The influence of long-term fertilizing on the factors of soil potassium regime

abonos avenas avoine cabbages calcio calcium chou pomme engrais npk engrais organique fertilizantes npk loam soils modele modelos models npk fertilizers oats papa pomme de terre potatoes procesos de transporte en el suelo repollo sandy soils soil solution soil transport processes sol sableux sol sablolimoneux soluciones del suelo solution du sol suelo arenoso suelo franco transport dans le sol triticum zea mays