PENGUNAAN ENDAPAN AIR GAMBUT SEBAGAI AMELIORAN ALTERNATIF TERHADAP BEBERAPA SIFAT KIMIA ULTISOL DAN HASIL TANAMAN JAGUNG SEMI (Zea may L )

prasetyo, Teguh Budi and Husnita, Husnita and Darfis, Irwan (2008) PENGUNAAN ENDAPAN AIR GAMBUT SEBAGAI AMELIORAN ALTERNATIF TERHADAP BEBERAPA SIFAT KIMIA ULTISOL DAN HASIL TANAMAN JAGUNG SEMI (Zea may L ). J. Solum , 5 (2). ISSN 1829-7994

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Abstract

The main problems of Ultisols are high Al concentration, low pH, low cation Exchangeable capacity (CEC), and low fertility. The objectives of this reaseur.h iu.r. to study the eff,ect of peat water deposit to some chemical properties of Ultisols and to determine the optimal level of peat water deposit for optimu* .oin yi.to. The experirnental design was the complete randomized design that consisted of 5 levels of peat water deposit (0, g00, 1600, 2400, and 3200 kg/ha). The results showed that the application of peat warer deposit could reduce exchangeable Al, increase CEC and soil P concentiation, p-uptake, and corn yield. The highest corn yield was obtained at application of 3200 kg peat water deposit /ha.

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