[Forecasting of farm crop yields from soil fertility number and moisuture provision of territory]

application methods arable soils belarus compensatory amounts contenido de agua en el suelo contenido de humedad crop yield environmental factors expenditure facteur du milieu factores ambientales fertilidad del suelo fertilisation fertilizer application forecasting gastos moisture content montant compensatoire montante compensatorio productividad productivity recherche rendement des cultures rendimiento de cultivos research soil fertility soil water content sol arable suelos cultivables teneur en eau teneur en eau du sol