Grape soilless culture nutrition solution, preparation method and use method thereof
A technology of soilless cultivation and nutrient solution, applied in the agricultural field, can solve the problems such as the lack of uniform standards for fertilization of grapes, the difficulty of precise control of fertilizer and water, and the inability to achieve precise control of fertilizer and water management. The effect of increasing leaf area and preventing imbalance of nutrient supply
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Embodiment 1
[0045] (1) Divide the supply of grape nutrient solution into 5 periods, and the formula of macronutrient nutrient solution in each period is as follows:
[0046]
[0047] (2) The formula and usage of trace element nutrient solution are as follows:
[0048] The trace element A formula is Fe49.15g, Zn5.22g, Cu4.81g, Mn12.14g; the trace element B formula is B0.077Kg.
[0049] Macronutrient fertilizer formula, water consumption and preparation method:
[0050]
[0051] Take the preparation of pre-germination nutrient solution as an example:
[0052] 1. Weigh KH 2 PO 4 (2.106Kg), Ca(NO 3 ) 2 (3.444Kg), K 2 CO 3 (1.851Kg), NH 4 NO 3 (1.720Kg), MgSO 4 (1.5Kg) in 39 tons of water of solution respectively, form a large amount of element mixed solution stand-by;
[0053] 2. Weigh the fertilizer used to prepare trace element A as FeSO 4 (133.407g), CuSO4 (12.025g), MnSO 4 (33.329g), ZnSO 4 (12.929g), trace element A fertilizer is mixed into each fertilizer in 4 times ...
Embodiment 2
[0064] The supply of grape nutrient solution is divided into 5 periods, and the formula of macronutrient nutrient solution in each period is as follows
[0065] The nutrient solution before germination is 39 tons of water, the content of N is 1.1kg, the content of P is 0.4kg, the content of K is 1.6kg, the content of Ca is 0.8kg, and the content of Mg is 0.2kg;
[0066] The nutrient solution at the beginning of flowering stage is 26 tons of water, the content of N is 1.1kg, the content of P is 0.4kg, the content of K is 1.2kg, the content of Ca is 1.1kg, and the content of Mg is 0.3kg;
[0067] The nutrient solution at the end flowering stage is 155 tons of water, N content 3.2kg, P content 1.1kg, K content 5kg, Ca content 3.8kg, Mg content 1.2kg;
[0068] The nutrient solution during the color change period is 156 tons of water, with a K content of 0.4kg, a Ca content of 0.6kg, and a Mg content of 0.3kg;
[0069] The nutrient solution during the harvest period is 60 tons of ...
Embodiment 3
[0081] The supply of grape nutrient solution is divided into 5 periods, and the formula of macronutrient nutrient solution in each period is as follows
[0082] The nutrient solution before germination is 39 tons of water, the content of N is 1.2kg, the content of P is 0.5kg, the content of K is 1.7kg, the content of Ca is 0.9kg, and the content of Mg is 0.4kg;
[0083] The nutrient solution at the initial flowering stage is 26 tons of water, 1.2kg of N content, 0.5kg of P content, 1.3kg of K content, 1.2kg of Ca content, and 0.4kg of Mg content;
[0084] The nutrient solution at the end flowering stage is 155 tons of water, 3.3kg of N content, 1.3kg of P content, 6kg of K content, 3.9kg of Ca content, and 1.4kg of Mg content;
[0085] The nutrient solution during the color change period is 156 tons of water, 0.5kg of K content, 0.7kg of Ca content, and 0.4kg of Mg content;
[0086] The nutrient solution in the harvesting period is 60 tons of water, 3.0kg of N content, 0.9kg ...
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