Pemupukan P, K Dan Waictu Pemberian Pupuk K Pada Tanaman
ABSTRACT Research of P K fertilization and frequency of K fertilizer application on cassava in Vertisol upland was conducted in Wonosari subdistrict, Gunungkidul regency at planting season 2001. The objective of the research was to look for the technology for increasing P and K fertilization efficie...
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[Yogyakarta] : Universitas Gadjah Mada
2003
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