Optimization of NPK Compound Fertilizer Package Rate on One Year Old Oil Palm (Elaeis guineensis, Jacq) Trees
Keywords:
inorganic, leaf frond number nine, optimum rate, response patterns.Abstract
The objectives of this research were (i) to study growth response and (ii) to determine the optimum rate of NPK compound fertilizer package for the promoting the growth of one year old oil palm trees. The experiment was conducted from March 2013 to February 2014 at IPB-Cargill Teaching of Oil Palm, Jonggol Bogor, West Java Indonesia. The experiment was arranged in randomized block design with one factor and three replications.
The treatments were four NPK compound fertilizer package as follow: control (P0), NPK 650 g + 25 g boric acid + 25 g CuSO4.5H2O (P1), NPK 1,300 g + 25 g boric acid + 25 g CuSO4.5H2O (P2), NPK 2,600 g + 25 g boric acid + 25 g CuSO4.5H2O (P3)
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