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Straw decomposing agent and method for implementing current annual and continuous cropping total crop screw local returning by virtue of straw decomposing agent

A technology of straw decomposing agent and straw, which is applied in the field of straw decomposing agent and crop straw returning to the field in a full amount year after year. It can solve the problems of cutting and sowing difficulties of next crops, tight stubble, and weak yellow seedlings due to nitrogen grabbing. The effect of overcoming the accumulation of soil-borne pathogenic bacteria, increasing yield, and developing the root system of crops

Inactive Publication Date: 2017-07-04
安徽瑞驰兰德生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] How can we effectively solve the problems of tight stubble caused by the full amount of straw returned to the field between the two seasons of crops, difficulty in cutting and sowing the next crop, and weak seedlings and straws that are decomposed and grabbing nitrogen, making the straw stubble year after year, A breakthrough has been made in the historical agronomic problem of returning the full amount to the field on the spot

Method used

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  • Straw decomposing agent and method for implementing current annual and continuous cropping total crop screw local returning by virtue of straw decomposing agent

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preparation example Construction

[0042] The preparation method of described straw decomposing agent is:

[0043] (1) Trichoderma reesei, Trichoderma harzianum and Lactobacillus plantarum were respectively inoculated on a solid medium, the composition of the solid medium was: agar, cultured at 30°C for 12h;

[0044] (2) The bacterial classification after step (1) culture is respectively inoculated in liquid culture medium, and liquid culture medium composition is: sucrose 15g, K 2 HPO 4 0.5g, CaCO 3 5g, NaCl 1g, molasses 50g, distilled water to 1L, pH 6.8-7.2, shake flask speed 150r / min at 33°C, culture for 36-48h;

[0045] (3) The strains cultivated in step (2) are respectively placed in fermenters according to 1 / 1000 of the medium volume, and mass-produced and cultivated until the number of viable bacteria is 5 to 15×10 10 per ml, the fermentation medium composition is: glucose 30-60g / L, molasses 50-100g / L, urea 5-10g / L, KH 2 PO 4 5 ~ 10g / L, the rest is distilled water; pH is 6.5 ~ 7.5; mass producti...

Embodiment 1

[0049] A method for returning crop stalks year after year in full amount to the field, said method comprising the following steps:

[0050] a. Cut off the stalks by 5-10cm, spread the whole amount evenly on the ground, and the stubble height is 5-10cm;

[0051] b. Calculate the straw decomposing agent at 3kg per mu, add water 200 times to dilute and activate it 24 hours in advance, and add it to the bacterial agent bucket;

[0052] c. Use integrated spraying and plowing agricultural machinery, spray straw decomposing agent on the front end, plow 30cm into the soil at the rear end, and spray bacteria and tillage at one time;

[0053] d. Soil preparation, base fertilizer, and sowing.

[0054] In this embodiment, the previous crop is wheat, and the next crop is rice.

[0055] The manufacturing method of the spray-plow integrated agricultural implement is as follows: add an inoculum bucket 6 and a power pump 7 on the plow frame 4 of the tractor, add 4 to 5 fine mist nozzles 31 a...

Embodiment 2

[0071] A method for returning crop stalks year after year in full amount to the field, said method comprising the following steps:

[0072] a. Cut off the stalks by 5-10cm, spread the whole amount evenly on the ground, and the stubble height is 5-10cm;

[0073] b. Calculate the straw decomposing agent as 4kg per mu, add water 200 times to dilute and activate it 24 hours in advance, and add it to the bacterial agent bucket;

[0074] c. Use integrated spraying and plowing agricultural machinery, spray straw decomposing agent on the front end, plow 40cm into the soil at the rear end, and spray bacteria and tillage at one time;

[0075] d. Soil preparation, base fertilizer, and sowing.

[0076] In this embodiment, the previous crop is wheat, and the next crop is corn.

[0077] The manufacturing method of the spray-plow integrated agricultural implement is as follows: add an inoculum bucket 6 and a power pump 7 on the plow frame 4 of the tractor, add 4 to 5 fine mist nozzles 31 a...

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Abstract

The invention provides a straw decomposing agent and a method for implementing current annual and continuous cropping total crop screw local returning by virtue of the straw decomposing agent. The straw decomposing agent is prepared through cross antagonism culture of three strains, namely trichoderma reeseri, trichoderma harzianum and lactobacillus plantarum, wherein weight percentages of the various strains are as follows: 25-35% of the trichoderma reeseri, 20-40% of the trichoderma harzianum and 25-50% of the lactobacillus plantarum. The straw decomposing agent, after activated, is sprayed to the surfaces of straws in fields and is turned into soil by virtue of a ploughing integrated machine, so that strain spraying and ploughing are completed in one time. With the application of the method, such problems as tight crops for rotation, difficult cutting and sowing of next-stubble crops as well as yellowing and weakness of seedlings which scramble for nitrogen with straw decomposition and the like between crops of two seasons are effectively solved; crops' yields are effectively improved; and labor intensity of farmers in busy seasons is reduced. In addition, the straws, which are turned into the soil, can supplement organic matters of the soil, so that a good aggregate structure of retaining water of soil, discharging water and promoting ventilation is constructed.

Description

technical field [0001] The invention belongs to the field of comprehensive utilization of straw resources, and in particular relates to a straw decomposing agent and a method for using the straw decomposing agent to realize the full amount of crop straws being returned to the field year after year. Background technique [0002] At present, the area of ​​modern agricultural arable land is large, and agricultural production has caused a large surplus of straw. The open burning of straw has caused waste of resources and serious air pollution. However, because it cannot be fully utilized, the phenomenon of burning has been banned repeatedly, and has become the focus of attention of the whole society. [0003] What to do with a large amount of straw is no longer a burden on farmers and a headache for governments at all levels. The key lies in how to make effective use of it and turn waste into treasure. [0004] Straw contains precious and balanced cell contents, which can provi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C12N1/14C05F11/08C05F15/00C12R1/885C12R1/25
CPCC12N1/20C05F11/00C05F11/08C12N1/14C05F17/00
Inventor 李建斌芮文东李禄安
Owner 安徽瑞驰兰德生物科技有限公司
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