Rich-selenium Chinese chestnut and production method thereof
A production method and chestnut technology, applied in the field of selenium-enriched chestnut and its production, can solve problems such as difficulty in controlling the selenium content of the product, troublesome operation of the punching infusion method, failure to meet the selenium content standard, etc., and achieve the improvement of agricultural products Quality, easy to popularize and apply, improve the efficacy of medicine and fertilizer
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Embodiment 1
[0011] Embodiment 1: Add 1 gram of Se (sodium selenate or sodium selenite white powder) with 16 liters of knapsack (hand, electric or motor-driven) sprayer, pour clear water to the full scale of the bucket, stir and dissolve, choose sunny days on leaves Spray evenly on the front and back sides, and spray the leaf crown area of about one mu per bucket of liquid, respectively on May 11 (initial flowering stage), May 25 (full flowering stage), June 10 (peak pollination stage), and August 6 Spray once each day (fruiting period), a total of four times, with an average of 4 grams of Se per mu. The mixed sample of fresh chestnuts was collected at the end of August for testing, and the content of selenium per kilogram of fresh chestnuts was 102.82 micrograms.
Embodiment 2
[0012] Embodiment 2: Add 1 gram of Se (sodium selenate or sodium selenite white powder) with 16 liters of knapsack (hand, electric or motor-driven) sprayer, pour clear water to the full scale of the bucket, stir and dissolve, choose sunny days on leaves Spray evenly on the front and back, and spray the leaf canopy area of about one mu per bucket of liquid. Spray once each on August 3 (pericarp formation period) and August 3 (expansion period), a total of 5 times, with an average of 5 grams of Se per acre of leaf canopy area, and at the same time add Huokangzhuangfeng to each barrel according to the product instructions. (disease prevention), Chestnut Chestnut Clear (deworming). At the beginning of September, a mixed sample of mature and fresh chestnuts was taken for testing: the selenium content was 178 micrograms per kilogram.
Embodiment 3
[0013] Embodiment 3: Add 2 grams of Se (sodium selenate or sodium selenite white powder) with 16 liters of knapsack (hand, electric or motor-driven) sprayer, pour clear water to the full scale of the bucket, stir and dissolve, choose sunny days in the leaves Spray evenly on the front and back sides, and spray the canopy area of about one mu per barrel of liquid. Use Se2 on June 17 (bud stage), July 18 (expansion stage), and August 7 (fruit stage) respectively. gram, each sprayed once, totally 3 times, the average per mu leaf canopy area uses Se6 gram, also adds urea, potassium dihydrogen phosphate, calcium treasure foliar fertilizer (boron zinc calcium, amino acid) at every turn by the commodity manual consumption simultaneously , The mixed sample of natural mature fresh chestnuts was taken during the harvest period in early September, and the selenium content was 340 micrograms per kilogram.
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