1. Diffusion of phosphate to plant roots in soil. III. Depletion around onion roots without root hairs;Bhat;Pl. Soil,1974
2. The correlation of a phosphorus soil test with the response of wheat through a modified Mitscherlich equation;Bray,1958
3. The volatile flavor components of onions;Carson;J. agric. Fd. Chem.,1961
4. Movement of S35 tagged sulfate through soil columns;Chao,1962
5. Vesicular-arbuscular mycorrhizae;Gerdemann,1975