Pemanfaatan Pupuk Kandang Ayam dan Fungi Mikoriza Arbuskula untuk Memperbaiki Pertumbuhan Bibit Jeruk Siam

Abstract

The experiment was conducted to study the effects of manure, vasicular arbuscular michorizae (VAM) and their interaction on the growth of siam citrus seedling. The experiment was conducted at Kacinambun village, Karo, North Sumatera in Maret-Juli 2012. Experiment using Randomized Completely Block Design two factors. First factor was manure: 0 g, 250 g, and 500 g manure plant-1 and the second factor was VAM: 0 g, 5 g, 10 g, and 15 g VAM plant-1. The results showed that the manure at 500 g plant-1 showed better for number of branch, number of leaf, shoot dry weight, and leaf P concentration. VAM increase the percentage of root colonizations and leaf P concentration. Interaction of 250 g manure plant-1 and 15 g VAM plant-1 showed better result for the leaf P concentration.