Nutrient solution suitable for deep-flow hydroponic lettuce and hydroponic method
A deep-water flow hydroponics, nutrient solution technology, applied in fertilization methods, botanical equipment and methods, cultivation and other directions, can solve the problems of containing harmful substances, leggy, high morbidity, shorten the growth cycle, prevent iron deficiency, Growing effect
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Embodiment 1
[0105] Embodiment 1 A kind of nutrient solution suitable for hydroponic lettuce in deep liquid flow and its preparation method
[0106] A kind of nutrient solution suitable for hydroponic lettuce in deep liquid flow of the present invention comprises A liquid and B liquid, and described A liquid and B liquid comprise following nutrient composition respectively:
[0107] The A liquid includes:
[0108] 3000 parts of potassium nitrate;
[0109] Potassium dihydrogen phosphate 5000 parts;
[0110] 500 parts of magnesium sulfate;
[0111] 150 parts of manganese sulfate;
[0112] 5 parts of borax;
[0113] 10 parts of copper sulfate;
[0114] 10 parts of zinc sulfate;
[0115] 1.5 parts of sodium molybdate.
[0116] Described potassium nitrate: about 13.5% of total nitrogen content, K 2 About 46%;
[0117] The potassium dihydrogen phosphate: KH 2 PO 4 The content is about 98%;
[0118] The magnesium sulfate: the Mg content is about 9.5%, and the S content is about 12.5%;...
Embodiment 2-3
[0148] Embodiment 2-3 A kind of nutrient solution suitable for hydroponic lettuce in deep liquid flow and its preparation method
[0149] Same as Example 1, the difference is that parts by weight are different, specifically:
Embodiment 2
[0151] The A liquid includes:
[0152] 3000 parts of potassium nitrate;
[0153] Potassium dihydrogen phosphate 4000 parts;
[0154] 1000 parts of magnesium sulfate;
[0155] 100 parts of manganese sulfate;
[0156] 10 parts of borax;
[0157] 7 parts of copper sulfate;
[0158] 20 parts of zinc sulfate;
[0159] Sodium molybdate 1 part.
[0160] The B liquid includes:
[0161] 5000 parts of calcium ammonium nitrate;
[0162] EDDHA chelated iron 30 parts;
[0163] Amino acid 5 parts.
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