Based on simulation of wheat growth phase, a computer simulation model for wheat growth optimization and fertilizer application with optimum economic performance was set up.
以小麦生物学特性和土壤植物营养学为依据，在小麦生育模拟基础上，建立了小麦生育优化动态模式和最佳经济效益施肥模型。
The strategy is to control the application amount, especially paying attention to the chemical fertilizer use of model production field.
提出的对策是适当控制化肥施用总量，特别控制样板田、示范方的化肥施用量。
The model of fertilizer application in cotton with high yield, quality and efficiency was made through the scientific experiments for many years.
当前，江西鄱阳湖区推广的棉花高产优质高效施肥方案，是通过多年的科学试验获得的。
The sequence of the model factor effects (N>K>P) and the relation between high yield and fertilizer application, and the mutual functions among the yield factors of various fertilizers.
明确了模型因素效应顺序（氮肥＞钾肥＞磷肥）和高产与施肥的关系，以及各肥料产量因素间的交互作用效应。
Based on field experiment, the model of water transfer and consumption, crop water (-fertilizer)-production function of winter wheat and their application were studied.
在田间试验的基础上，对冬小麦农田水分消耗与转化、水分及水肥生产函数模型及其应用进行了研究。
The utility model relates to a one-step seeder, in particular to a one-step seeder for finishing seed casting, watering and fertilizer application at one step.
本实用新型涉及一种一步播种器，具体地说涉及一种把撒种、浇水、施肥一步完成的一步播种器。
The utility model relates to a one-step seeder, in particular to a one-step seeder for finishing seed casting, watering and fertilizer application at one step.
本实用新型涉及一种一步播种器，具体地说涉及一种把撒种、浇水、施肥一步完成的一步播种器。
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