Lal, Rattan2019-09-062019-09-061985Lal, Rattan. A Soil Suitability Guide for different Tillage Systems in the Tropics / Rattan Lal // Soil & Tillage Research. – 1985. – Vol. 5. – P. 179-196.enAttribution-NonCommercial-NoDerivatives 4.0 InternationalPrelucrarea soluluiPedologieArticle