Pengaruh Residu Kombinasi Abu Vulkanik Merapi, Pupuk Kandang Sapi dan Tanah Mineral terhadap Sifat Kimia Media Tanam serta Bobot Kering Pupus Tanaman Jagung (Zea mays L.).
ABSTRAK
Wardiman W. Katili, 2013. Pengaruh Residu Kombinasi Abu Vulkanik
Merapi, Pupuk Kandang Sapi dan Tanah Mineral terhadap Sifat Kimia
Media Tanam serta Bobot Kering Pupus Tanaman Jagung (Zea mays L.).
Dibimbing oleh Nenny Nurlaeny dan Yuliati Machfud.
Penelitian ini dilakukan untuk mengetahui pengaruh residu kombinasi abu
vulkanik Merapi (AVM), pupuk kandang sapi (PKS) dan tanah mineral Inceptisol
(TM) terhadap pH, P2O5 potensial, P2O5 tersedia serta bobot kering pupus
tanaman jagung (Zea mays L.). Penelitian ini dilaksanakan dari bulan Februari
hingga Mei 2012 di rumah kasa kebun percobaan Fakultas Pertanian, Universitas
Padjadjaran, Jatinangor, dengan ketinggian tempat ± 740 m dpl. Penelitian ini
merupakan penelitian lanjutan menggunakan Rancangan Acak Kelompok faktor
tunggal dengan sembilan perlakuan dan tiga kali ulangan. Perlakuan residu terdiri
dari (I) 0% AVM + 50% PKS + 50% TM, (II) 40% AVM + 10% PKS + 50% TM,
(III) 30% AVM + 20% PKS + 50% TM, (IV) 20% AVM + 30% PKS + 50% TM,
(V) 10% AVM + 40% PKS + 50% TM, (VI) 40% AVM + 50% PKS + 10% TM,
(VII) 30% AVM + 50% PKS + 20% TM, (VIII) 20% AVM + 50% PKS + 30%
TM, (IX) 10% AVM + 50% PKS + 40% TM. Hasil penelitian menunjukkan
bahwa residu kombinasi AVM, PKS dan TM memberikan pengaruh terhadap
P2O5 potensial serta P2O5 tersedia, namun tidak berpengaruh terhadap pH serta
bobot kering pupus tanaman jagung. Korelasi dan regresi antara P2O5 potensial
dengan P2O5 tersedia menunjukkan bahwa semakin meningkat P2O5 potensial
maka semakin meningkat pula P2O5 tersedia (r = 0,64), sedangkan korelasi dan
regresi antara P2O5 tersedia dengan bobot kering pupus tanaman jagung
menunjukkan bahwa semakin meningkat P2O5 tersedia maka semakin meningkat
pula bobot kering pupus tanaman jagung (Zea mays L.) (r = 0,41).
Kata kunci: abu vulkanik merapi, jagung, pupuk kandang sapi, residu, tanah
mineral Inceptisol.
i
ABSTRACT
Wardiman W. Katili, 2013. Residue Effects of Merapi Volcanic Ash, Cow
Manure and Mineral Soil Combination on Media Chemical Properties and
Dry Weight of Maize (Zea mays L.). Supervised by Nenny Nurlaeny and
Yuliati Machfud.
This experiment was conducted to find out the residue effects of Merapi
volcanic ash (MVA), cow manure (CM) and mineral soil (MS) combination on
pH, potential P2O5, available P2O5 and dry weight of Maize (Zea mays L.). The
experiment in a screen house was carried out from February until May 2012, in
the field of Agricultural Faculty, University of Padjadjaran, Jatinangor at ± 740 m
above sea level. The experiment was an advanced experiment used a Randomized
Block Design which arranged in one factor, nine treatments and three replications.
The nine residue treatments consisted of (I) 0% MVA+ 50% CM+ 50% MS, (II)
40% MVA+ 10% CM+ 50% MS, (III) 30% MVA+ 20% CM+ 50% MS, (IV)
20% MVA+ 30% CM+ 50% MS, (V) 10% MVA+ 40% CM+ 50% MS, (VI) 40%
MVA+ 50% CM+ 10% MS, (VII) 30% MVA+ 50% CM+ 20% MS, (VIII) 20%
MVA+ 50% CM+ 30% MS and (IX) 10% MVA+ 50% CM+ 40% MS. Results of
this experiment showed that there were effects of residue of Merapi volcanic ash,
cow manure and mineral soil combination on potential P2O5 and available P2O5,
but it had no effects on pH and dry weight of maize. Correlation and regression
between potential P2O5 and available P2O5 showed that the increase of potential
P2O5 would increase P2O5 available (r = 0,64), whereas correlation and regression
between available P2O5 and dry weight of maize showed that the increase of
available P2O5 would increase dry weight of maize (r = 0,41).
Key words: cow manure, maize, mineral soil, Merapi volcanic ash, residue.
ii
Wardiman W. Katili, 2013. Pengaruh Residu Kombinasi Abu Vulkanik
Merapi, Pupuk Kandang Sapi dan Tanah Mineral terhadap Sifat Kimia
Media Tanam serta Bobot Kering Pupus Tanaman Jagung (Zea mays L.).
Dibimbing oleh Nenny Nurlaeny dan Yuliati Machfud.
Penelitian ini dilakukan untuk mengetahui pengaruh residu kombinasi abu
vulkanik Merapi (AVM), pupuk kandang sapi (PKS) dan tanah mineral Inceptisol
(TM) terhadap pH, P2O5 potensial, P2O5 tersedia serta bobot kering pupus
tanaman jagung (Zea mays L.). Penelitian ini dilaksanakan dari bulan Februari
hingga Mei 2012 di rumah kasa kebun percobaan Fakultas Pertanian, Universitas
Padjadjaran, Jatinangor, dengan ketinggian tempat ± 740 m dpl. Penelitian ini
merupakan penelitian lanjutan menggunakan Rancangan Acak Kelompok faktor
tunggal dengan sembilan perlakuan dan tiga kali ulangan. Perlakuan residu terdiri
dari (I) 0% AVM + 50% PKS + 50% TM, (II) 40% AVM + 10% PKS + 50% TM,
(III) 30% AVM + 20% PKS + 50% TM, (IV) 20% AVM + 30% PKS + 50% TM,
(V) 10% AVM + 40% PKS + 50% TM, (VI) 40% AVM + 50% PKS + 10% TM,
(VII) 30% AVM + 50% PKS + 20% TM, (VIII) 20% AVM + 50% PKS + 30%
TM, (IX) 10% AVM + 50% PKS + 40% TM. Hasil penelitian menunjukkan
bahwa residu kombinasi AVM, PKS dan TM memberikan pengaruh terhadap
P2O5 potensial serta P2O5 tersedia, namun tidak berpengaruh terhadap pH serta
bobot kering pupus tanaman jagung. Korelasi dan regresi antara P2O5 potensial
dengan P2O5 tersedia menunjukkan bahwa semakin meningkat P2O5 potensial
maka semakin meningkat pula P2O5 tersedia (r = 0,64), sedangkan korelasi dan
regresi antara P2O5 tersedia dengan bobot kering pupus tanaman jagung
menunjukkan bahwa semakin meningkat P2O5 tersedia maka semakin meningkat
pula bobot kering pupus tanaman jagung (Zea mays L.) (r = 0,41).
Kata kunci: abu vulkanik merapi, jagung, pupuk kandang sapi, residu, tanah
mineral Inceptisol.
i
ABSTRACT
Wardiman W. Katili, 2013. Residue Effects of Merapi Volcanic Ash, Cow
Manure and Mineral Soil Combination on Media Chemical Properties and
Dry Weight of Maize (Zea mays L.). Supervised by Nenny Nurlaeny and
Yuliati Machfud.
This experiment was conducted to find out the residue effects of Merapi
volcanic ash (MVA), cow manure (CM) and mineral soil (MS) combination on
pH, potential P2O5, available P2O5 and dry weight of Maize (Zea mays L.). The
experiment in a screen house was carried out from February until May 2012, in
the field of Agricultural Faculty, University of Padjadjaran, Jatinangor at ± 740 m
above sea level. The experiment was an advanced experiment used a Randomized
Block Design which arranged in one factor, nine treatments and three replications.
The nine residue treatments consisted of (I) 0% MVA+ 50% CM+ 50% MS, (II)
40% MVA+ 10% CM+ 50% MS, (III) 30% MVA+ 20% CM+ 50% MS, (IV)
20% MVA+ 30% CM+ 50% MS, (V) 10% MVA+ 40% CM+ 50% MS, (VI) 40%
MVA+ 50% CM+ 10% MS, (VII) 30% MVA+ 50% CM+ 20% MS, (VIII) 20%
MVA+ 50% CM+ 30% MS and (IX) 10% MVA+ 50% CM+ 40% MS. Results of
this experiment showed that there were effects of residue of Merapi volcanic ash,
cow manure and mineral soil combination on potential P2O5 and available P2O5,
but it had no effects on pH and dry weight of maize. Correlation and regression
between potential P2O5 and available P2O5 showed that the increase of potential
P2O5 would increase P2O5 available (r = 0,64), whereas correlation and regression
between available P2O5 and dry weight of maize showed that the increase of
available P2O5 would increase dry weight of maize (r = 0,41).
Key words: cow manure, maize, mineral soil, Merapi volcanic ash, residue.
ii