Method for measuring physicochemical property of substrate in vegetable intensive seedling cultivation
A technology of physical and chemical properties and measurement methods, which is applied in the field of measurement of matrix physical and chemical properties in intensive vegetable seedling cultivation, can solve the problems of large deviation of physical and chemical data, unfavorable adjustment of seedling cultivation conditions, inconvenient rapid measurement, etc., and achieve reasonable sampling and high promotion. Value, extraction filter method easy to understand the effect
Inactive Publication Date: 2019-10-22
山东省寿光市三木种苗有限公司 +1
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Problems solved by technology
Using this method to measure the physical and chemical properties of the matrix takes a long time, and requires accurate calculation or conversion. It requires high scientific and technological quality for the practitioners of intensive vegetable seedling cultivation, and it is not convenient for rapid determination. And the measured physical and chemical data of the matrix The deviation from the real physical and chemical data is large, and the measurement accuracy is low, which is not conducive to the adjustment of seedling raising conditions
Method used
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Experimental program
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Effect test
Embodiment
[0014] Embodiment: Test location: the seedling room of Sanmu Breeding Base, Shouguang City, Shandong Province,
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Abstract
The invention relates to a method for measuring the physicochemical property of a substrate in vegetable intensive seedling cultivation. The method comprises the steps of: before the measurement of the physicochemical property of a vegetable plug seedling substrate, permeating the substrate with normal irrigation water to keep the substrate in a saturated state for more than 1 hour; taking the water-permeated substrate and the seedlings out of a plug, wherein the volume of the taken-out substrate is required to be over 100 ml, that is, a 72-hole plug requires the substrate of 5 holes; separating the seedlings from the substrate, wrapping the substrate in a filter towel, squeezing the water contained in the substrate, pouring the extracted solution directly into a beaker; filtering the extracted solution with filter paper, and directly measuring the filtered solution with a pH meter and an EC meter at room temperature to obtain the physicochemical property index around the substrate rhizosphere. The method is designed to be reasonable, practical and easy to operate based on the preparation method of the substrate solution, the extraction method of the substrate solution, and the filtration method of the substrate solution, so that the data of the physicochemical property of the substrate is accurate and the method is convenient and reasonable.
Description
technical field [0001] The invention relates to the technical field of vegetable seedling cultivation, in particular to a method for measuring the physical and chemical properties of substrates in intensive vegetable seedling cultivation. Background technique [0002] In the intensive seedling cultivation of vegetables, a large number of plugs and substrates are used for seedling cultivation. The seedling substrate absorbs water, fertilizer and moisture in different climates, temperatures, water quality and fertilizer application processes in various places. The absorption of beneficial elements during the growth of vegetable seedlings leads to continuous changes in the physical and chemical properties of the substrate, especially in the environment of high temperature, high humidity and high evaporation. And after fertilization, due to the absorption of vegetable seedlings and the adsorption of the substrate, the physical and chemical properties of the substrate change, and...
Claims
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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/18G01N1/34
CPCG01N1/34G01N33/18
Inventor 刘钊刘树森魏家鹏夏连芹宋正峰董玉梅伊鸿平
Owner 山东省寿光市三木种苗有限公司
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