Pakchoi fertilizing method capable of reducing nitrate content
A technology of nitrate content and fertilization method is applied in the fertilization field of reducing the nitrate content of pakchoi, and can solve the problems of imbalanced nutrient ratio, acidification of vegetable garden soil, reduction of vegetable yield and quality, etc., and achieves insignificant difference, improved yield and solubility. The effect of increasing sugar content and vitamin C content
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Embodiment 1
[0016] Will contain organic matter 39.87%, N 2.445% (4.9kg / mu), P 1.262% (2.5kg / mu), K 1.83% (3.7kg / mu), Ca 2.3% (4.6kg / mu), Mg 0.56% ( 1.1kg / mu), B 26.77mg / kg (5.4g / mu), Mo 1.27mg / kg (0.25g / mu) decomposed chicken manure 200kg and Mo 54% (27g / mu) ammonium molybdate (NH 4 ) 6 Mo 7 o 24 4H 2 O 50g is used as the base fertilizer of 1 mu, and is buried in the planting ditch before the pakchoi seedlings are transplanted.
[0017] Contain N 18% (9kg / mu), contain P 3.5% (1.8kg / mu) and contain K 9.96% (5kg / mu) Vegetable-specific compound fertilizer 50Kg is divided into 4 parts equally as the topdressing of 1 mu, gradation Drench with boiling water, drench for the first time after the vegetable seedlings survive, and then once a week for a total of four times.
Embodiment 2
[0019] Will contain organic matter 23.74%, N 1.956% (3.9kg / mu), P 1.558% (3.1kg / mu), K 2.024% (4.0kg / mu), Ca 3.3% (6.6kg / mu), Mg 0.612% ( 1.2kg / mu), B 27.76mg / kg (5.6g / mu), Mo 1.10mg / kg (0.22g / mu) decomposed pigeon manure 200kg as base fertilizer, buried in the planting ditch before the cabbage seedling transplantation.
[0020] Contain the urea 17.4kg of N 46% (8.0kg / mu), contain the superphosphate 19.0kg of P 5.24% (1.0kg / mu), contain the potassium chloride 13.3Kg of K 49.8% (6.6kg / mu), Ammonium molybdate (NH 4 ) 6 Mo 7 o 24 4H 2 Each of O 67g is divided into 4 parts, mixed as topdressing, gradated boiling water drenching, drenching the first time after the vegetable seedlings survived, drenching once a week thereafter, and drenching four times in total.
Embodiment 3
[0022] Will contain organic matter 39.87%, N 2.445% (12.2kg / mu), P 1.262% (6.3kg / mu), K 1.830% (9.2kg / mu), Ca 2.3% (11.5kg / mu), Mg 0.560% ( 2.8kg / mu), B 26.77mg / kg (13.4g / mu), Mo 1.27mg / kg (0.6g / mu) decomposed chicken manure 500kg and Mo 54% (15g / mu) ammonium molybdate (NH 4 ) 6 Mo 7 o 24 4H 2 O 27.8g is used as the base fertilizer of 1 mu, and it is buried in the planting ditch before the pakchoi seedlings are transplanted.
[0023] With urea 10.8kg containing N 46% (5.0kg / mu), calcium superphosphate 17.2kg containing P 5.24% (0.9kg / mu), potassium chloride 6.63Kg containing K 49.8% (3.3kg / mu) Divide it into 4 parts, mix it as topdressing, and pour it with boiled water in stages, the first time after the vegetable seedlings survive, and then once a week, for a total of four times.
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