recovery rate 第1页

Determination of palmatine hydrochloride in Gymnospermium altaicum by HPLC Determination of palmatine hydrochloride in Gymnospermium altaicum by HPLC Effects of combined application of inorganic fertilizer with straw and pig slurry and their compost on wheat growth and nitrogen uptake Effect of nitrogen applied levels on the dynamics of biomass, nitrogen accumulation and nitrogen fertilization recovery rate of cotton after initial flowering Quantitative Determination of Glycinebetaine in Plant Tissues by Reverse Phase Ion-pair HPLC Effect of topdressing time of nitrogen fertilizer and controlled-release coated urea on winter wheat yield and apparent nitrogen recovery rate Synchronized Control of Specific Gravity, Drug Contents and Recovery Rate of Inspissated Extract Nitrogen utilization efficiency of Wancao 2 and Zea mexicana Separation of polyphyllin from Rhizoma Paridis by foam fractionation technique Response of seed germination of Rhododendron fortunei to drought stress Nutrient restrictive factors and accumulation of super-high-yield summer maize Effects of Different Water and Nitrogen Application on Biomass and Nutrients Accumulation and Nitrogen Fertilization Recovery Rate of Cotton after Anthesis