论文部分内容阅读
中国—加拿大钾肥农学第三期合作项目是我国和加拿大政府间的合作项目。该项目由我国对外贸易经济合作部和加拿大国际开发署批准,由我国农业部组织中国农科院土肥所等有关单位,与加拿大钾磷研究所合作执行。该项目在吉林、辽宁、黑龙江、河南、山东、河北等省范围内开展工作。合作研究内容涉及主要土壤的养分限制因子、主要土壤钾的存在形态和有效性、主要种植制度下钾的循环和钾肥合理施用、主要作物的最大产量和最大经济效益产
The third phase of the China-Canada Potash Agronomy Project is a cooperation project between China and the Canadian government. The project is approved by the Ministry of Foreign Trade and Economic Cooperation of China and the Canadian International Development Agency and organized by the Ministry of Agriculture of China to carry out the cooperation with the Potash Institute of Canada. The project in Jilin, Liaoning, Heilongjiang, Henan, Shandong, Hebei and other provinces to carry out the work. The cooperative research covers nutrient limit factors of main soils, the existence form and availability of main soil potassium, potassium circulation and rational application of potash under the main planting system, the maximum yield of main crops and the maximum economic benefit