The Use of Oil Palm Empty Fruit Bunches Compost, Rice Husk Charcoal and Chicken Manure to Reduce NPK Fertilizer Doses on the Growth and Yield of Cauliflower (Brassica Oleraceae Var. Botrytis L.)

Abstract

10 ).The result showed thatthe treatment of chicken manure30 ton ha -1 + 50% of NPK (P 10 ) gave the best result on the growth and yield of cauliflower. It was showed by the height of plant, the number of leaves, the age of flowering, the age of harvest, total fresh weight of plantand commercial fresh weight, diameter of stem and diameter of flowers. All of the value of these parameters was highest. KEY WORDSCauliflower, rice husk charcoal, chicken manure, oil palm empty fruit bunches.