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Nutrient medium for plant ecological cultivation, and its preparation method

A nutrient base and ecological technology, which is applied to the nutrient base for plant ecological cultivation and the field of preparation thereof, can solve the problems of affecting crop yield and quality, high content of impurities in mixtures, and low plant nutrient utilization rate, etc., so as to improve crop stress resistance. properties, water retention time, and the effect of improving food safety

Inactive Publication Date: 2006-05-10
ZHEJIANG UNIV
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, domestic artificial cultivation substrates mostly use natural peat soil, river mud, and microbial fermented organic fertilizers, which are used alone or simply mixed together, and are also used as soil improvers. The following shortcomings are common in use: 1) There are no strict standards for products, Incomplete nutrition, unstable nutritional balance
2) The mixed mixture has high impurity content, which directly affects the yield and quality of crops
3) The nutrient utilization rate of plants is low, which is easy to cause agricultural non-point source pollution

Method used

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  • Nutrient medium for plant ecological cultivation, and its preparation method

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Embodiment

[0044] 1) Pass fly ash through a 280-mesh sieve, take 562kg, pulverize leather charcoal humic acid and pass through a 80-mesh sieve, take 18.4kg, ferment corn stalks into decomposed matter, dry and crush and sieve to 0.2-2cm, separate debris , take 80kg, add 60kg of acrylamide water-retaining agent, and fully mix under stirring conditions;

[0045] 2) Preparation of nutrient solution:

[0046] Take 472g of calcium nitrate, 303g of potassium nitrate, 57.8g of ammonium phosphate, and 246g of magnesium sulfate and dissolve them in 500L of distilled water, and put them in a storage tank, then add 6.9g of ferrous sulfate heptahydrate, 9.3g of disodium edetate, and 2.1g of potassium iodide mg, boric acid 15.5mg, manganese sulfate 55.7mg, zinc sulfate 21.5mg, sodium molybdate 0.6mg, copper sulfate 0.06mg and cobalt chloride 0.06mg to prepare a solution, and then add α-naphthaleneacetic acid (NAA) auxin 0.38 kg and VC0.45kg, fully stirred to prepare a complete nutrient solution;

[...

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Abstract

A nutritive medium for ecologically culturing plant is prepared from powdered coal ash, strew and stalk, fermented plants, and other nutritive, water-saving and rooting components. It can increase survival rate and yield of crops.

Description

technical field [0001] The invention relates to a nutrient base for plant ecological cultivation and a preparation method thereof. Background technique [0002] In recent years, ecological construction and facility agricultural production have developed rapidly in large and medium-sized cities and suburbs. Plant nutrient substrates are used in the production of high-quality agricultural products and the planting of fruits and vegetables, flowers, and special economic crops, urban landscaping, rapid breeding of forest seedlings, and production of vegetation restoration on barren hills, etc. The demand for applications has increased dramatically. At present, on the basis of the original single function of providing plant nutrition, the plant cultivation nutrient matrix is ​​developing in multiple functions such as supplying specific nutrients required by plants, enhancing disease resistance, drought resistance, ensuring seedling breeding and crop growth ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00C05G1/00
Inventor 刘志强王根轩张浩
Owner ZHEJIANG UNIV
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