| Summary: | ABSTRACT
P and K nutrients are very important on producing of peanut pod beside for metabolism prosess in the plant. Higly Ca ion consentration within the soil would decrease PK nutrients absorbtion by plant and decrease of producing the pod. For increasing the effectivity of PK fertilizer application in Alfisol upland, two set experiments were conducted in Malang, East Java at planting time 2002 and 2003. Factorial Randomized block design, three replications was used in these experiments. The treatments of first trial were combination of two N fertilizer (Urea and ZA), three levels of P fertilzer (0, 50 and 100 kg SP36/ha) and three frequency of KC1 fertilizer application (lx
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