Five compartments were designed to examine 32 P transfer via vesicular arbuscular mycorrhizal hyphae link among roots of red clover:the central compartment for the growth of donor and receiver plants and two outer ones for water and hyphae growth.Compartmentation was accomphlished by a 30μm nylon net mesh where hyphae could penetrate and grew while plant roots couldn't . 32 P was mixed into the outer compartment for donor plant and Glomus mosseae was inoculated in the root compartment ...