Fruit-vegetable nutrient solution for soilless culture and preparation method of fruit-vegetable nutrient solution
A soilless cultivation, nutrient solution technology, applied in inorganic fertilizer, application, nitrogen fertilizer and other directions, can solve the problems of nutrient solution precipitation, large pH change of nutrient solution, iron deficiency in fruits and vegetables, etc., to solve the problem of large pH change and stable chemical properties , better nutritional effect
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[0022] In other specific embodiments of the present invention, there is also provided a method for preparing a nutrient solution for soilless cultivation of fruits and vegetables, which includes the following steps: configuring liquid A, liquid B, and liquid C respectively, and the liquid A includes: Ca(NO 3 ) 2 4H 2 O: 1000~1080mg / L, KNO 3 : 300~320mg / L, the balance is water; the B liquid contains: KH 2 PO 4 : 125~140mg / L, MgSO 4· 7H 2 O: 380-400mg / L, the balance is water; the C liquid contains: EDDHA-Fe: 24-32mg / L, MnSO 4· h 2 O: 2~2.5mg / L, ZnSO 4 ·7H 2 O: 0.2~0.3mg / L, Na 2 B 4 o 7 10H 2 O: 2.5~3mg / L, CuSO 4 ·5H 2 O: 0.05~0.1mg / L, Na 2 MoO 4 2H 2 O: 0.01 ~ 0.03mg / L, the balance is water; take equal volumes of the liquid A, liquid B and liquid C and mix them, and concentrate the volume of the resulting mixed liquid to 1 / 3 to obtain a nutrient solution for soilless cultivation of fruits and vegetables .
[0023] In order to prevent precipitation after long-t...
Embodiment 1
[0026] A nutrient solution for soilless cultivation of fruits and vegetables, comprising: Ca(NO 3 ) 2 4H 2 O: 1000mg / L, KNO 3 : 300mg / L, KH 2 PO 4 : 135mg / L, MgSO 4 ·7H 2 O: 380mg / L, EDDHA–Fe (the mass percentage of Fe is not less than 6%): 30g / L, MnSO 4 ·H 2 O: 2.5mg / L, ZnSO 4· 7H 2 O: 0.2mg / L, Na 2 B 4 o 7· 10H 2 O: 2.5mg / L, CuSO 4· 5H 2 O: 0.1mg / L, Na 2 MoO 4· 2H 2 O: 0.03mg / L; the balance is water.
[0027] The preparation method of the soilless cultivation fruit and vegetable nutrient solution of the present embodiment is as follows: S1: configure A liquid, B liquid and C liquid respectively, and described A liquid comprises: Ca(NO 3 ) 2 4H 2 O: 1000mg / L, KNO 3 : 300mg / L, the balance is water; the B liquid contains: KH 2 PO 4 : 135mg / L, MgSO 4 ·7H 2 O: 380mg / L, the balance is water; the C liquid contains: EDDHA-Fe (the mass percentage of Fe is not less than 6%): 30g / L, MnSO 4 ·H 2 O: 2.5mg / L, ZnSO 4 ·7H 2 O: 0.2mg / L, Na 2 B 4 o 7 10H 2 O:...
Embodiment 2
[0030] A nutrient solution for soilless cultivation of fruits and vegetables, comprising: Ca(NO 3 ) 2· 4H 2 O: 1080mg / L, KNO 3 : 320mg / L, KH 2 PO 4 : 125mg / L, MgSO 4 ·7H 2 O: 385mg / L, EDDHA–Fe (the mass percentage of Fe is not less than 6%): 24mg / L, MnSO 4 ·H 2 O: 2mg / L, ZnSO 4 ·7H 2 O: 0.25mg / L, Na 2 B 4 o 7 10H 2 O: 2.7mg / L, CuSO 4· 5H 2 O: 0.08mg / L, Na 2 MoO 4· 2H 2 O: 0.02mg / L; the balance is water.
[0031] The preparation method of the soilless cultivation fruit and vegetable nutrient solution of the present embodiment is as follows: S1: configure A liquid, B liquid and C liquid respectively, and described A liquid comprises: Ca(NO 3 ) 2· 4H 2 O: 1080mg / L, KNO 3: 320mg / L, the balance is water; the B liquid contains: KH 2 PO 4 : 125mg / L, MgSO 4 ·7H 2 O: 385mg / L, the balance is water; the C liquid contains: EDDHA-Fe (the mass percentage of Fe is not less than 6%): 24mg / L, MnSO 4 ·H 2 O: 2mg / L, ZnSO 4 ·7H 2 O: 0.25mg / L, Na 2 B 4 o 7 10H 2 O...
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