polymer-coated controlled release urea 第1页

Effects of sulfur- and polymer-coated controlled release urea fertilizers on wheat yield and quality and fertilizer nitrogen use efficiency. Effects of sulfur-and polymer-coated controlled releaseurea fertilizers on spatial-temporal variations of soil NO-3-N and nitrogen balance and nitrogen use efficiency Effects of sulfur- and polymer-coated controlled release urea on yield, photosynthetic characteristics and nitrogen fertilizer efficiency of rice