N fertilizer efficiency 第1页

Influence of N Fertilizer on N Accumulation and Distribution of Different Panicle Rice in Irrigated Region of Xiliaohe Plain Study on the correlations between transplanting date and nitrogen fertilizer efficiency of flue-cured tobacco (Nicotiana tabacum L.) Effects of sulfur- and polymer-coated controlled release urea on yield, photosynthetic characteristics and nitrogen fertilizer efficiency of rice Effects and influence factors of dicyandiamide (DCD) application in agricultural ecosystem. Change of nitrogen use efficiency of maize affected by long-term manure fertilization in the typical black soil