PENGARUH 3 VARIETAS (BP 436, BP 234, BP 936) DAN DOSIS LIMBAH CAIR BIOGAS TERHADAP PERTUMBUHAN AWAL KOPI ROBUSTA (Coffea canephora Pierre ex Froehner)

ABSTRACT This research aims to examine the influence of the early 3 varieties robusta coffee on some doses watering liquid waste biogas, examine the early growth 3 varieties robusta coffee, and examine the influence on some doses watering liquid waste biogas about the early growth robusta coffee. This research started from may until july 2018. The research is experiment factorial is which are drawn up so using random design group, plot divided repeated three times. Plot main are varieties (V) consisting of 3 level which is V1= BP 436, V2= BP 234, V3= BP 936. The plot is a doses a liquid waste biogas (B) consisting of 5 standard, which is B0= control, B1= 150 ml, B2= 200 ml, B3= 250 ml, B4= 350 ml. The observation is made to vegetative in non-destruktif, periodically at intervals of time 10 days for 2 (two) months. Variable observed that the increaase includes tall plants (cm), trunk diameter (cm), number of leaves, long and wide leaves (cm), and levels of chlorophyll (unit). The used is the F to know the influence of treatment in give. Then followed by Duncan at standard α = 5% to know more different than any treatment. The analysis correlation to know relations between variables observed. Based on the results of research influence 3 varieties and doses of biogas liquid waste about the early robusta coffee we can conclude that there will be no real impact to the growth of the beginning of some varieties of robusta coffee on several doses of watering biogas liquid waste, there will be no influence doses watering biogas liquid waste about the early robusta coffee, and not the differences in growth in 3 varieties robusta coffee