The topic of “Study and Demonstration of Balanced Fertilizer Application in the Economy of Anhui Provinceâ€, jointly undertaken by the Institute of Agricultural Resources and Environment of Ningxia Academy of Agricultural Sciences and Ningxia University, has achieved a good production effect after a one-year field experiment and demonstration in Zhongning, which will drive more Cimeno greatly increased income by changing irrational fertilization habits.
There are 120,000 mu in Zhongning County, accounting for 22.6% of the total cultivated land, and the total output is 32,000 tons. The comprehensive output value of the bismuth industry is over 700 million yuan. The per capita cash income of farmers in the county is 1,200 yuan. In recent years, with the continuous expansion of planting area, due to the standardization of production penetration rate and the low utilization rate of fertilizers, the difference between the main production area and the radiation area in the production area is large, and the input-output ratio is unreasonable. According to expert investigations, it was found that the application of N, P, and K in fertilizers was unreasonable, resulting in excessive accumulation of available nutrients in the soil. In response to this, the project team combined the characteristics of nutrient resources in the soil in Ningxia, initially proposed the recommended fertilizer proposal, and prepared technical regulations for the application of reasonable fertilizer. In order to thoroughly implement the technical regulations and eliminate the worries of the farmers, the project team members went deep into the homes of the farmers, explained the methods of rational fertilization with patience, and signed a letter of agreement with Cinnong. During the critical period of fertilization, various forms of fertilization training classes were held in the field to guide the farmers to apply reasonable fertilization. After one year's demonstration, the yield of the recommended fertilization was higher than that of the local Zenon custom fertilization, and the output input ratio of the recommended fertilization field was increased from the 2.27:1 of the conventional fertilization field to 4.47:1. With economic balanced fertilization technology, the net income per mu can be increased by nearly 1 time.
In order to further guide farmers in rational fertilization, according to the unified arrangement of the whole region, Zhongning County started the formula fertilization for soil testing in this year. The demonstration area of ​​50,000 mu has been implemented. The application of formula fertilizer can save 100 yuan of fertilizer cost per mu, and this single county can save 5 million yuan in fertilizer costs.
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