Ehffektivnost' intensivnoj tekhnologii vozdelyvaniya yarovoj pshenitsy v stepnoj zone Khakasii.

crop yield cultivation cultivo cultivos de primavera culture de printemps estepas exploitation agricole intensive fertilizantes fosfatados humus intensive farming kastanozem kastanozems phosphate fertilizers pratique culturale rendement des cultures rendimiento de cultivos rotation culturale rotational cropping spring crops steppe steppes triticum