Utilization of nitrogen 第1页

Nitrogen accumulation, distribution and utilization characteristics of wheat at yield level of 9000kg/ha in rice-wheat rotation Effects of Nitrogen Application Rates on Translocation of Dry Matter and Utilization of Nitrogen in Rice and Wheat THE EFFECT OF SOIL VOLUMETRIC WEIGHT ON NITROGEN SUPPLYING ABILITY OF SOIL AND ABSORPTION,UTILIZATION OF NITROGEN BY COTTON STUDIES ON NITROGEN UPTAKE AND UTILIZATION BY RAPE (Brassica napus L.) UNDER DIFFERENT SOWING DATES