Analisa Kesesuaian Lahan Padi Sawah Di Kota Langsa
Lampiran 1. Klasifikasi kesesuaian lahan padi
Persyaratan
penggunaan/Karakteristik
Lahan
Kelas kesesuaian lahan
S1
Temperatur (tc)
Satuan Lahan Pengamatan
S2
S3
N
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
22 - 24
18 - 22
< 18
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
29 - 32
32 – 35
> 35
500 - 650
650 - 750
> 750
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
125 - 175
100 - 125
< 100
500 - 650
650 - 750
> 750
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
125 - 175
100 - 125
< 100
500 - 650
650 - 750
> 750
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
125 - 175
100 - 125
< 100
300 - 500
500 - 600
S2
S2
S1
S1
S1
S2
S1
S2
S2
S1
S2
S2
S2
S1
S1
S1
S1
S1
S1
S2
S2
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
N
S1
S1
S1
S1
S1
S1
24 – 29
Temperatur rerata (°C)
Ketersediaan air (wa)
Curah hujan (mm)
bulan ke-1
175-500
Curah hujan (mm)
bulan ke-2
175-500
Curah hujan (mm)
bulan ke-3
175-500
Curah hujan (mm)
bulan ke-4
50-300
Kelembaban (%)
> 600
30 - 50
< 30
33 – 90
30 - 33
< 30 > 90
Terhambat,
Agak
cepat,
sedang,
baik
Halus,
agak
halus,
sedang
Sangat
Media perakaran (rc)
Drainase
Tekstur
Agak
terhambat
Halus,
agak halus,
sedang
Cepat
Terhambat
Agak
kasar
Kasar
59
Universitas Sumatera Utara
Bahan kasar (%)
35
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
Kedalaman tanah (cm)
> 50
40 - 50
25 - 40
< 25
S3
S2
S2
S2
S2
S2
S1
S3
S1
S2
S2
S2
S2
S2
S2
S1
S2
S2
S2
S2
KTK liat (cmol)
> 16
≤ 16
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S2
S1
S1
S1
S1
S1
S2
S1
S1
S1
Kejenuhan basa (%)
> 50
35 - 50
< 35
5,0 - 5,5
< 5,0
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
8,2 - 8,5
> 8,5
> 1,5
0,8 - 1,5
< 0,8
S2
S2
S3
S1
S1
S3
S1
S2
S3
S3
S2
S1
S2
S1
S2
S2
S2
S1
S1
S2
6
N
N
N
N
S3
S3
N
N
S2
S3
S2
N
N
N
N
N
N
N
S2
N
< 20
20 - 30
30 - 40
> 40
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
> 100
75 100
40 - 75
< 40
8 - 25
> 25
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
Sangat
rendah
Rendah
sedang
Berat
Sangat
S1 S1 S1 S1 S1 S1 S1 S1 S1
berat
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
F0-F12
F13,
F23,
> F14
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
F21, F22
F41, F42
Retensi hara (nr)
pH H2O
C-organik (%)
5,5 – 8,2
Toksisitas (xc)
Salinitas (dS/m)
Sodisitas (xn)
Alkalinitas/ESP (%)
Bahaya sulfidik (xs)
Kedalaman
sulfidik(cm)
Bahaya erosi (eh)
Lereng (%)
Bahaya erosi
Bahaya banjir (fh)
Genangan
F14, F24,
F34, F43
S1
S1
S1
S1
S1
S1
S1
S1
S1
> F43
60
Universitas Sumatera Utara
Penyiapan lahan (lp)
Batuan di permukaan
(%)
Singkapan batuan
(%)
40
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
25
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
61
Universitas Sumatera Utara
Lampiran 2. Karakteristik Lahan di lokasi penelitian
No
Nama Desa
Tekstur
1
Desa Matang Seulimeng
S1 Halus
2
Desa Lhok Banie
S1 Halus
3
Desa Simpang Lhee
S1 Halus
4
Matang Cengai 2
S1 Halus
5
Matang Cengai 7
S1 Halus
6
Alur Merbau 3
S1 Halus
7
Matang Cengai 0
S1 Halus
8
Matang Cengai 1
S1 Halus
9
Sinebouk Antara 13
S1 Halus
10
Bukit Metuah 1
S1 Halus
11
Cinta Raja 11
S1 Agak Halus
12
Alur Pinang 9
S1 Sangat Halus
13
Cinta Raja 8
S1 Halus
14
Cinta Raja 10
N Kasar
15
Suka Rejo 12
S1 Halus
Drainase
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Bahan
Kasar(%)
Persyaratan
penggunaan/Karakteristik
Lahan
Kelas kesesuaian lahan
S1
Temperatur (tc)
Satuan Lahan Pengamatan
S2
S3
N
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
22 - 24
18 - 22
< 18
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
S2
29 - 32
32 – 35
> 35
500 - 650
650 - 750
> 750
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
125 - 175
100 - 125
< 100
500 - 650
650 - 750
> 750
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
125 - 175
100 - 125
< 100
500 - 650
650 - 750
> 750
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
125 - 175
100 - 125
< 100
300 - 500
500 - 600
S2
S2
S1
S1
S1
S2
S1
S2
S2
S1
S2
S2
S2
S1
S1
S1
S1
S1
S1
S2
S2
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
N
S1
S1
S1
S1
S1
S1
24 – 29
Temperatur rerata (°C)
Ketersediaan air (wa)
Curah hujan (mm)
bulan ke-1
175-500
Curah hujan (mm)
bulan ke-2
175-500
Curah hujan (mm)
bulan ke-3
175-500
Curah hujan (mm)
bulan ke-4
50-300
Kelembaban (%)
> 600
30 - 50
< 30
33 – 90
30 - 33
< 30 > 90
Terhambat,
Agak
cepat,
sedang,
baik
Halus,
agak
halus,
sedang
Sangat
Media perakaran (rc)
Drainase
Tekstur
Agak
terhambat
Halus,
agak halus,
sedang
Cepat
Terhambat
Agak
kasar
Kasar
59
Universitas Sumatera Utara
Bahan kasar (%)
35
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
Kedalaman tanah (cm)
> 50
40 - 50
25 - 40
< 25
S3
S2
S2
S2
S2
S2
S1
S3
S1
S2
S2
S2
S2
S2
S2
S1
S2
S2
S2
S2
KTK liat (cmol)
> 16
≤ 16
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S2
S1
S1
S1
S1
S1
S2
S1
S1
S1
Kejenuhan basa (%)
> 50
35 - 50
< 35
5,0 - 5,5
< 5,0
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
8,2 - 8,5
> 8,5
> 1,5
0,8 - 1,5
< 0,8
S2
S2
S3
S1
S1
S3
S1
S2
S3
S3
S2
S1
S2
S1
S2
S2
S2
S1
S1
S2
6
N
N
N
N
S3
S3
N
N
S2
S3
S2
N
N
N
N
N
N
N
S2
N
< 20
20 - 30
30 - 40
> 40
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
> 100
75 100
40 - 75
< 40
8 - 25
> 25
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
Sangat
rendah
Rendah
sedang
Berat
Sangat
S1 S1 S1 S1 S1 S1 S1 S1 S1
berat
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
F0-F12
F13,
F23,
> F14
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
F21, F22
F41, F42
Retensi hara (nr)
pH H2O
C-organik (%)
5,5 – 8,2
Toksisitas (xc)
Salinitas (dS/m)
Sodisitas (xn)
Alkalinitas/ESP (%)
Bahaya sulfidik (xs)
Kedalaman
sulfidik(cm)
Bahaya erosi (eh)
Lereng (%)
Bahaya erosi
Bahaya banjir (fh)
Genangan
F14, F24,
F34, F43
S1
S1
S1
S1
S1
S1
S1
S1
S1
> F43
60
Universitas Sumatera Utara
Penyiapan lahan (lp)
Batuan di permukaan
(%)
Singkapan batuan
(%)
40
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
25
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
61
Universitas Sumatera Utara
Lampiran 2. Karakteristik Lahan di lokasi penelitian
No
Nama Desa
Tekstur
1
Desa Matang Seulimeng
S1 Halus
2
Desa Lhok Banie
S1 Halus
3
Desa Simpang Lhee
S1 Halus
4
Matang Cengai 2
S1 Halus
5
Matang Cengai 7
S1 Halus
6
Alur Merbau 3
S1 Halus
7
Matang Cengai 0
S1 Halus
8
Matang Cengai 1
S1 Halus
9
Sinebouk Antara 13
S1 Halus
10
Bukit Metuah 1
S1 Halus
11
Cinta Raja 11
S1 Agak Halus
12
Alur Pinang 9
S1 Sangat Halus
13
Cinta Raja 8
S1 Halus
14
Cinta Raja 10
N Kasar
15
Suka Rejo 12
S1 Halus
Drainase
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Terhambat,
agak terhambat
Bahan
Kasar(%)