Root-controlled long-acting nitrogen fertilizer and application technology passed the acceptance

The “948” project of the Ministry of Agriculture, “New Root Control, Long-acting Nitrogen Fertilizer and Application Technology”, undertaken by the Resource Division of the Chinese Academy of Agricultural Sciences, recently passed the acceptance of experts organized by the Ministry of Agriculture.

According to the Science Times report, after careful consideration, the experts of the acceptance committee agreed that the project has fully completed the tasks and indicators stipulated in the contract, the standard of fund management, and the effective organization measures, which have certain innovation in the research of slow-release fertilizers, and have produced Obvious economic, social and ecological benefits.

The project has mainly made the following progress. First, the introduction of materials and technology has been successful. The project introduces the key technology of formula, production and application of German root-control, long-acting nitrogen fertilizer additive material SuperconcentrateN and fertilizer; compared with domestic fertilizer, its advanced performance is to use the growth rate of root system to control the rate of nitrogen fertilizer absorption by crops. Less affected by soil conditions, it can reduce the amount of nitrogen fertilizer and increase the utilization rate of nitrogen fertilizer. Compared with the slow release fertilizer on the market, the low cost is the most obvious feature of the product.

The second is to study and develop new formulas and fertilization techniques after digestion and absorption. According to the introduced root-control fertilizer technology formula, combined with the characteristics of traditional Chinese fertilization, through pot experiment and field experiment, the formula and fertilization scheme of root-controlled fertilizer suitable for Chinese dryland farmland were selected. A two-year field trial was conducted in Linyi, Shanxi and Luoyang, Henan, and achieved significant yield increase. Compared with the traditional fertilization method, the application of root-control fertilizer can increase the number of spikes per plant and the number of grains per ear, which can increase the yield by 10% to 15%. At the same time, the quality of agricultural products is improved, and the wet gluten and dry gluten of wheat grains are improved. Protein content and sedimentation value.

Third, the demonstration and promotion of production increase is obvious. In the past two years, demonstration and promotion have been carried out in Shanxi and Henan. The cumulative promotion area is 10,000 mu, and the average increase rate is 6.17%~21.91%.


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