Browsing by Subject "organic materials"

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Pengaruh Fosfat Alam, Bahan Organik dan Kombinasinya terhadap Perbaikan Sifat Kimia Tanah dan Produksi Tanaman Terung Ungu (Solanum melongena)

Kustoyo, Irfan | Indriyati, Lilik Tri | Nugroho, Budi (2014)

Arable land for farming system is commonly acid soils and has low nutrient content. As its low fertility, it is needed an effort to improve soil fertility and productivity. Podsolik is highly weathered acid soils that has ...
Pengaruh pemberian bahan organik in situ terhadap beberapa sifat kimia tanah di lahan bekas tambang pasir besi di Kabupaten Purworejo Provinsi Jawa Tengah

Ismail, Patra Eland | Iskandar | Tjahyandari, Dyah (2011)

The iron sand post mining land in the sub-District Grabag, Purworejo District is a critical land that is relatively difficult to be reclaimed. This is due to physical and chemical characteristic of soil that is unappropriate ...
Pengembangan model simulasi proses pengomposan sampah organik perkotaan dalam bioreaktor

Setiyo, Yohanes | Purwadaria, Hadi K. | Yuwono, Arief Sabdo | Subroto, M. Ahkam (2007)

Municipal solid waste or MSW has potency to be decomposed by microorganisms and transformed into compost. The waste contains 60%-75% of organic materials C, H, O, and N. The aim of this research was to develop a simulation ...