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Researches of decision making system for crop ecological and equilibrium fertilizing

CAO Hong-xin1, LIU Shi-jun1, ZHANG Li-min2,WANG Fa-hong1,REN De-chang1, WANG Xu-qing1,GAO Liang-zhi3,JIN Zhi-qing3, ZHANG Ji-lin3  
The concept, theories, and signification for crop ecological and equilibrium fertilizing were described. The decision making system for crop ecological and equilibrium fertilizing was developed, in accordance with the theories for crop ecological and equilibrium fertilizing, in the same time, the chart, functions, and running environment were introduced. This system will benefit to draw up a plan for crop ecological and equilibrium fertilizing quickly for different crops, soil types, and ecological factors, to produce , and to supply high-effect and special fertilizer after determining soil nutrients quickly.
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