Special compound fertilizer for cultivation of winter jujube facilities and preparation method
A compound fertilizer and winter jujube technology, applied in fertilization methods, fertilization devices, urea compound fertilizers, etc., can solve problems such as inability to achieve high-quality cultivation, inability to completely dissolve in water, and blockage of water-saving irrigation systems to reduce The effect of agricultural production cost, improvement of fertilizer utilization rate and reduction of fertilizer cost
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Embodiment 1
[0021] Example 1 Preparation of fertilizer. Mix urea, monoammonium phosphate, potassium nitrate and calcium nitrate in proportions of 45 parts: 6 parts: 17 parts: 2.5 parts, mix and stir well; combine magnesium sulfate, ferrous sulfate, manganese sulfate, copper sulfate, zinc sulfate, borax and molybdenum Ammonium acid in proportions of 2.5 parts: 2 parts: 1.5 parts: 1.5 parts: 1.5 parts: 4 parts: 1.5 parts, mix and stir evenly; add 15 parts of 200-mesh fertilizer grade bentonite to the above two mixtures and mix them evenly in a fertilizer mixer. installed, and obtained the special compound fertilizer for the facility cultivation of winter jujube. The water content of the fertilizer is less than 1%, which meets the production requirements of high-concentration water-soluble fertilizer.
Embodiment 2
[0022] Field application of special fertilizer of embodiment 2: the special compound fertilizer for the facility cultivation of winter jujube is applied together with the irrigation water of winter jujube. The water supply pipe is evenly applied to the root soil of winter jujube. During the whole growth period of winter jujube, the control dosage is 200kg per 666.6m2. The fertilizer has been tested in the field test of winter jujube fertilizer efficiency in the Greenhouse Winter Jujube Base of Horse Farm in Qingxian County, and the comparison test of the yield and quality of winter jujube has been carried out using the compound fertilizer specially used for the facility cultivation of winter jujube in the same solar greenhouse at the same time period and the farmers' routine fertilization. Compared with the conventional fertilization of farmers, the compound fertilizer treatment increases the yield of winter jujube by 13.35% and saves the cost of fertilizer 268 yuan 666.6m 2 ...
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