Method for making soil fertilization prescription diagram, soil accurate fertilization prescription diagram and application
A prescription map and soil technology, applied in data processing applications, instruments, forecasting, etc., can solve the problems of high production cost and low fertilizer utilization rate, and achieve the effect of improving production efficiency and reducing production cost
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[0056] The present invention takes a certain cooperative in Anlu City, Hubei Province as a typical example. By adopting the technical solution of the present invention, the cooperative farmland soil fertilization prescription diagram is finally obtained:
[0057] 1. The arable land area of the cooperative is 40 hectares. According to the actual local conditions, 35 soil samples were collected. The sampling points are as follows: figure 1 indicated by the dot in the middle;
[0058] At the same time, the investigation of the cooperative shows that the crops planted in this farmland are rice, and the yield per mu in previous years is about 650kg / mu. The utilization efficiency of the fertilizers used are: 60% available nitrogen, 40% available phosphorus, and 25% available potassium.
[0059] 2. Take the soil sample back to the laboratory for testing to obtain the content of soil available nitrogen, available phosphorus and available potassium;
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