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Boston butterhead lettuce water-culture nutrient solution and preparation method thereof

A hydroponic nutrient solution and nutrient solution technology, applied in the field of plant nutrition and fertilizer, to achieve the effect of sufficient raw materials, easy storage and simple process

Inactive Publication Date: 2009-07-29
SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a kind of lettuce hydroponic nutrient solution and its preparation method with simple process, sufficient raw materials and easy implementation, so as to solve the nutrient supply problem of lettuce produced in industrialized production by hydroponic method

Method used

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  • Boston butterhead lettuce water-culture nutrient solution and preparation method thereof
  • Boston butterhead lettuce water-culture nutrient solution and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] 1) Dissolution of large and medium elements: take a 2000L plastic container, set the scale at 1000L in advance, put it into 700L of tap water, weigh and pour in 55kg of calcium nitrate tetrahydrate, 90kg of potassium nitrate, 6kg of ammonium nitrate, and magnesium sulfate heptahydrate 19kg, potassium sulfate 5.5kg, and sodium azide 0.25kg, stir with a plastic stick to mix the above drugs evenly, slowly add 25L of concentrated phosphoric acid at a speed of 5L / min, and stir evenly with a plastic stick to obtain large and medium element solutions.

[0043] 2) Dissolution of trace elements: Take a 100L plastic container, put in 55L of hot water at a temperature of 55°C, put in 1.5kg of iron ethylenediaminetetraacetate, 0.3kg of boric acid, 0.3kg of manganese sulfate tetrahydrate, heptahydrate 75g of zinc sulfate, 75g of copper sulfate pentahydrate, and 30g of ammonium molybdate tetrahydrate were stirred with a plastic rod to mix the above-mentioned medicines evenly. Cool to...

Embodiment 2

[0047] 1) Dissolution of large and medium elements: take a 1500L plastic container, set the scale at 1000L in advance, put it into 680L of tap water, weigh and pour in 60kg of calcium nitrate tetrahydrate, 80kg of potassium nitrate, 7kg of ammonium nitrate, and magnesium sulfate heptahydrate 20kg, potassium sulfate 6kg, sodium azide 0.3kg, stir with a plastic stick to mix the above drugs evenly, slowly add 25L of concentrated phosphoric acid at a speed of 5L / min, stir evenly with a plastic stick, and get large and medium element solutions.

[0048] 2) Dissolution of trace elements: Take a 100L plastic container, put in 60L of hot water at a temperature of 50°C, put in 1kg of iron ethylenediaminetetraacetate, 0.2kg of boric acid, 0.1kg of manganese sulfate tetrahydrate, sulfuric acid heptahydrate 50g of zinc, 100g of copper sulfate pentahydrate, and 40g of ammonium molybdate tetrahydrate were stirred with a plastic rod to mix the above-mentioned medicines evenly. Cool to obtain...

Embodiment 3

[0052] 1) Dissolution of large and medium elements: take a 1000L plastic container, set the scale at 1000L in advance, put it into 650L of tap water, weigh and pour in 50kg of calcium nitrate tetrahydrate, 100kg of potassium nitrate, 5kg of ammonium nitrate, and magnesium sulfate heptahydrate 18kg, potassium sulfate 5kg, and sodium azide 0.2kg, stir with a plastic stick to mix the above drugs evenly, slowly add 20L of concentrated phosphoric acid at a speed of 4L / min, and stir evenly with a plastic stick to obtain large and medium element solutions.

[0053] 2) Dissolution of trace elements: Take a 100L plastic container, put it into hot water at 50°C and 60°C, put in 2kg of iron ethylenediaminetetraacetate, 0.4kg of boric acid, 0.3kg of manganese sulfate tetrahydrate, and sulfuric acid heptahydrate 100g of zinc, 50g of copper sulfate pentahydrate, and 20g of ammonium molybdate tetrahydrate were stirred with a plastic rod to mix the above-mentioned medicines evenly. Cool to ob...

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Abstract

The invention relates to plant nutrition and fertilizer technology, in particular to a cheese ball lettuce water culture nutrient solution and a preparation method thereof. The mother liquor of the nutrient solution comprises the following components: 50 to 60g / L of tetrahydrate calcium nitrate, 80 to 100g / L of niter, 5 to 7g / L of ammonium nitrate, 18 to 20g / L of heptahydrate magnesium sulfate, 5 to 6g / L of potassium sulfate, 20 to 25g / L of phosphoric acid, 1 to 2g / L of ethylenediamine tetraacetic acid, 0.2 to 0.4g / L of boric acid, 0.1 to 0.3 g / L of tetrahydrate manganese sulfate, 0.05 to 0.1g / L of heptahydrate zinc sulfate, 0.05 to 0.1g / L of blue vitriol, 0.02 to 0.04g / L of tetrahydrate ammonium molybdate, 0.2 to 0.3g / L of sodium azide, and the balance being water. The preparation method comprises the following steps: respectively dissolving the macroelements, medium elements and microelements in water, carrying out the even mixing, setting the volume, obtaining the mother liquor, and obtaining the nutrient solution which is prepared by mixing mother liquor and water pro rata. The invention has the advantages of simple process, sufficient raw materials, and easy implementation. The invention solves the problem of the nutrient supply for the water culture industrialized production of cheese ball lettuce.

Description

technical field [0001] The invention relates to plant nutrition and fertilizer technology, in particular to a casein ball lettuce hydroponic nutrient solution and a preparation method thereof. Background technique [0002] Vegetable soilless cultivation is one of the most advanced cultivation techniques in the world today. Since soilless cultivation has many advantages over soil cultivation, the development of soilless cultivation area has shown a linear upward trend in recent years. Generally, the types of soilless cultivation mainly include There are three types of hydroponics, rockwool cultivation and matrix cultivation. Compared with soil-grown vegetables, hydroponics has many advantages: (1) Soil-grown vegetables are stained with soil and are inconvenient to clean, while hydroponically grown leafy vegetables are of better quality than soil-grown leafy vegetables, clean, tender, good in taste, and of high quality; (2) The operation of soil cultivation vegetables is cumb...

Claims

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Application Information

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IPC IPC(8): A01G31/00
Inventor 姜勇张玉革梁文举
Owner SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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