Soybean yield as affected by crop rotations, deep tillage and irrigation layout on a hardsetting Alfisol [Soil and Tillage Research 44(1997) 151-164]

agua del suelo australia australie conception crop yield deep tillage design eau du sol estructura del suelo glycine max irrigation systems labranza profunda luvisol luvisoles luvisols rendement des cultures rendimiento de cultivos rotation culturale rotational cropping sistemas de riego soil structure soil water structure du sol travail profond du sol