全年定量磷肥在冬小麦和夏玉米两茬间合理分配孙政才（北京市农林科学院１０００８１）冬小麦—夏玉米轮作中，磷肥在冬小麦、夏玉米间的合理分配，是轮作施肥中需要解决的一个重要生产问题。我们分别在１９９０、１９９２、１９９３年的相继报道中，已明确了冬小麦和夏玉... All-year quantitative phosphorus fertilizer in winter wheat and summer maize two crop reasonable distribution Sun Zhengcai (Beijing Academy of Agriculture and Forestry 100081) winter wheat - summer maize rotation, phosphorus fertilizer in winter wheat, summer maize reasonable allocation is the rotation of fertilizer need to be addressed in an important production problem. We were in 1990, 1992, 1993, one after another reported, has made it clear that winter wheat and summer jade ...