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A technology of improver and biological bacteria, which is applied in land preparation methods, fertilizer mixtures, organic fertilizers, etc., can solve problems such as unfavorable plant growth, low number of microorganisms, and insufficient ability to improve organic matter content.
Inactive Publication Date: 2018-06-12
SHANDONG SHENGJING TOURISM DEV CO LTD
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Problems solved by technology
However, due to the compaction and barrenness of the saline-alkali soil, low fertility and high soil pH, it is not conducive to plant growth
[0004] Soil improver plays an important role in the improvement of saline-alkali land, and microbial bacterial agent is also a development direction, but the existing soil improver has the following defects: (1) the microorganisms in the improver are easily inactivated during transportation and storage and cannot (2) The ability to improve saline-alkali land is limited, and the soil pH and alkalization degree cannot be reduced at the same time; (3) The ability to increase the organic matter content in the soil is insufficient; (4) The improvement effect on soil water-holding pores is not good; (5) ) The number of microorganisms in the improved soil is less
[0005]
In summary, there are obviously inconveniences and defects in the actual use of the existing technology, so it is necessary to improve
Method used
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Embodiment 1
[0044] In the D step, the high-sulfur composite bacteria powder, organic additives and medium and trace element additives are mixed in a weight ratio of 55:35:15, fermented, pulverized, and granulated to obtain a saline-alkali land biological bacteria improver;
[0045] The above-mentioned saline-alkali land biological bacteria improver was used in the application experiment of saline-alkali land, and the application effect was as follows: the yield per mu of corn increased by 17%, the yield per mu of August melon increased by 8%, the yield of peanut increased by 12%, the water-soluble salt decreased by 33.1%, and the pH value decreased 1.31.
Embodiment 2
[0047] In the D step, the high-sulfur composite bacteria powder, organic additives and medium and trace element additives are mixed in a weight ratio of 50:30:20, fermented, pulverized, and granulated to obtain a saline-alkali land biological bacteria improver;
[0048] The above saline-alkali land biological bacteria improver was used in saline-alkali land application experiments, and the application effects were as follows: the yield per mu of corn increased by 19%, the yield per mu of August melon increased by 9%, the yield of peanuts increased by 13%, the water-soluble salt decreased by 34.3%, and the pH value decreased 0.89.
Embodiment 3
[0050]In the D step, the high-sulfur composite bacteria powder, organic additives and medium and trace element additives are mixed in a weight ratio of 60:15:25, fermented, pulverized, and granulated to obtain a saline-alkali land biological bacteria improver;
[0051] The above-mentioned saline-alkali land biological bacteria improver was used in the saline-alkali land application experiment, and the application effect was as follows: the yield of corn increased by 15%, the yield of August melon increased by 8.5%, the yield of peanut increased by 11%, the water-soluble salt decreased by 31.9%, and the pH value decreased 1.01.
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Abstract
The invention relates to the technical field of improver and particularly relates to a microbial improver for saline-alkaline land. The microbial improver is prepared by the following steps: preparinghigh-sulfur composite microbial powder; preparing an organic additive; preparing a medium trace element additive; mixing the high-sulfur composite microbial powder, the organic additive and the medium trace element additive in a weight ratio of (45 to 60) to (15 to 40) to (15 to 25), and stirring uniformly to obtain the microbial improver for saline-alkaline land. According to the microbial improver provided by the invention, a culture medium is broadly inoculated with a plurality of strains are broadly connected to a culture medium, and performing culturing is performed to maturity in an incubator to obtain mixed microbial liquid; then, high-sulfur coal gangue powder subjected to grinding, screening and ultrasonic treatment is mixed with the mixed microbial liquid, and the mixture is fermented to obtain high-sulfur coal gangue composite microbial liquid; then, a solid fermentation substrate is inoculatinged with the composite microbial liquid to a solid fermentation substrate, and performing fermenting, drying and grinding are performed to obtain the high-sulfur composite microbial powder. The high-sulfur composite microbial powder, the organic additive and the medium trace element additive are mixed proportionally and stirred uniformly to obtain the microbial improver for saline-alkaline land; after application, the crop growth index can be remarkably improved, and the cropyield is increased.
Description
technical field [0001] The invention relates to the technical field of improvers, in particular to a saline-alkali land biological bacteria improver. Background technique [0002] my country has a large area of saline-alkali soil with complex types. The total area of various types of saline-alkali soil in the country reaches 1,487 million mu. Due to the accumulation of a large amount of salt in the soil, a series of soil physical properties deteriorate: sticky structure, poor air permeability, high bulk density, slow rise in soil temperature, poor activity of aerobic microorganisms in the soil, slow differential release, low permeability coefficient, capillary action Strong, it also leads to the aggravation of surface soil salinization. [0003] With the continuous development of coastal beaches, many difficulties have been encountered in the improvement and utilization of saline-alkali land. In order to make full use of coastal tidal land, people have adopted various ...
Claims
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Application Information
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