Method for preparing and applying QUEFTS model based regionalized facility eggplant special fertilizer
A special fertilizer and regionalized technology, which is applied in the field of special fertilizer distribution and application of eggplant special fertilizer in regionalized facilities, can solve the problems of excessive nitrate nitrogen content, lack of fertilization technology, nitrogen leaching and other problems
Active Publication Date: 2021-07-23
INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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Problems solved by technology
Among them, the most important problem is the lack of special fertilizers and mature fertilization technology, and the phenomenon of blind fertilization
In addition, due to the large amount of fertilization and low nutrient utilization rate, a large amount of nitrogen is leached into the groundwater, causing the content of nitrate nitrogen (NO3-) in the groundwater to seriously exceed the standard
Method used
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Embodiment 1
[0156] Special blended (BB) fertilizer and / or compound fertilizer and / or compound fertilizer compound fertilizer for facility eggplant and its application method
[0157] This example was carried out in Shixinzhuang, Dakoutun Town, Baodi District, Tianjin from 2013 to 2015, and the cultivation stubble was a spring stubble-autumn delayed facility cultivation production mode. The frequency of fertilization for facility eggplant during the whole growth period was 5 times, that is, the special fertilizer for base application before transplanting and special fertilizer for topdressing, the special fertilizer for first topdressing, the special fertilizer for second topdressing, the special fertilizer for third topdressing and the special fertilizer for fourth topdressing.
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The invention discloses a method for preparing and applying a QUEFTS model based regionalized facility eggplant special fertilizer, and provides a light, simple, quantitative and reasonable method for preparing and applying the QUEFTS model based regionalized facility eggplant special fertilizer. According to the method, the growth environment and soil fertility condition of eggplant crops are evaluated through key parameters such as yield, yield response and relative yield of eggplants in a complex eggplant fertilization system, and the nutrient demand proportion of nitrogen (N), phosphorus (P2O5) and potassium (K2O) of the special fertilizer for the facility eggplants and the corresponding recommended fertilization method are rapidly and accurately provided. The method is a chemical fertilizer production and application reduction technology which effectively improves the yield of eggplant crops and the utilization rate of the fertilizer, reduces environmental pollution, improves soil fertility, is efficient and easy to implement, and is widely applicable to environmental protection; technical guarantee is provided for industrialized production of the BB fertilizer special for the facility eggplant and/or the compound fertilizer special for the facility eggplant and/or the compound fertilizer with regional characteristics.
Description
technical field [0001] The invention relates to the technical field of compound fertilizer production and balanced fertilization, in particular to a method for compounding and applying special fertilizer for eggplant in regionalized facilities based on the QUEFTS model. Background technique [0002] Eggplant has formed a high-efficiency and energy-saving solar greenhouse, plastic shed, and three-way plastic film covering annual serial protection cultivation system for eggplant in my country. Without heating, eggplant can be produced throughout the year and supplied year-round. With the increase of production area year by year, especially the introduction of some new varieties, the requirements for production technology are getting higher and higher, and the requirements for the output and quality of eggplant are also getting higher and higher, and there are many problems in production. Among them, the most important problem is the lack of special fertilizers and mature ferti...
Claims
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IPC IPC(8): C05G3/00A01C21/00
CPCC05G3/00C05B7/00A01C21/005C05C9/00C05D1/02Y02A40/25
Inventor 徐新朋何萍孙静文艾超周卫王玉军
Owner INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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