Humic acid multifunctional degradable black mulch film
A technology of black mulch and humic acid, which is applied in the direction of plant protection covers, organic fertilizers, fertilizer mixtures, etc., can solve the problems of inconvenient transportation, high transportation costs, and high costs, so as to save manpower and material resources, reduce production costs, and improve heat absorption performance effect
Inactive Publication Date: 2009-07-15
SHANDONG UNIV OF SCI & TECH
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The invention provides a multifunctional degradable black ground film containing humic acid. A component system of the ground film comprises the humic acid, sodium hydrate or potassium hydroxide, cross linker, film forming agent, water glass, microbiological fertilizer, pesticide, herbicide, etc. The ground film not only has common biological and light degradation functions, and but also can be suitable for different crops through regulating the category and the content of the film forming agent, the pesticide, the herbicide and the microbiological fertilizer according to the growth demand of different crops. The ground film is liquid or powder, wherein the powder ground film is convenient to transport, but becomes liquid when being melted by hot water and stirred during use; and the liquid ground film is used for field spraying and manufacturing films, so as to save labor and time.
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