PENGARUH ABU VOLKANIK HASIL ERUPSI MERAPI DAN PUPUK KANDANG TERHADAP SIFAT FISIKA TANAH DAN HASIL KACANG TANAH PADA REGOSOL ABU VOLKAN DI SLEMAN, YOGYAKARTA
The low content of colloid material such as clay and organic matter in sandy soil (volcanic ash Regosol) cause the soil less supportive in water and nutrient. Mount Merapi erruption in September 2010 is a natural process. The problem is the amount of ashfall which is different on each place. The leg...
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| Формат: | Диссертация |
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[Yogyakarta] : Universitas Gadjah Mada
2012
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