SOIL MICROBIAL REGULATOR FOR ENHANCING PLANT STRESS RESISTANCE

Abstract

Provided is a soil microbial regulator for enhancing plant stress resistance, which comprises the following components in parts by weight: 30-50 parts of coconut coir, 30-50 parts of Eucheuma, 10-30 parts of mushroom residue, 20-30 parts of Guayule and 0.4-1.6 parts of composite bacterial agent. The present invention uses discarded mushroom residue and coconut coir as raw materials, and Guayule and Eucheuma are added; under the action of composite bacterial agent, the raw materiels are fermented; the soil microbial regulator prepared by fermentation can adjust the soil structure, improve soil microbial structure, provide sustainable nutrition for crop growth, significantly promote crop growth, improve crop resistance to diseases and insect injury, effectively reduce crop incidence rate, enhance crop resistance, realize the purpose of increasing yield and income, and achieve high and stable crop yield.

Claims

1. A soil microbial regulator for enhancing plant stress resistance, comprising in parts by weight: 30-50 parts of coconut coir, 30-50 parts of Eucheuma, 10-30 parts of mushroom residue, 20-30 parts of Guayule and 0.4-1.6 parts of a composite bacterial agent.

2. The soil microbial regulator for enhancing plant stress resistance according to claim 1, comprising in parts by weight: 40 parts of coconut coir, 45 parts of Eucheuma, 20 parts of mushroom residue, 25 parts of Guayule and 1 part of composite bacterial agent.

3. The soil microbial regulator for enhancing plant stress resistance according to claim 1, wherein the composite bacterial agent comprises in parts by weight: 0.1-0.5 parts of Bacillus amyloliquefaciens, 0.1-0.5 parts of Bacillus laterosporus, 0.1-0.3 parts of Trichoderma asperellum, 0.05-0.15 parts of Paenibacillus polymyxa and 0.05-0.15 parts of Paecilomyces lilacinus.

4. The soil microbial regulator for enhancing plant stress resistance according to claim 1, wherein the composite bacterial agent comprises in parts by weight: 0.3 parts of Bacillus amyloliquefaciens, 0.3 parts of Bacillus laterosporus, 0.2 parts of Trichoderma asperellum, 0.1 part of Paenibacillus polymyxa and 0.1 part of Paecilomyces lilacinus.

5. A method for preparing the soil microbial regulator for enhancing plant stress resistance according to claim 1, comprising the steps of: (1) Crushing the coconut coir, the Eucheuma, the mushroom residue and the Guayule, and stirring evenly to obtain fermenting materials; (2) Fermenting the composite bacterial agent comprising a Bacillus amyloliquefaciens, a Bacillus laterosporus, a Trichoderma asperellum, a Paenibacillus polymyxa and a Paecilomyces lilacinus, after adding respectively water and stirring evenly, adding composite bacterial agent to the fermenting materials, adjusting the water content of the materials by 30-50%, and fermenting for 5-7 days to obtain the soil microbial regulator.

6. The method for preparing the soil microbial regulator for enhancing plant stress resistance according to claim 5, wherein a number of effective viable bacteria in the soil microbial regulator obtained by fermentation is not less than 2.0×10.sup.8CFU.

7. Application of the soil microbial regulator according to claim 1, to soil for improving plant stress resistance.

8. The application according to claim 7, wherein a dosage of the soil microbial regulator is 30-50 kg per mu of land.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0016] In order to help better understand the technical content of the present application, specific embodiments are provided below to preferably describe the present application.

[0017] The experimental methods used in the embodiments of the present application are conventional methods unless otherwise specified.

[0018] The materials, reagents and the like used in the embodiments of the present application are commercially available unless otherwise specified.

Embodiment 1

[0019] A soil microbial regulator for enhancing plant stress resistance, comprising the following components in parts by weight: 30 parts of coconut coir, 30 parts of Eucheuma, 10 parts of mushroom residue, 20 parts of Guayule, 0.1 part of Bacillus amyloliquefaciens, 0.1 part of Bacillus laterosporus, 0.1 part of Trichoderma asperellum, 0.05 part of Paenibacillus polymyxa and 0.05 part of Paecilomyces lilacinus.

[0020] The preparation method of the above said soil microbial regulator, comprising the following steps:

[0021] (1) Crushing the coconut coir, the Eucheuma, the mushroom residue and the Guayule, stirring evenly to obtain fermenting materials;

[0022] (2) Fermenting the Bacillus amyloliquefaciens, the Bacillus laterosporus, the Trichoderma asperellum, the Paenibacillus polymyxa and the Paecilomyces lilacinus, after adding respectively water and stirring evenly, adding them to the fermenting materials, adjusting the water content of the materials to 30-50%, fermenting for 5 days, and the number of effective viable bacteria being not less than 2.0×10.sup.8CFU, thus obtaining the soil microbial regulator.

Embodiment 2

[0023] A soil microbial regulator for enhancing plant stress resistance, comprising the following components in parts by weight: 50 parts of coconut coir, 50 parts of Eucheuma, 30 parts of mushroom residue, 30 parts of Guayule, 0.5 parts of Bacillus amyloliquefaciens, 0.5 parts of Bacillus laterosporus, 0.3 parts of Trichoderma asperellum, 0.15 parts of Paenibacillus polymyxa and 0.15 parts of Paecilomyces lilacinus.

[0024] The preparation method of the above said soil microbial regulator, comprising the following steps:

[0025] (1) Crushing the coconut coir, the Eucheuma, the mushroom residue and the Guayule, stirring evenly to obtain fermenting materials;

[0026] (2) Fermenting the Bacillus amyloliquefaciens, the Bacillus laterosporus, the Trichoderma asperellum, the Paenibacillus polymyxa and the Paecilomyces lilacinus, after adding water and stirring evenly, adding them to the fermenting materials, adjusting the water content of the materials to 30-50%, fermenting for 6 days, and the number of effective viable bacteria being not less than 2.0×10.sup.8CFU, thus obtaining the soil microbial regulator.

Embodiment 3

[0027] Soil microbial regulators for enhancing plant stress resistance, comprising the following components in parts by weight: 40 parts of coconut coir, 45 parts of Eucheuma, 20 parts of mushroom residue, 25 parts of Guayule, 0.3 parts of Bacillus amyloliquefaciens, 0.3 parts of Bacillus laterosporus, 0.2 parts of Trichoderma asperellum, 0.1 part of Paenibacillus polymyxa and 0.1 part of Paecilomyces lilacinus. The preparation method of the above said soil microbial regulator, comprising the following steps:

[0028] (1) Crushing the coconut coir, the Eucheuma, the mushroom residue and the Guayule, stirring evenly to obtain fermented materials;

[0029] (2) Fermenting the Bacillus amyloliquefaciens, the Bacillus laterosporus, Trichoderma asperellum, the Paenibacillus polymyxa and the Paecilomyces lilacinus after adding water and stirring evenly, adding them to the fermenting materials, adjusting the water content of the materials to 30-50%, fermenting for 7 days, and the number of effective viable bacteria being not less than 2.0×10.sup.8CFU, thus obtaining the soil microbial regulator.

[0030] 1. Investigation on the effect of the said soil microbial regulator on crop growth promotion After randomly selecting plots with similar location and soil conditions, 50 Chinese cabbages(scientific name being Brassica chinensis L) and 50 strawberries were planted in each plot, and they are directly cultivated in the soil by using different fertilizers as basal fertilizers. The fertilizer proportion is shown in Table 1.

TABLE-US-00001 TABLE 1 Statistics of different treatment methods Basal fertilizer composition Experimental Embodiment 1 group 1 Experimental Embodiment 2 group 2 Experimental Embodiment 3 group 3 Control the fermenting materials were directly fermented according group 1 to the method of Embodiment 3 without adding the composite bacterial agent Control prepared with composite bacterial agent according to the group 2 ratio of Embodiment 3 Control treated with commercially available a ternary compound group 3 fertilizer(compound fertilizer mixed with nitrogen, phosphorus and potassium)(15-15-15)

[0031] The same amount of the composite bacterial agent (0.38 kg) as that in Embodiment 3 was applied in the Control group 2, and a standard of 50 kg per mu of land was applied to the other groups. During the experiment, normal irrigation and no pest control were carried out. Statistics were collected after 20 days of sowing of the Chinese cabbages, and statistics were collected after all strawberries were harvested. The specific statistical results are shown in Table 2 and Table 3.

TABLE-US-00002 TABLE 2 Effects of different treatment methods on the growth of Shanghai cabbage Average weight Incidence Growth period per plant (g) rate (%) (days) Experimental group 1 31.5 6.0 20 Experimental group 2 30.8 4.0 20 Experimental group 3 32.6 4.0 18 Control group 1 21.9 18.0 23 Control group 2 18.7 30.0 25 Control group 3 23.4 24.0 21

[0032] It can be seen from Table 2 that by applying the soil microbial regulators prepared in the 3 embodiments of the present application, the average weight per plant of Chinese cabbage increased, the growth period was obviously shortened in different degrees, and the growth of Chinese cabbage was obviously promoted. The incidence of Chinese cabbage was obviously reduced, and the resistance to diseases and insect injury of Chinese cabbage was improved, and the stress resistance of Chinese cabbage was increased.

TABLE-US-00003 TABLE 3 Effects of different treatments on strawberry growth Average fruit Average yield Incidence weight (g) per plant (g) rate (%) Experimental group 1 23.4 340.8 10.0 Experimental group 2 22.5 342.0 10.0 Experimental group 3 24.7 348.1 6.0 Control group 1 20.1 319.2 28.0 Control group 2 18.3 294.5 36.0 Control group 3 21.8 326.7 22.0

[0033] It can be seen from Table 3 that by applying the soil microbial regulators prepared in the 3 embodiments of the present application, the average weight per fruit of strawberry was improved, the yield per plant thereof was obviously increased, the incidence rate thereof was greatly reduced, and the stress resistance thereof was obviously enhanced.

[0034] The foregoing description is only preferred embodiments of the present application, and is not intended to limit the present application; any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.