Cultivation method for blueberries rich in selenium
A cultivation method and blueberry technology are applied in the cultivation field of selenium-enriched blueberry, which can solve the problems of reducing disease-removing ability and the like, and achieve the effects of simple cultivation method, ensuring absorption rate and reducing environmental pollution.
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Embodiment 1
[0011] A method for cultivating selenium-enriched blueberries, which involves spraying selenium fertilizers during the growth period of blueberries, specifically comprising: (1) Leaf-expanding stage: when the blueberries have completed leaf-expanding, 300 mg / kg of selenium fertilizer is sprayed, divided into Three times, with an interval of 24 hours; (2) Flowering period: fertilize the blueberry roots with selenium fertilizer at the end of flowering and pollination, and the application rate is 200kg per mu; (3) Fruiting period: 4 weeks before the blueberry matures, carry out 15 - Spray 22mg / kg of selenium fertilizer in three times with an interval of 24h; (4) After fruit harvest: After the fruit is harvested, apply selenium fertilizer to the roots of blueberries, 280kg per mu.
[0012] The composition of selenium fertilizer: 25 parts of soybean cake, 25 parts of rapeseed cake, 8 parts of potassium fertilizer, 5 parts of nitrogen fertilizer, 4 parts of phosphate fertilizer, 0.00...
Embodiment 2
[0015] A method for cultivating selenium-enriched blueberries, which involves spraying selenium fertilizers during the growth period of blueberries, specifically comprising: (1) Leaf-expanding stage: when the blueberries have completed leaf-expanding, spray 220 mg / kg of selenium fertilizer, divided into Three times, with an interval of 24 hours; (2) Flowering period: fertilize the blueberry roots with selenium fertilizer at the end of flowering and pollination, and the application rate is 100kg per mu; (3) Fruiting period: 4 weeks before the blueberry matures, carry out 15 - Spray 22mg / kg of selenium fertilizer in three times with an interval of 24h; (4) After the fruit is harvested: After the fruit is harvested, apply selenium fertilizer to the roots of the blueberry, 250kg per mu.
[0016] The composition of selenium fertilizer: 20 parts of soybean cake, 20 parts of rapeseed cake, 5 parts of potassium fertilizer, 3 parts of nitrogen fertilizer, 3 parts of phosphate fertilizer...
Embodiment 3
[0019] A method for cultivating selenium-enriched blueberries, which involves spraying selenium fertilizer during the growth period of blueberries, specifically comprising: (1) Leaf-expanding stage: when the blueberry leaves are unfolded, 250 mg / kg of selenium fertilizer is sprayed, divided into Three times, with an interval of 24 hours; (2) Flowering period: fertilize the blueberry roots with selenium fertilizer at the end of flowering and pollination, and the application rate is 150kg per mu; (3) Fruiting period: 4 weeks before the blueberry matures, carry out 15 - Spray 22mg / kg of selenium fertilizer in three times with an interval of 24h; (4) After the fruit is harvested: After the fruit is harvested, apply selenium fertilizer to the roots of the blueberry, 300kg per mu.
[0020] The composition of selenium fertilizer: 30 parts of soybean cake, 30 parts of rapeseed cake, 10 parts of potassium fertilizer, 7 parts of nitrogen fertilizer, 5 parts of phosphate fertilizer, 0.006...
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