@ARTICLE {VINE:1981, title = {The influence of sand and gravels on root growth of maize seedlings}, author = {Vine, P. N. and Lal, R. and Payne, D. }, journal = {Soil Science}, year = {1981}, volume = {131}, number = {2}, pages = {124--129}, issn = {0038-075X}, note = {CRP Maize; Maize;}, doi = {10.1097/00010694-198102000-00009}, }