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A kind of hydroponic nutrient solution and its application and coffee hydroponic method

A technology for hydroponic nutrient solution and nutrient solution, which is applied in the field of plant cultivation, can solve the problems of poor coffee growth state and unsuitability for coffee, etc., and achieve the effects of improving growth state, promoting coffee chlorophyll content and plant nitrogen content.

Active Publication Date: 2019-09-03
SPICE & BEVERAGE RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, due to the unique physiological and ecological characteristics of coffee, the ratio of various nutrient elements in the existing Hoagland nutrient solution is not suitable for coffee, and the growth status of coffee is poor.

Method used

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  • A kind of hydroponic nutrient solution and its application and coffee hydroponic method
  • A kind of hydroponic nutrient solution and its application and coffee hydroponic method
  • A kind of hydroponic nutrient solution and its application and coffee hydroponic method

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Effect test

Embodiment 1

[0041] Embodiment 1: Hydroponic nutrient solution of the present invention

[0042]The concentrations of N, P, K, Ca, Mg, S, Zn, Cu, Mn, B, Mo, Fe and Cl are 20mmol / L, 4mmol / L, 12mmol / L, 5mmol / L, 5mmol / L, 5mmol / L, 0.000765mmol / L, 0.000316mmol / L, 0.006722mmol / L, 0.04625mmol / L, 0.0005mmol / L, 0.02mmol / L and 4mmol / L, pH 5.8, ammonium nitrogen and nitrate nitrogen in N The concentration ratio is 7:3;

[0043] N is ammonium sulfate, ammonium chloride, ammonium nitrate and potassium nitrate; P is sodium dihydrogen phosphate and potassium dihydrogen phosphate; K is potassium dihydrogen phosphate, potassium nitrate and potassium chloride; Ca is calcium chloride; Mg is sulfuric acid Magnesium and magnesium chloride; S is magnesium sulfate, ammonium sulfate, zinc sulfate, copper sulfate and manganese sulfate; the Zn is zinc sulfate; Cu is copper sulfate; the Mn is manganese sulfate; B is boric acid; ; Cl is ammonium chloride, potassium chloride, calcium chloride and magnesium chloride...

Embodiment 2

[0044] Embodiment 2: Hydroponic nutrient solution of the present invention

[0045] The concentrations of N, P, K, Ca, Mg, S, Zn, Cu, Mn, B, Mo, Fe and Cl are 20mmol / L, 4mmol / L, 12mmol / L, 5mmol / L, 5mmol / L, 5mmol / L, 0.000765mmol / L, 0.000316mmol / L, 0.006722mmol / L, 0.04625mmol / L, 0.0005mmol / L, 0.02mmol / L and 4mmol / L, pH 5.8, ammonium nitrogen and nitrate nitrogen in N The concentration ratio is 3:7;

[0046] N is ammonium sulfate, ammonium chloride, calcium nitrate and sodium nitrate; P is sodium dihydrogen phosphate and potassium dihydrogen phosphate; K is selected from potassium dihydrogen phosphate, potassium sulfate and potassium chloride; Ca is calcium nitrate and calcium chloride Mg is magnesium sulfate and magnesium chloride; S is magnesium sulfate, ammonium sulfate, potassium sulfate, zinc sulfate, copper sulfate and manganese sulfate; Zn is zinc sulfate; the Cu is copper sulfate; Mn is manganese sulfate; B is boric acid; is molybdic acid; Cl is ammonium chloride, pota...

Embodiment 3

[0047] Embodiment 3: the hydroponic nutrient solution of the present invention

[0048] The concentrations of N, P, K, Ca, Mg, S, Zn, Cu, Mn, B, Mo, Fe and Cl are 20mmol / L, 4mmol / L, 12mmol / L, 5mmol / L, 5mmol / L, 5mmol / L, 0.000765mmol / L, 0.000316mmol / L, 0.006722mmol / L, 0.04625mmol / L, 0.0005mmol / L, 0.02mmol / L and 4mmol / L, pH 5.8, ammonium nitrogen and nitrate nitrogen in N The concentration ratio is 1:1;

[0049] N is ammonium sulfate, ammonium chloride, potassium nitrate, sodium nitrate; P is sodium dihydrogen phosphate, potassium dihydrogen phosphate; K is potassium dihydrogen phosphate, potassium sulfate, potassium nitrate, potassium chloride; Ca is self-calcium chloride ; Mg is magnesium sulfate, magnesium chloride; S is magnesium sulfate, ammonium sulfate, potassium sulfate, zinc sulfate, copper sulfate and manganese sulfate; Zn is zinc sulfate; Cu is copper sulfate; Mn is manganese sulfate; B is boric acid; Mo is molybdenum acid; Cl is calcium chloride, ammonium chloride,...

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Abstract

The invention relates to the field of plant cultivation and discloses hydroponic coffee nutrient solution and application thereof and a coffee water planting method. The nutrient solution comprises N, P, K, Ca, Mg, S, Zn, Cu, Mn, B, Mo, Fe and Cl, wherein the concentration ratio between ammonium nitrogen and nitrate nitrogen in the N is (3 to 7) to (7 to 3). By means of adjusting the composition of nutrient elements of the nutrient solution, the proportion of all the elements, the Cl concentration and the proportion of the ammonium nitrogen and the nitrate nitrogen in the N, the novel nutrient solution suitable for hydroponic coffee is obtained. The hydroponic nutrient solution solves the problem that the existing Hoagland nutrient solution is not suitable for the hydroponic coffee growth and causes the fact that coffee is weak in growth, improves the chlorophyll content, the biomass and the plant nitrogen content of the coffee and also ensures the aspects of the plant height, the stem diameter, the whole plant dry weight, the leaf dry weight, the stem dry weight, the root dry weight and the leaf area of the coffee to be in a better growth state.

Description

technical field [0001] The invention relates to the field of plant cultivation, in particular to a hydroponic nutrient solution and its application and a coffee hydroponic method. Background technique [0002] The coffee industry is an emerging industry for farmers in tropical mountainous areas in my country to get rid of poverty and become rich. By the end of 2012, China's coffee planting area exceeded 1.3 million mu, with an annual output of 69,000 tons of green coffee beans and an output value of 1.762 billion yuan. The coffee industry has become another characteristic emerging pillar industry after tobacco, sugar, tea, and gum. [0003] But at present, coffee is mainly planted in soil culture medium or sand culture medium. If the conditions are not suitable, it will often stop growing after transplanting, and the leaves will wilt, resulting in death. At the same time, the coffee root system is shallow, with many fibrous roots and fragile roots. Therefore, under field co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G1/00C05G1/06
Inventor 林兴军董云萍孙燕陈鹏黄丽芳陆敏泉谭乐和
Owner SPICE & BEVERAGE RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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