Rice seedling strengthening agent with phosphoric acid as pH regulator and phosphorus source and preparation method and application thereof

Abstract

The invention discloses a rice seedling strengthening agent with phosphoric acid as a pH regulator and a phosphorus source and a preparation method and application thereof. Raw materials of the seedling strengthening agent comprise the following ingredients (by weight): 30-50 parts of phosphoric acid, 10-25 parts of monoammonium phosphate, 10-15 parts of potassium sulfate, 10-12 parts of zinc sulfate, 5-8 parts of ammonium sulfate, 2-6 parts of manganese sulfate, 6-9 parts of ammonium molybdate, 3-7 parts of potassium chloride, 20-25 parts of brown coal, 15-25 parts of industrial residue, 10-15 parts of Chinese medical stone, 15-20 parts of zeolite powder, 10-15 parts of phosphogypsum, 5-10 parts of humus soil, 5-15 parts of diatomite, 15-25 parts of rice hull ash, 10-15 parts of plant ash, 100-150 parts of livestock manure fermentation broth, 35-45 parts of straw pellets, 10-15 parts of vinasse, and 5-10 parts of a bactericide.

Description

technical field [0001] The invention relates to the field of agricultural technology, in particular to a rice seedling-strengthening agent using phosphoric acid as an acid-adjusting agent and a phosphorus source, and a preparation method and application thereof. Background technique [0002] Rice is a traditional crop in my country, and it is also the main variety of food production in my country. The growth of rice in the seedbed directly affects its growth and quality and yield in the later stage. Rice is an acid-loving crop, and the suitable pH value is 4.5-5.5. The acidic environment can effectively promote the development of plants in the growth stage of seedlings, promote root system development and protect seedlings. There are various pathogenic bacteria in the rice seedling soil, which can easily induce rice blight, bacterial wilt and other diseases. Seedling strengthening agent is generally used in the initial stage of rice growth. The current rice seedling streng...

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Problems solved by technology

[0013] The main problems in application are ① too much fertilizer and poor packing effect

②There are more than 40 kinds of seedling strengthening agents in the market, and more than 50% of the seedling strengthening agent varieties are ambiguous in dosage, and growers often burn seedlings by relying on empirical dosage

③ After using seedling strengthening agent, use rooting powder, rooting treasure, rooting spirit and other artificially synthesized plant growth regulators repeatedly. The total amount of plant growth regulators is too large, causing phytotoxicity in rice

④ Excessive use of fungicides and transplanting agents or transplanting agents after using seedling strengthening agents can cause rice phytotoxicity

[0014] For this reason, there is an urgent need to provide a rice seedling strengthening agent to solve the problem that the currently used rice seedling strengthening agent has low nutrient element content, no obvious promotion effect on the germination rate and emergence rate of seeds, large dosage per unit area, high production cost, and transportation cost. High, labor-intensive fertilization and cumbersome fertilization process, labor-intensive and time-consuming problems

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