Foliar top-dress fertilizer used for improving pear tree fruit setting rate, and preparation method thereof
A technology of foliar topdressing and fruit setting rate, which is applied in the direction of fertilization device, fertilizer mixture, application, etc., can solve the problems of poor effect and uneven dosage, and achieve the effects of increasing fruit setting rate, reducing fruit shrinkage disease, and increasing income
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[0024] The preparation method of the above-mentioned foliar topdressing for improving the fruit setting rate of pear trees comprises the following steps:
[0025] (1) Weigh potassium dihydrogen phosphate, borax, copper sulfate, quicklime, zinc sulfate, ferrous sulfate, urea, sucrose and ammonium molybdate, set aside;
[0026] (2) Add copper sulfate and quicklime to 100 times the weight of water, stir well and set aside;
[0027] (3) Add potassium dihydrogen phosphate, borax, zinc sulfate, ferrous sulfate, urea, sucrose and ammonium molybdate into clear water with 100 times the weight, stir well and set aside;
[0028] (4) Mix the products of step (2) and step (3) in a weight ratio of 1:1 to obtain a finished product.
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[0030]
[0031] 1. Add copper sulfate and quicklime to 100 times the weight of water, stir well and set aside;
[0032] 2. Add potassium dihydrogen phosphate, borax, zinc sulfate, ferrous sulfate, urea, sucrose and ammonium molybdate into 100 times the weight of clean water, stir well and set aside;
[0033] 3. The products of step (2) and step (3) are mixed in a weight ratio of 1:1 to obtain a finished product.
[0034] Spray 4 times throughout the year, choose sunny days with little wind, evenly spray the crown, 2 times in the growth period, 2 times in the later period, and carry out the last time 20 days away from the fruit harvest period.
[0035] After spraying the foliar topdressing of the present invention, the fruit setting rate increases by 10%, and the yield increases by 8%.
[0036] In the present invention, potassium dihydrogen phosphate, borax, copper sulfate, quicklime, zinc sulfate, ferrous sulfate, urea, sucrose and ammonium molybdate are used as raw mater...
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