Respon Pertumbuhan dan Produksi Tanaman Mentimun Jepang (Cucumis sativus var japonese) dengan Pemberian Biochar Kendaga Cangkang Biji Karet dan Berbagai Pupuk Hayati

Abstract

Growth and yield response of Japanese cucumber privision of biochar kendaga rubber seeds shells and a variety of biological fertilizers. Under the guidance of Dr. Ir. Sumihar Hutapea, MS as the chairman of the commission supervising and Ir. Asmah Indrawati, MP as a member of the supervising commission. This research was conducted in the Agricultural Faculty of the University Medan Area located on the road No.1 Medan Estate, districts Percut Sei Tuan. Started in June until august 2015. The aim is to find out how biochar best dose and the best types of biological fertilizers for crop production and the growth of Japanese cucumber (Cucumis sativus var Japonese). This study used factorial randomized block design with 2 replications, 16 combinations that can be 32 plot. Plant from all aver the combinations and repetition. The first factorial tested is biochar kendaga rubber seeds shells are : Bo = No biochar, B1= 5 tonnes/ha (0,5 kg/plot), B2 = 10 tonnes/ha ( 1 kg/plot ), B3 = 15 tonnes/ha (1,5 kg/pot ), the second factorial is the weide range of biological fertilizers are : Po = no biological fertilizers, P1 = biofertilizers Petro biofertil = 0,02%, P2 = biofertiliers tiens feng shou = 0,02%, P3 = liquid fertilizers TS-412 = 0,02%. The results of this study indicate that the use of biochar kendaga rubber seed shells and a variety of biological fertilizers can not improve all parameters were observed during the study.