Nutrient solution special or water culture of lettuce and preparing method of nutrient solution

A technology of nutrient solution and lettuce water, applied in application, fertilizer mixture, fertilization device, etc., can solve problems such as lettuce pollution, achieve the effects of increasing chlorophyll content, promoting absorption and utilization, and accelerating synthesis

Inactive Publication Date: 2015-11-04
SHANDONG MINHE BIOTECHNOLOGY CO LTD
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AI Technical Summary

Problems solved by technology

Therefore, some nutrient solution formulas adding fungicides have appeared at present, which solve

Method used

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Embodiment Construction

[0022] The principles and features of the present invention are described below, and the examples are only used to explain the present invention, but not to limit the scope of the present invention.

[0023] Take the preparation of 1000ml nutrient solution as an example

[0024] (1) According to the formula of the special nutrient solution for lettuce hydroponics, prepare the A1 solution with a concentration ratio of 500 times: calcium nitrate tetrahydrate 236g / T, potassium nitrate 133.5g / T, and ammonium nitrate 26.5g / T. It is the A2 liquid of potassium dihydrogen phosphate 50g / T, potassium sulfate 58g / T, magnesium sulfate heptahydrate 123g / T, and the ratio is chelated iron 10-20g / T, boric acid 1.43g / T, manganese sulfate 1.065g / T , zinc sulfate 0.11g / T, copper sulfate 0.04g / T, ammonium molybdate 0.01g / T trace element B liquid; and anaerobic fermentation broth produced by anaerobic fermentation, using physical purification process, through multi-stage membrane concentration Th...

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Abstract

The invention relates to a nutrient solution special for water culture of lettuce and a preparing method of the nutrient solution, and belongs to the technical field of nutrient solutions of water-cultured lettuce. A formula of the nutrient solution special for water culture of the lettuce comprises a major element solution A, a microelement solution B and a chicken manure biogas slurry solution C. The major element solution A comprises the solution A1 and the solution A2, wherein the solution A1 is composed of 236 g/T of calcium nitrate terahydrate, 133.5 g/T of potassium nitrate and 26.5 g/T of ammonium nitrate, and the solution A2 comprises 50 g/T of monopotassium phosphate, 58 g/T of potassium sulphate and 123 g/T of magnesium sulfate heptahydrate. The microelement solution B comprises 10-20 g/T of chelated iron, 1.43 g/T of boric acid, 1.065 g/T of manganese sulfate, 0.11 g/T of zinc sulfate, 0.04 g/T of copper sulfate and 0.01 g/T of ammonium molybdate. The chicken manure biogas slurry solution C is composed of 2, 000 ml of a concentrated solution of a high-concentration chicken manure fermentation solution. The concentrated solution of the high-concentration chicken manure fermentation solution is added, the using amount of nutrient elements is reduced by 30-50%, and environment friendliness is achieved. The quality of the water-cultured lettuce is improved, static cultivation is achieved, and the lettuce becomes mature earlier by around 7 days.

Description

technical field [0001] The invention relates to a nutrient solution formula and a preparation method thereof, in particular to a special nutrient solution formula for lettuce hydroponics and a preparation method thereof, belonging to the technical field of hydroponic lettuce nutrient solution. Background technique [0002] The existing formula is completely composed of inorganic nutrient elements, and it is necessary to add acid and alkaline substances such as citric acid, phosphoric acid, etc. to adjust the pH value, resulting in a waste of elements; and the usage amount is large, resulting in a waste of resources and environmental pollution. [0003] The general nutrient solution formulations are all inorganic nutrients, which have poor self-buffering properties, and the nutrient solution responds quickly, that is, the concentration changes significantly, and the increase or decrease of the fertilizer concentration (nutrient ion concentration) will cause physiological obsta...

Claims

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Application Information

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IPC IPC(8): C05G1/00
Inventor 付传翠董泰丽张东明
Owner SHANDONG MINHE BIOTECHNOLOGY CO LTD
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