Identifikasi Status Hara Pada LahanS awah Terasering di Kecamatan Onan Runggu Kabupaten Samosir
43
Lampiran 1. Data Kuisioner
Pemupukan
No
Kode
Luas
Lahan
(ha)
Tunggal
K
urea
(kg/ha)
Za
(kg/ha)
TSP
(kg/ha)
Majemuk
NPK
phonska
mutiara
(kg/ha)
(kg/ha)
250
Produksi
(ton/ha)
Varietas
Irigasi
Lahan
1
TA1
0,08
20
250
5,50
Lokal
tradisional
2
TA2
0,04
27
250
5,50
Lokal
tradisional
63
5,50
Lokal
tradisional
3
TA3
0,08
25
63
63
4
TA4
0,24
18
42
42
42
3,67
Lokal
tradisional
5,50
Lokal
tradisional
5
TA5
0,08
16
250
375
6
TT1
0,08
22
250
250
6,19
Lokal
tradisional
7
TT2
0,08
19
250
125
6,19
Lokal
tradisional
63
5,50
Lokal
tradisional
8
TT3
0,16
20
63
63
63
63
4,81
Lokal
tradisional
9
TT4
0,16
13
10
TT5
0,04
20
250
250
625
6,88
Lokal
tradisional
11
TB1
0,08
29
250
250
6,19
Lokal
tradisional
12
TB2
0,08
18
125
125
6,88
Lokal
tradisional
13
TB3
0,16
18
63
63
63
6,53
Lokal
tradisional
75
4,40
Lokal
tradisional
14
TB4
0,20
12
75
75
15
TB5
0,08
16
250
250
250
6,19
Lokal
tradisional
16
NT1
0,12
4
167
167
4,58
Lokal
tradisional
17
NT2
0,40
1
250
250
250
4,13
Ciherang tradisional
375
6,88
Ciherang
permanen
18
NT3
0,16
1
375
19
NT4
0,16
2
125
375
2,75
Lokal
tradisional
208
4,17
Lokal
tradisional
20
NT5
0,06
4
208
Keterangan : TA (terasering atas), TT (terasering tengah), TB (terasering bawah), NT (non terasering), K (kemiringan)
Rotasi
Tanam
pengelolaan sisa
produksi
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
disebar / dibakar
dibiarkan / dibakar
dibiarkan / dibakar
disebar / dibakar
Disebar
Dibiarkan
dibiarkan / dibakar
dibiarkan / dibakar
dibiarkan
dibiarkan
disebar
dibiarkan / dibakar
Dibiarkan
Dibiarkan / dibakar
Dibiarkan / dibakar
dibenam / dibakar
Dibakar
Dibenam
Dibakar
Dibakar
Universitas Sumatera Utara
43
Lampiran 2. Luaran Analisis data SPSS untik Uji t Terasering Atas vs Non Terasering
Levene's Test for
Equality of
Variances
F
Produksi
C
Liat
Debu
Pasir
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
2,36
4,68
3,18
0,05
0,01
Sig.
0,16
0,06
0,11
0,83
0,94
t-test for Equality of Means
t
Df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
95% Confidence
Interval of the
Difference
Lower
Upper
0,51
8,00
0,62
0,30
0,58
(1,05)
1,64
0,51
4,73
0,63
0,30
0,58
(1,23)
1,83
(1,55)
8,00
0,16
(0,34)
0,22
(0,86)
0,17
(1,55)
4,31
0,19
(0,34)
0,22
(0,94)
0,26
1,83
8,00
0,10
8,80
4,80
(2,27)
19,87
1,83
4,38
0,13
8,80
4,80
(4,09)
21,69
-
8,00
1,00
-
4,78
(11,03)
11,03
-
8,00
1,00
-
4,78
(11,03)
11,03
(1,34)
8,00
0,22
(8,80)
6,56
(23,93)
6,33
(1,34)
7,51
0,22
(8,80)
6,56
(24,10)
6,50
Universitas Sumatera Utara
44
Levene's Test for
Equality of
Variances
Levene's Test for Equality of Variances
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
0,78
0,64
0,19
0,02
0,04
Sig.
0,40
0,45
0,68
0,89
0,84
t
Df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
Lower
1,44
8,00
0,19
0,09
0,06
(0,05)
0,23
1,44
7,01
0,19
0,09
0,06
(0,06)
0,23
(1,34)
8,00
0,22
(0,01)
0,00
(0,02)
0,00
(1,34)
6,90
0,22
(0,01)
0,00
(0,02)
0,00
0,50
8,00
0,63
1,78
3,53
(6,37)
9,93
0,50
7,38
0,63
1,78
3,53
(6,49)
10,05
3,63
8,00
0,01
396,75
109,16
145,02
648,48
3,63
7,99
0,01
396,75
109,16
144,97
648,52
1,05
8,00
0,32
5,24
4,99
(6,27)
16,75
1,05
7,94
0,32
5,24
4,99
(6,28)
16,77
Universitas Sumatera Utara
45
Lampiran 3. Luaran Analisis data SPSS untik Uji t Terasering Tengah vs Non Terasering
Levene's Test for
Equality of
Variances
F
Produksi
C
Liat
Debu
Pasir
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
4,06
7,63
1,77
0,38
0,15
Sig.
0,08
0,02
0,22
0,55
0,71
t-test for Equality of Means
t
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
95% Confidence
Interval of the
Difference
Lower
Upper
0,74
8,00
0,48
0,36
0,48
(0,75)
1,47
0,74
5,11
0,49
0,36
0,48
(0,87)
1,59
(0,16)
8,00
0,88
(0,03)
0,16
(0,40)
0,35
(0,16)
4,60
0,88
(0,03)
0,16
(0,45)
0,40
1,84
8,00
0,10
9,20
5,00
(2,34)
20,74
1,84
5,08
0,12
9,20
5,00
(3,60)
22,00
(0,47)
8,00
0,65
(3,20)
6,80
(18,88)
12,48
(0,47)
6,37
0,65
(3,20)
6,80
(19,61)
13,21
(0,76)
8,00
0,47
(6,00)
7,85
(24,11)
12,11
(0,76)
7,88
0,47
(6,00)
7,85
(24,16)
12,16
Universitas Sumatera Utara
46
Levene's Test for
Equality of
Variances
Levene's Test for Equality of Variances
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
0,09
2,32
2,62
1,83
0,12
Sig.
0,77
0,17
0,14
0,21
0,74
t
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
Lower
3,95
8,00
0,00
0,18
0,05
0,07
0,29
3,95
7,89
0,00
0,18
0,05
0,07
0,29
(0,19)
8,00
0,86
(0,00)
0,01
(0,03)
0,02
(0,19)
5,10
0,86
(0,00)
0,01
(0,03)
0,03
0,67
8,00
0,52
3,04
4,51
(7,37)
13,45
0,67
6,06
0,53
3,04
4,51
(7,98)
14,06
2,49
8,00
0,04
343,03
137,72
25,44
660,62
2,49
6,93
0,04
343,03
137,72
16,71
669,35
1,22
8,00
0,26
6,96
5,71
(6,22)
20,13
1,22
7,77
0,26
6,96
5,71
(6,29)
20,20
Universitas Sumatera Utara
47
Lampiran 4. Luaran Analisis data SPSS untik Uji t Terasering bawah vs Non Terasering
Levene's Test for
Equality of Variances
t-test for Equality of Means
F
Equal variances
Produksi assumed
Equal variances
not assumed
C
Equal variances
assumed
Equal variances
not assumed
Liat
Equal variances
assumed
Equal variances
not assumed
Debu
Equal variances
assumed
Equal variances
not assumed
Pasir
Equal variances
assumed
Equal variances
not assumed
2,03
1,79
0,26
0,08
0,03
Sig.
0,19
0,22
0,63
0,79
0,87
t
df
Sig. (2tailed)
95% Confidence
Interval of the
Difference
Lower
Upper
Mean
Std. Error
Difference Difference
2,04
8,00
0,08
1,41
0,69
(0,18)
3,01
2,04
4,51
0,10
1,41
0,69
(0,42)
3,25
(1,35)
8,00
0,21
(0,14)
0,10
(0,37)
0,10
(1,35)
5,68
0,23
(0,14)
0,10
(0,39)
0,11
1,80
8,00
0,11
10,00
5,55
(2,80)
22,80
1,80
6,76
0,12
10,00
5,55
(3,22)
23,22
1,74
8,00
0,12
9,60
5,52
(3,13)
22,33
1,74
7,53
0,12
9,60
5,52
(3,27)
22,47
(2,64)
8,00
0,03
(19,60)
7,44 (36,75)
(2,45)
(2,64)
8,00
0,03
(19,60)
7,44 (36,75)
(2,45)
Universitas Sumatera Utara
48
Levene's Test for
Equality of Variances
t-test for Equality of Means
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
3,04
9,17
1,99
15,41
1,49
Sig.
0,12
0,02
0,20
0,00
0,26
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
t
df
Upper
(0,10)
8,00
0,92
(0,01)
0,14
(0,33)
0,30
(0,10)
4,52
0,92
(0,01)
0,14
(0,38)
0,35
(3,18)
8,00
0,01
(0,05)
0,02
(0,09)
(0,01)
(3,18)
4,41
0,03
(0,05)
0,02
(0,10)
(0,01)
1,41
8,00
0,20
5,87
4,17
(3,74)
15,49
1,41
6,45
0,21
5,87
4,17
(4,16)
15,91
3,60
8,00
0,01
1.154,86
321,20
414,17 1.895,56
3,60
4,47
0,02
1.154,86
321,20
298,94 2.010,79
0,40
8,00
0,70
2,80
6,93 (13,18)
18,79
0,40
6,72
0,70
2,80
6,93 (13,73)
19,34
Universitas Sumatera Utara
49
Lampiran 5. Luaran Analisis data SPSS untik Uji t Terasering atas vs Terasering tengah
Levene's Test for
Equality of Variances
F
Produksi
C
Liat
Debu
Pasir
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
0,05
0,24
1,65
0,50
0,33
Sig.
0,84
0,64
0,24
0,50
0,58
t-test for Equality of Means
t
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
95% Confidence
Interval of the
Difference
Lower
Upper
0,08
8,00
0,94
0,06
0,72
(1,59)
1,71
0,08
7,65
0,94
0,06
0,72
(1,61)
1,73
1,19
8,00
0,27
0,32
0,27
(0,30)
0,94
1,19
7,24
0,27
0,32
0,27
(0,31)
0,95
0,20
8,00
0,85
0,40
2,02
(4,26)
5,06
0,20
6,45
0,85
0,40
2,02
(4,46)
5,26
(0,47)
8,00
0,65
(3,20)
6,80
(18,88)
12,48
(0,47)
6,37
0,65
(3,20)
6,80
(19,61)
13,21
0,39
8,00
0,70
2,80
7,12
(13,61)
19,21
0,39
7,05
0,71
2,80
7,12
(14,01)
19,61
Universitas Sumatera Utara
50
Levene's Test for
Equality of Variances
t-test for Equality of Means
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
1,32
3,46
1,05
1,67
0,29
Sig.
0,28
0,10
0,34
0,23
0,60
t
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
Upper
1,56
8,00
0,16
0,09
0,06
(0,04)
0,23
1,56
6,53
0,17
0,09
0,06
(0,05)
0,23
0,39
8,00
0,71
0,00
0,01
(0,02)
0,03
0,39
4,48
0,72
0,00
0,01
(0,02)
0,03
0,26
8,00
0,80
1,26
4,90
(10,04)
12,56
0,26
7,22
0,80
1,26
4,90
(10,25)
12,77
(0,39)
8,00
0,71
(53,72)
139,16
(374,61)
267,18
(0,39)
7,06
0,71
(53,72)
139,16
(382,17)
274,74
0,31
8,00
0,76
1,71
5,52
(11,02)
14,45
0,31
7,52
0,76
1,71
5,52
(11,17)
14,60
Universitas Sumatera Utara
51
Lampiran 6. Luaran Analisis data SPSS untik Uji t Terasering atas vs Terasering bawah
Levene's Test for
Equality of Variances
t-test for Equality of Means
F
Produksi
C
Liat
Debu
Pasir
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
0,04
2,07
12,03
0,17
0,09
Sig.
0,85
0,19
0,01
0,69
0,77
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
95% Confidence
Interval of the
Difference
Lower
Upper
t
df
1,28
8,00
0,24
1,11
0,87
(0,90)
3,13
1,28
7,75
0,24
1,11
0,87
(0,91)
3,14
0,88
8,00
0,40
0,21
0,24
(0,34)
0,75
0,88
5,36
0,42
0,21
0,24
(0,39)
0,80
0,38
8,00
0,71
1,20
3,14
(6,03)
8,43
0,38
4,93
0,72
1,20
3,14
(6,90)
9,30
1,74
8,00
0,12
9,60
5,52
(3,13)
22,33
1,74
7,53
0,12
9,60
5,52
(3,27)
22,47
(1,62)
8,00
0,14
(10,80)
6,65
(26,14)
4,54
(1,62)
7,43
0,15
(10,80)
6,65
(26,34)
4,74
Universitas Sumatera Utara
52
Levene's Test for
Equality of Variances
t-test for Equality of Means
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
1,86
11,14
0,64
14,87
2,01
Sig.
0,21
0,01
0,45
0,00
0,19
t
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
Upper
(0,72)
8,00
0,49
(0,10)
0,14
(0,43)
0,23
(0,72)
5,14
0,50
(0,10)
0,14
(0,46)
0,26
(2,87)
8,00
0,02
(0,05)
0,02
(0,09)
(0,01)
(2,87)
4,18
0,04
(0,05)
0,02
(0,09)
(0,00)
0,89
8,00
0,40
4,09
4,58
(6,48)
14,67
0,89
7,58
0,40
4,09
4,58
(6,58)
14,77
2,36
8,00
0,05
758,12
321,82
16,00
1.500,24
2,36
4,50
0,07
758,12
321,82
(97,34)
1.613,58
(0,36)
8,00
0,73
(2,44)
6,78
(18,07)
13,19
(0,36)
6,38
0,73
(2,44)
6,78
(18,79)
13,91
Universitas Sumatera Utara
53
Lampiran 7. Luaran Analisis data SPSS untik Uji t Terasering tengah vs Terasering bawah
Levene's Test for
Equality of Variances
t-test for Equality of Means
F
Produksi
C
Liat
Debu
Pasir
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
0,15
2,07
3,88
0,14
0,05
Sig.
0,70
0,19
0,08
0,72
0,82
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
95% Confidence
Interval of the
Difference
Lower
Upper
t
df
1,31
8,00
0,23
1,05
0,81
(0,81)
2,92
1,31
7,00
0,23
1,05
0,81
(0,85)
2,96
(0,61)
8,00
0,56
(0,11)
0,18
(0,53)
0,31
(0,61)
6,46
0,56
(0,11)
0,18
(0,54)
0,32
0,23
8,00
0,82
0,80
3,44
(7,13)
8,73
0,23
6,47
0,82
0,80
3,44
(7,47)
9,07
1,74
8,00
0,12
12,80
7,34
(4,12)
29,72
1,74
7,37
0,12
12,80
7,34
(4,38)
29,98
(1,72)
8,00
0,12
(13,60)
7,93
(31,89)
4,69
(1,72)
7,92
0,13
(13,60)
7,93
(31,92)
4,72
Universitas Sumatera Utara
54
Levene's Test for
Equality of Variances
t-test for Equality of Means
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
3,42
2,03
0,07
9,94
0,70
Sig.
0,10
0,19
0,79
0,01
0,43
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
(1,42)
8,00
0,19
(0,19)
0,14
(0,51)
0,12
(1,42)
4,41
0,22
(0,19)
0,14
(0,56)
0,17
(2,69)
8,00
0,03
(0,05)
0,02
(0,10)
(0,01)
(2,69)
6,58
0,03
(0,05)
0,02
(0,10)
(0,01)
0,53
8,00
0,61
2,83
5,38
(9,57)
15,23
0,53
7,92
0,61
2,83
5,38
(9,59)
15,26
2,44
8,00
0,04
811,83
332,60
44,87
1.578,80
2,44
5,07
0,06
811,83
332,60
(39,84)
1.663,50
(0,57)
8,00
0,59
(4,15)
7,33
(21,05)
12,74
(0,57)
7,39
0,59
(4,15)
7,33
(21,29)
12,98
Universitas Sumatera Utara
55
Lampiran 8. Kriteria pH,C – Organik, N - Total, P – HCl, K – HCl
Sangat
Rendah
Rendah
Sedang
Tinggi
Sangat
Tinggi
< 4.5
4.5 – 5.5
5.5 – 6.5
1.6 – 7.5
7.6 – 8.5
Sangat
Masam
Masam
Netral
Agak
Alkalis
COrganik
< 1.00
1.00 –
2.00
N - Total
< 0.10
0.1 – 0.2
< 10
< 10
Sifat
Tanah
pHH2O
P–
Potensial
KPotensial
Agak
Masam
2.01 –
3.00
0.21 –
0.50
3.01 –
5.00
0.51 –
0.75
10 – 20
21 – 40
41 – 60
> 60
10 – 20
21 – 40
41 – 60
> 60
Satuan
Ratio 1:1
> 5.00
%
> 0.75
%
Mg.Kg-1
P2O5
Mg.Kg-1
P2O5
Sumber : LPT , 1983
Lampiran 9. Kriteria Zn – HCl
sifat tanah
Kriteria
Rendah
1
satuan
ppm
Universitas Sumatera Utara
56
Lampiran 10. Peta sebaran pengambilan titik sampel
Universitas Sumatera Utara
57
Lampiran 11. Foto Kegiatan Selama Penelitian
gambar 2. Lokasi pengambilan sampel
tanah
gambar 3. Pengambilan Sampel
Tanah
gambar 4. Kegiatan wawancara dengan petani
Universitas Sumatera Utara
Lampiran 1. Data Kuisioner
Pemupukan
No
Kode
Luas
Lahan
(ha)
Tunggal
K
urea
(kg/ha)
Za
(kg/ha)
TSP
(kg/ha)
Majemuk
NPK
phonska
mutiara
(kg/ha)
(kg/ha)
250
Produksi
(ton/ha)
Varietas
Irigasi
Lahan
1
TA1
0,08
20
250
5,50
Lokal
tradisional
2
TA2
0,04
27
250
5,50
Lokal
tradisional
63
5,50
Lokal
tradisional
3
TA3
0,08
25
63
63
4
TA4
0,24
18
42
42
42
3,67
Lokal
tradisional
5,50
Lokal
tradisional
5
TA5
0,08
16
250
375
6
TT1
0,08
22
250
250
6,19
Lokal
tradisional
7
TT2
0,08
19
250
125
6,19
Lokal
tradisional
63
5,50
Lokal
tradisional
8
TT3
0,16
20
63
63
63
63
4,81
Lokal
tradisional
9
TT4
0,16
13
10
TT5
0,04
20
250
250
625
6,88
Lokal
tradisional
11
TB1
0,08
29
250
250
6,19
Lokal
tradisional
12
TB2
0,08
18
125
125
6,88
Lokal
tradisional
13
TB3
0,16
18
63
63
63
6,53
Lokal
tradisional
75
4,40
Lokal
tradisional
14
TB4
0,20
12
75
75
15
TB5
0,08
16
250
250
250
6,19
Lokal
tradisional
16
NT1
0,12
4
167
167
4,58
Lokal
tradisional
17
NT2
0,40
1
250
250
250
4,13
Ciherang tradisional
375
6,88
Ciherang
permanen
18
NT3
0,16
1
375
19
NT4
0,16
2
125
375
2,75
Lokal
tradisional
208
4,17
Lokal
tradisional
20
NT5
0,06
4
208
Keterangan : TA (terasering atas), TT (terasering tengah), TB (terasering bawah), NT (non terasering), K (kemiringan)
Rotasi
Tanam
pengelolaan sisa
produksi
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
disebar / dibakar
dibiarkan / dibakar
dibiarkan / dibakar
disebar / dibakar
Disebar
Dibiarkan
dibiarkan / dibakar
dibiarkan / dibakar
dibiarkan
dibiarkan
disebar
dibiarkan / dibakar
Dibiarkan
Dibiarkan / dibakar
Dibiarkan / dibakar
dibenam / dibakar
Dibakar
Dibenam
Dibakar
Dibakar
Universitas Sumatera Utara
43
Lampiran 2. Luaran Analisis data SPSS untik Uji t Terasering Atas vs Non Terasering
Levene's Test for
Equality of
Variances
F
Produksi
C
Liat
Debu
Pasir
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
2,36
4,68
3,18
0,05
0,01
Sig.
0,16
0,06
0,11
0,83
0,94
t-test for Equality of Means
t
Df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
95% Confidence
Interval of the
Difference
Lower
Upper
0,51
8,00
0,62
0,30
0,58
(1,05)
1,64
0,51
4,73
0,63
0,30
0,58
(1,23)
1,83
(1,55)
8,00
0,16
(0,34)
0,22
(0,86)
0,17
(1,55)
4,31
0,19
(0,34)
0,22
(0,94)
0,26
1,83
8,00
0,10
8,80
4,80
(2,27)
19,87
1,83
4,38
0,13
8,80
4,80
(4,09)
21,69
-
8,00
1,00
-
4,78
(11,03)
11,03
-
8,00
1,00
-
4,78
(11,03)
11,03
(1,34)
8,00
0,22
(8,80)
6,56
(23,93)
6,33
(1,34)
7,51
0,22
(8,80)
6,56
(24,10)
6,50
Universitas Sumatera Utara
44
Levene's Test for
Equality of
Variances
Levene's Test for Equality of Variances
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
Equal variances
assumed
Equal variances not
assumed
0,78
0,64
0,19
0,02
0,04
Sig.
0,40
0,45
0,68
0,89
0,84
t
Df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
Lower
1,44
8,00
0,19
0,09
0,06
(0,05)
0,23
1,44
7,01
0,19
0,09
0,06
(0,06)
0,23
(1,34)
8,00
0,22
(0,01)
0,00
(0,02)
0,00
(1,34)
6,90
0,22
(0,01)
0,00
(0,02)
0,00
0,50
8,00
0,63
1,78
3,53
(6,37)
9,93
0,50
7,38
0,63
1,78
3,53
(6,49)
10,05
3,63
8,00
0,01
396,75
109,16
145,02
648,48
3,63
7,99
0,01
396,75
109,16
144,97
648,52
1,05
8,00
0,32
5,24
4,99
(6,27)
16,75
1,05
7,94
0,32
5,24
4,99
(6,28)
16,77
Universitas Sumatera Utara
45
Lampiran 3. Luaran Analisis data SPSS untik Uji t Terasering Tengah vs Non Terasering
Levene's Test for
Equality of
Variances
F
Produksi
C
Liat
Debu
Pasir
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
4,06
7,63
1,77
0,38
0,15
Sig.
0,08
0,02
0,22
0,55
0,71
t-test for Equality of Means
t
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
95% Confidence
Interval of the
Difference
Lower
Upper
0,74
8,00
0,48
0,36
0,48
(0,75)
1,47
0,74
5,11
0,49
0,36
0,48
(0,87)
1,59
(0,16)
8,00
0,88
(0,03)
0,16
(0,40)
0,35
(0,16)
4,60
0,88
(0,03)
0,16
(0,45)
0,40
1,84
8,00
0,10
9,20
5,00
(2,34)
20,74
1,84
5,08
0,12
9,20
5,00
(3,60)
22,00
(0,47)
8,00
0,65
(3,20)
6,80
(18,88)
12,48
(0,47)
6,37
0,65
(3,20)
6,80
(19,61)
13,21
(0,76)
8,00
0,47
(6,00)
7,85
(24,11)
12,11
(0,76)
7,88
0,47
(6,00)
7,85
(24,16)
12,16
Universitas Sumatera Utara
46
Levene's Test for
Equality of
Variances
Levene's Test for Equality of Variances
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
0,09
2,32
2,62
1,83
0,12
Sig.
0,77
0,17
0,14
0,21
0,74
t
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
Lower
3,95
8,00
0,00
0,18
0,05
0,07
0,29
3,95
7,89
0,00
0,18
0,05
0,07
0,29
(0,19)
8,00
0,86
(0,00)
0,01
(0,03)
0,02
(0,19)
5,10
0,86
(0,00)
0,01
(0,03)
0,03
0,67
8,00
0,52
3,04
4,51
(7,37)
13,45
0,67
6,06
0,53
3,04
4,51
(7,98)
14,06
2,49
8,00
0,04
343,03
137,72
25,44
660,62
2,49
6,93
0,04
343,03
137,72
16,71
669,35
1,22
8,00
0,26
6,96
5,71
(6,22)
20,13
1,22
7,77
0,26
6,96
5,71
(6,29)
20,20
Universitas Sumatera Utara
47
Lampiran 4. Luaran Analisis data SPSS untik Uji t Terasering bawah vs Non Terasering
Levene's Test for
Equality of Variances
t-test for Equality of Means
F
Equal variances
Produksi assumed
Equal variances
not assumed
C
Equal variances
assumed
Equal variances
not assumed
Liat
Equal variances
assumed
Equal variances
not assumed
Debu
Equal variances
assumed
Equal variances
not assumed
Pasir
Equal variances
assumed
Equal variances
not assumed
2,03
1,79
0,26
0,08
0,03
Sig.
0,19
0,22
0,63
0,79
0,87
t
df
Sig. (2tailed)
95% Confidence
Interval of the
Difference
Lower
Upper
Mean
Std. Error
Difference Difference
2,04
8,00
0,08
1,41
0,69
(0,18)
3,01
2,04
4,51
0,10
1,41
0,69
(0,42)
3,25
(1,35)
8,00
0,21
(0,14)
0,10
(0,37)
0,10
(1,35)
5,68
0,23
(0,14)
0,10
(0,39)
0,11
1,80
8,00
0,11
10,00
5,55
(2,80)
22,80
1,80
6,76
0,12
10,00
5,55
(3,22)
23,22
1,74
8,00
0,12
9,60
5,52
(3,13)
22,33
1,74
7,53
0,12
9,60
5,52
(3,27)
22,47
(2,64)
8,00
0,03
(19,60)
7,44 (36,75)
(2,45)
(2,64)
8,00
0,03
(19,60)
7,44 (36,75)
(2,45)
Universitas Sumatera Utara
48
Levene's Test for
Equality of Variances
t-test for Equality of Means
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
3,04
9,17
1,99
15,41
1,49
Sig.
0,12
0,02
0,20
0,00
0,26
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
t
df
Upper
(0,10)
8,00
0,92
(0,01)
0,14
(0,33)
0,30
(0,10)
4,52
0,92
(0,01)
0,14
(0,38)
0,35
(3,18)
8,00
0,01
(0,05)
0,02
(0,09)
(0,01)
(3,18)
4,41
0,03
(0,05)
0,02
(0,10)
(0,01)
1,41
8,00
0,20
5,87
4,17
(3,74)
15,49
1,41
6,45
0,21
5,87
4,17
(4,16)
15,91
3,60
8,00
0,01
1.154,86
321,20
414,17 1.895,56
3,60
4,47
0,02
1.154,86
321,20
298,94 2.010,79
0,40
8,00
0,70
2,80
6,93 (13,18)
18,79
0,40
6,72
0,70
2,80
6,93 (13,73)
19,34
Universitas Sumatera Utara
49
Lampiran 5. Luaran Analisis data SPSS untik Uji t Terasering atas vs Terasering tengah
Levene's Test for
Equality of Variances
F
Produksi
C
Liat
Debu
Pasir
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
0,05
0,24
1,65
0,50
0,33
Sig.
0,84
0,64
0,24
0,50
0,58
t-test for Equality of Means
t
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
95% Confidence
Interval of the
Difference
Lower
Upper
0,08
8,00
0,94
0,06
0,72
(1,59)
1,71
0,08
7,65
0,94
0,06
0,72
(1,61)
1,73
1,19
8,00
0,27
0,32
0,27
(0,30)
0,94
1,19
7,24
0,27
0,32
0,27
(0,31)
0,95
0,20
8,00
0,85
0,40
2,02
(4,26)
5,06
0,20
6,45
0,85
0,40
2,02
(4,46)
5,26
(0,47)
8,00
0,65
(3,20)
6,80
(18,88)
12,48
(0,47)
6,37
0,65
(3,20)
6,80
(19,61)
13,21
0,39
8,00
0,70
2,80
7,12
(13,61)
19,21
0,39
7,05
0,71
2,80
7,12
(14,01)
19,61
Universitas Sumatera Utara
50
Levene's Test for
Equality of Variances
t-test for Equality of Means
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
1,32
3,46
1,05
1,67
0,29
Sig.
0,28
0,10
0,34
0,23
0,60
t
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
Upper
1,56
8,00
0,16
0,09
0,06
(0,04)
0,23
1,56
6,53
0,17
0,09
0,06
(0,05)
0,23
0,39
8,00
0,71
0,00
0,01
(0,02)
0,03
0,39
4,48
0,72
0,00
0,01
(0,02)
0,03
0,26
8,00
0,80
1,26
4,90
(10,04)
12,56
0,26
7,22
0,80
1,26
4,90
(10,25)
12,77
(0,39)
8,00
0,71
(53,72)
139,16
(374,61)
267,18
(0,39)
7,06
0,71
(53,72)
139,16
(382,17)
274,74
0,31
8,00
0,76
1,71
5,52
(11,02)
14,45
0,31
7,52
0,76
1,71
5,52
(11,17)
14,60
Universitas Sumatera Utara
51
Lampiran 6. Luaran Analisis data SPSS untik Uji t Terasering atas vs Terasering bawah
Levene's Test for
Equality of Variances
t-test for Equality of Means
F
Produksi
C
Liat
Debu
Pasir
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
0,04
2,07
12,03
0,17
0,09
Sig.
0,85
0,19
0,01
0,69
0,77
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
95% Confidence
Interval of the
Difference
Lower
Upper
t
df
1,28
8,00
0,24
1,11
0,87
(0,90)
3,13
1,28
7,75
0,24
1,11
0,87
(0,91)
3,14
0,88
8,00
0,40
0,21
0,24
(0,34)
0,75
0,88
5,36
0,42
0,21
0,24
(0,39)
0,80
0,38
8,00
0,71
1,20
3,14
(6,03)
8,43
0,38
4,93
0,72
1,20
3,14
(6,90)
9,30
1,74
8,00
0,12
9,60
5,52
(3,13)
22,33
1,74
7,53
0,12
9,60
5,52
(3,27)
22,47
(1,62)
8,00
0,14
(10,80)
6,65
(26,14)
4,54
(1,62)
7,43
0,15
(10,80)
6,65
(26,34)
4,74
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Levene's Test for
Equality of Variances
t-test for Equality of Means
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
1,86
11,14
0,64
14,87
2,01
Sig.
0,21
0,01
0,45
0,00
0,19
t
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
Upper
(0,72)
8,00
0,49
(0,10)
0,14
(0,43)
0,23
(0,72)
5,14
0,50
(0,10)
0,14
(0,46)
0,26
(2,87)
8,00
0,02
(0,05)
0,02
(0,09)
(0,01)
(2,87)
4,18
0,04
(0,05)
0,02
(0,09)
(0,00)
0,89
8,00
0,40
4,09
4,58
(6,48)
14,67
0,89
7,58
0,40
4,09
4,58
(6,58)
14,77
2,36
8,00
0,05
758,12
321,82
16,00
1.500,24
2,36
4,50
0,07
758,12
321,82
(97,34)
1.613,58
(0,36)
8,00
0,73
(2,44)
6,78
(18,07)
13,19
(0,36)
6,38
0,73
(2,44)
6,78
(18,79)
13,91
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Lampiran 7. Luaran Analisis data SPSS untik Uji t Terasering tengah vs Terasering bawah
Levene's Test for
Equality of Variances
t-test for Equality of Means
F
Produksi
C
Liat
Debu
Pasir
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
0,15
2,07
3,88
0,14
0,05
Sig.
0,70
0,19
0,08
0,72
0,82
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
95% Confidence
Interval of the
Difference
Lower
Upper
t
df
1,31
8,00
0,23
1,05
0,81
(0,81)
2,92
1,31
7,00
0,23
1,05
0,81
(0,85)
2,96
(0,61)
8,00
0,56
(0,11)
0,18
(0,53)
0,31
(0,61)
6,46
0,56
(0,11)
0,18
(0,54)
0,32
0,23
8,00
0,82
0,80
3,44
(7,13)
8,73
0,23
6,47
0,82
0,80
3,44
(7,47)
9,07
1,74
8,00
0,12
12,80
7,34
(4,12)
29,72
1,74
7,37
0,12
12,80
7,34
(4,38)
29,98
(1,72)
8,00
0,12
(13,60)
7,93
(31,89)
4,69
(1,72)
7,92
0,13
(13,60)
7,93
(31,92)
4,72
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Levene's Test for
Equality of Variances
t-test for Equality of Means
95% Confidence
Interval of the
Difference
F
pH
N
P
K
Zn
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
3,42
2,03
0,07
9,94
0,70
Sig.
0,10
0,19
0,79
0,01
0,43
df
Sig. (2tailed)
Mean
Difference
Std. Error
Difference
Lower
(1,42)
8,00
0,19
(0,19)
0,14
(0,51)
0,12
(1,42)
4,41
0,22
(0,19)
0,14
(0,56)
0,17
(2,69)
8,00
0,03
(0,05)
0,02
(0,10)
(0,01)
(2,69)
6,58
0,03
(0,05)
0,02
(0,10)
(0,01)
0,53
8,00
0,61
2,83
5,38
(9,57)
15,23
0,53
7,92
0,61
2,83
5,38
(9,59)
15,26
2,44
8,00
0,04
811,83
332,60
44,87
1.578,80
2,44
5,07
0,06
811,83
332,60
(39,84)
1.663,50
(0,57)
8,00
0,59
(4,15)
7,33
(21,05)
12,74
(0,57)
7,39
0,59
(4,15)
7,33
(21,29)
12,98
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Lampiran 8. Kriteria pH,C – Organik, N - Total, P – HCl, K – HCl
Sangat
Rendah
Rendah
Sedang
Tinggi
Sangat
Tinggi
< 4.5
4.5 – 5.5
5.5 – 6.5
1.6 – 7.5
7.6 – 8.5
Sangat
Masam
Masam
Netral
Agak
Alkalis
COrganik
< 1.00
1.00 –
2.00
N - Total
< 0.10
0.1 – 0.2
< 10
< 10
Sifat
Tanah
pHH2O
P–
Potensial
KPotensial
Agak
Masam
2.01 –
3.00
0.21 –
0.50
3.01 –
5.00
0.51 –
0.75
10 – 20
21 – 40
41 – 60
> 60
10 – 20
21 – 40
41 – 60
> 60
Satuan
Ratio 1:1
> 5.00
%
> 0.75
%
Mg.Kg-1
P2O5
Mg.Kg-1
P2O5
Sumber : LPT , 1983
Lampiran 9. Kriteria Zn – HCl
sifat tanah
Kriteria
Rendah
1
satuan
ppm
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Lampiran 10. Peta sebaran pengambilan titik sampel
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Lampiran 11. Foto Kegiatan Selama Penelitian
gambar 2. Lokasi pengambilan sampel
tanah
gambar 3. Pengambilan Sampel
Tanah
gambar 4. Kegiatan wawancara dengan petani
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