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Effect of phosphorus application on soil available phosphorus and maize phosphorus uptake and yield Effects of Nitrogen Application Amount and Planting Density on Angle and Length of Top Three Leaves in Double-Cropping Rice Ecological compensation standard for controlling nitrogen non-point pollution from farmland: a case study of Yixing City in Jiang Su Province Effects of nitrogen on yield, quality and nutritive absorption of middle and strong gluten wheat EFFECTS OF MUNICIPAL SEWAGE SLUDGE ON MINE SOIL PROPERTIES Protein Accumulation in Grains of Wheat Cultivars Differing in Drought Tolerance and Its Regulation by Nitrogen Application Amount under Irrigated and Dryland Conditions Differences of Nitrogen Uptake and Utilization and Nitrogen Regulation Effects in Maize between Maize/Soybean and Maize/Sweet Potato Relay Intercropping Systems Effect of Subsoiling in Fallow Period and Nitrogen Application on Soil Moisture and Grain Protein Accumulation in Dryland Wheat Effect of N application on yield of forage grass and the accumulation
of N and C under a sudangrass/ryegrass rotation Differences of dry matter accumulation and distribution of maize and their responses to nitrogen fertilization in maize/soybean and maize/sweet potato relay intercropping systems Soil fertility evolution, nutrient balance and reasonable fertilization in paddy field in southern area of Jiangsu Province Effects of nitrogen fertilization and planting density on yield of super early rice Zhongzao 22 Effects of nitrogen application on source of nitrogen accumulation and yields of different peanut cultivars Responses of ammonia volatilization to nitrogen application amount in typical double cropping paddy fields in Hunan Province Effect of Phosphorus Application Amount on the Growth,Nutrient Absorption,and Cold-resistance of Tall Fescue(Festuca arundinacea Schreb.) in Winter