1.
					
							Developing organic fertilizer with humic acid-types to improve utilization ratio of chemical fertilizer
						
						
						发展腐植酸类有机肥  提高化肥利用率
					2.
					
							Characteristic of Nitrogen Use Efficiency of Central Food Crops under Long-term Fertilization;
						
						
						长期施肥下我国粮食作物氮肥利用率变化特征
					3.
					
							What Can Departments of Chemical Industry Do for Raising Fertilizer Use Efficiency;
						
					
					
						
						
					
					
						提高肥料利用率化工部门能做些什么?
					4.
					
							Studies on Effects of the Application Rate of Chemical Nitrogen Fertilizer on Yield and Quality and Nitrogen Fertilizer Utilization Ratio of Vegetables;
						
						
						化学氮肥用量对蔬菜产量、品质及氮肥利用率影响的研究
					5.
					
							Effects of Chemical Regulator on the Growth of Crop and Its Water and Nutrient Use Efficiency;
						
						
						化学调控对作物生长及水肥利用效率的影响
					6.
					
							Effects of Different Ratios of Base N to Dress N Fertilizer on Nitrate Content in Chinese Cabbage and the N Use Efficiency
						
						
						氮肥不同基肥、追肥比例对小白菜硝酸盐含量及氮肥利用率的影响
					7.
					
							manganese oxide as fertilizer sources
						
					
					
						
						
					
					
						利用氧化锰作为肥料
					8.
					
							Regional Characteristics of Grain Productivity and Chemical Fertilizer Use Efficiency in Main Grain Production Regions of China;
						
						
						我国粮食主产区粮食生产力与化肥利用效率的区域特征
					9.
					
							The Change of Plant Type and Nitrogen Use Efficiency during Rice Cultivar Improvement;
						
					
					
						
						
					
					
						水稻品种演替过程中植株形态与氮肥利用效率的变化
					10.
					
							Study on Increasing  Production Effect of Fertilizer on Maize and Its Utilization Efficiency in  Black Soil of Jilin;
						
						
						吉林黑土上化肥对玉米的增产效应及其利用率研究
					11.
					
							Nutrient Use Efficiency and Stoichiometry of Nitrogen and Phosphorus of Major Coniferous Trees in Hefei
						
						
						合肥常见针叶树种养分利用效率及氮磷化学计量的研究
					12.
					
							Effects of Chemical and Nutritional Regulations on the Growth of Crop and Its Water and Nutrient Use Efficiency
						
						
						不同化学及营养调控措施对作物生长及水肥利用效率的影响
					13.
					
							The Effect of Water and Fertilizer Regulating on Growth and Water and Fertilizer Use Efficiency of Crop
						
						
						水肥调控对作物生长及水肥利用效率的影响
					14.
					
							The Effect of Combined Application of Organic Manure and Chemical Fertilizers on Yield of Winter Wheat and Nitrogen Utilization
						
						
						肥料配施对冬小麦产量和氮肥利用效率的影响
					15.
					
							Effect of controlled-release nitrogen fertilizer on growth and fertilizer nitrogen use efficiency of double rice in southern China
						
						
						控释氮肥对双季水稻生长及氮肥利用率的影响
					16.
					
							Effects of Different Nitrogen Fertilizer Application Rate and Different Topdressing Way on Yield and Efficiency for Maize Zhongyu 15
						
						
						氮肥用量和追肥方式对玉米中玉15产量和氮肥利用效率的影响
					17.
					
							Studies on Efficiency of Fertilizer Utilization in Flue-cured Tobacco with Different Fertilizer Response
						
						
						烤烟根茎叶对钾肥的吸收利用率研究
					18.
					
							A Study on Efficiency in the Use of Agricultural Fertilizers and Farmers Behavior of Fertilization Based on Hubei Province;
						
						
						农用化肥使用效率与农户施肥行为研究