Existing of Vesicular Arbuscular Mycorrhizal on The Corn Field Subjected by Long-term Organic and Inorganic Fertilizers - Yusnaini, Sri; Jurusan Ilmu Tanah Fakultas Pertanian Universitas Lampung Jl. Prof. Sumantri Brojonegoro 1. Bandar Lampung 35145 (UNIVERSITY OF LAMPUNG, 2009)