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Water culturing nutrient solution as well as preparation method and application thereof

A technology of hydroponic nutrient solution and nutrient elements, applied in the direction of application, fertilizer mixture, fertilization device, etc., to achieve the effect of benefiting growth, comprehensive and balanced nutrition, and enhancing stress resistance

Active Publication Date: 2012-07-18
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hydroponic nutrient solutions that exist on the market all have certain specificity, so a broad-spectrum and efficient hydroponic nutrient solution needs to be developed urgently

Method used

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  • Water culturing nutrient solution as well as preparation method and application thereof
  • Water culturing nutrient solution as well as preparation method and application thereof
  • Water culturing nutrient solution as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1: Fendai hydroponic nutrient solution

[0031] Fendai, belonging to Araceae, is an evergreen herb with oval leaves, green edges and yellow spots in the middle. It likes temperature, humidity and shade, and it is not suitable for direct sunlight. The optimum temperature for growth is 28°C. It is one of the most popular indoor ornamental flowers.

[0032] Fendai hydroponic nutrient solution is composed of the following raw materials:

[0033] Ammonium nitrate 3.6mmol / L, potassium nitrate 5.8mmol / L, potassium dihydrogen phosphate 1.5mmol / L, magnesium sulfate 2.05mmol / L, calcium chloride 11.7mmol / L, ferrous sulfate 0.085mmol / L, manganese sulfate 0.011mmol / L, zinc sulfate 0.009mmol / L, copper sulfate 0.00008mmol / L, sodium molybdate 0.0001mmol / L, cobalt chloride 0.00004mmol / L, γ-polyglutamic acid 140×10 -6 mmol / L, 0.00009 mmol / L of praseodymium nitrate in water. Concentrate the above raw materials by 100 times to prepare a nutrient solution, and adjust the pH to 5...

Embodiment 2

[0039] Embodiment 2: Lucky bamboo hydroponic nutrient solution

[0040] Lucky Bamboo belongs to the genus Dracaena in the family Pseudoleafaceae. It is a perennial evergreen herb that likes dampness and thick stems and leaves. It is often used as an ornamental plant and symbolizes "good luck".

[0041] Lucky bamboo hydroponic nutrient solution consists of the following raw materials:

[0042]Potassium nitrate 2.8mmol / L, potassium chloride 4.8mmol / L, ammonium nitrate 3.2mmol / L, ammonium chloride 4.2mmol / L, γ-polyglutamic acid 6100×10 -6 mmol / L, praseodymium nitrate in water 0.00012mmol / L, cerium nitrate in water 0.00015mmol / L, cesium nitrate in water 0.00023mmol / L. Concentrate the above raw materials by 200 times to prepare a nutrient solution, and adjust the pH to 6.9-7.1 with weak acid and weak base.

[0043] Take the lucky bamboo plant and the cultivation soil (material) out of the clay pot, put it in clean water and shake the roots gently to make the soil fall off, then c...

Embodiment 3

[0047] Example 3: Chlorophytum hydroponic nutrient solution

[0048] Chlorophytum, a perennial evergreen herb belonging to the family Liliaceae, likes a warm, humid, semi-shady environment with strong adaptability. It is a famous foliage flower and is known as "air flower". It has the effect of purifying the air, and its roots and whole plants can also be used as medicine.

[0049] Chlorophytum hydroponic nutrient solution is composed of the following raw materials:

[0050] Potassium nitrate 4.5mmol / L, ammonium nitrate 4.4mmol / L, calcium chloride 11.8mmol / L, magnesium sulfate 2.2mmol / L, dipotassium hydrogen phosphate 1.5mmol / L, manganese sulfate 0.009mmol / L, zinc sulfate 0.008mmol / L L, copper sulfate 0.00015mmol / L, ferrous sulfate 0.087mmol / L, γ-polyglutamic acid 305×10 -6 mmol / L, lanthanum nitrate in water 0.00012mmol / L. Concentrate the above raw materials by 100 times to prepare a nutrient solution, and adjust the pH to 6.6-7.0 with weak acid and weak base.

[0051] Aft...

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Abstract

The invention discloses a water culturing nutrient solution, comprising basic nutrient elements, gamma-glutamic acid, rare-earth elements and water. The invention further discloses a preparation method and application of the water culturing nutrient solution. The gamma-glutamic acid and the rare-earth elements in a formula of the water culturing nutrient solution disclosed by the invention have synergetic effect, can accelerate plant roots to absorb the nutrient elements, improve, prevent and treat nutrient deficiency symptoms of plants, and improve the quality of plants. The water culturing nutrient solution disclosed by the invention is pollution-free and does not pollute the environment after being applied. The water culturing nutrient solution disclosed by the invention is not only suitable for soilless culture of foliage flowers, such as Dief fenbachia, lucky bamboos and chlorophytum comosum, and is also suitable for leafy vegetables and melons and fruits, such as lettuces, greenvegetables, strawberries and muskmelon.

Description

technical field [0001] The invention relates to a hydroponic nutrient solution containing gamma-polyglutamic acid and rare earth elements, a preparation method and application thereof, and belongs to the application field of mixed fertilizers. Background technique [0002] Hydroponic nutrient solution is a new type of hydroponic plant nutrient solution synthesized by using environmental biological ecological symbiosis technology and the principle of mycorrhizal symbiosis through biological fermentation, chemical chelation, physical activation and other processes. It has the effect of improving plant nutrition and water quality, and can replace Soil provides plants with growth factors such as water, fertilizer, air, and heat, which can meet the conditions required for the growth of hydroponic plants. [0003] Hydroponics refers to a soilless cultivation method in which plant roots grow directly in the nutrient solution layer. At present, hydroponics is mostly used in flower ...

Claims

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Application Information

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IPC IPC(8): C05G1/00
Inventor 徐虹张丹冯小海李莎粱金丰张扬欧阳平凯
Owner NANJING UNIV OF TECH
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