Nutrient accumulation and allocation of aboveground parts in Quercus acutissima plantations under two site conditions in Anhui, China Nutrition utilization rate of muskmelon in organic substrate culture under solar greenhouse Characteristics of nutrient cycling in first and second rotations of Chinese fir plantations Studies on Uptake and Utilization of Nitrogen,Phosphorus and Potassium and Yield Advantage in Capsicum/Maize Relay Intercropping System Efect of the application amount of humic acid compound fertilizer 0n the yield and nutrient utilization rate of pepper The nutrient cycling and the efficiency of nutrient utilization of the Cajanus cajan 2-year old plantation in Dry-hot Region Water and Nutrient Use Efficiency in Diploid, Tetraploid and Hexaploid Wheats Effects of Different N, P and K Ratios and NAM on Growth, Quality and NutrientUtilization of Watermelon Mulched with Gravel in Semiarid Area Effect of Chilli Pepper Intercropping System on Nutrient Utilization,Main Diseases and Pests and Yield of Chilli Pepper Studies on Uptake and Utilization of Nitrogen,Phosphorus and Potassium and Yield Advantage in Capsicum/Maize Relay Intercropping System Studies on Yield Advantage of Wheat and Peanut Relay Inter Cropping System and Its Relation with Nutrient Utilization Efficiency in Sandy Land