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 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 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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