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Method for preventing and curing vegetable soil continuous cropping obstacle by crop straw

A technology of soil continuous cropping obstacles and crop stalks, which is applied in the direction of soil preparation methods, applications, agricultural machinery and tools, etc., can solve the problems of crop failure and vegetable production reduction, and achieve the effects of reducing continuous cropping obstacle factors, improving land production capacity, and increasing production and income.

Inactive Publication Date: 2012-01-04
INST OF SOIL & FERTILIZER ANHUI ACAD OF AGRI SCI
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that vegetable continuous cropping obstacles often lead to a large reduction in vegetable production or even a failure of harvest, the present invention uses straw excluded from the internal cycle of agricultural production to provide a method for using crop straw to prevent and control vegetable soil continuous cropping obstacles

Method used

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  • Method for preventing and curing vegetable soil continuous cropping obstacle by crop straw
  • Method for preventing and curing vegetable soil continuous cropping obstacle by crop straw

Examples

Experimental program
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Effect test

Embodiment 1

[0017] The effect of fire dung on improving the soil of old vegetable greenhouses (Location: Madian Village, Mengcheng County, Anhui Province)

[0018] Vegetables have been grown in the test greenhouse for 18 years, and the vegetables are seriously diseased. Planting vegetables: tomato, 2800 plants / mu.

[0019] A method of using crop stalks to prevent and treat vegetable soil continuous cropping obstacles includes the following five steps:

[0020] 1. After the vegetables are harvested, plow the soil; keep the soil moisture content of the plow layer below 17% (if the soil moisture content exceeds 17%, use the sun on a sunny day until the soil moisture content is below 17%);

[0021] 2. Lay a layer of dry corn stalks on the plowed soil, the amount of straw is 5m 2 Cover the soil with 150kg of crop straw;

[0022] 3, and then spread the corn stalks around the area of ​​5m 2 1. Cover the 15cm deep plow layer soil on the corn stalks, and cover the corn stalks with a soil thick...

Embodiment 2

[0033] Soil effect of fire manure improving new vegetable fields (Location: Madian Village, Mengcheng County, Anhui Province)

[0034] Small shed, planting tomatoes in the first year, tomato density, 2800 plants / mu.

[0035] The method of using crop stalks to prevent and treat vegetable soil continuous cropping obstacles is the same as in Example 1, the stalks are wheat stalks, and 150 kg of stalks handles a land area of ​​10 m 2 .

[0036] Process soil 50m according to the method provided by the present invention before planting tomato in small shed 2 . As can be seen from Table 3, the content of bacteria and fungi in the control soil measured by the dilution plate counting method is 9.7 (10 5 CFU·g -1 ), 3.3 (10 5 CFU·g -1 ), the contents of bacteria and fungi in soil treated with fire manure were 0.7 (10 5 CFU·g -1 ), 0.4(10 5 CFU·g -1), the bactericidal rate of fungi and bacteria reached 87.9% and 92.8% respectively. Because it is a new vegetable field, no soil-...

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Abstract

The invention relates to a method for preventing and curing vegetable soil continuous cropping obstacle by crop straw, comprising the following operating steps: 1, after vegetable is harvested, plowing soil; 2, spreading one layer of dry crop straws on plowed soil, wherein straw use level is characterized in that 80-150 kg of crop straws are spread on the soil with the area of 5m<2>; 3, covering soil near the periphery plough layer out of soil spread with the straws on the straws, and causing straws in the periphery to expose outwards; 4, igniting straws which expose outwards to burn the straws; and 5, cleaning soil from the position 15 cm below the straw until upper unburned straws expose, which is favorable for straws to continue burning, and carrying out circulation operation until allstraws are burnt up. The method provided by the invention has obvious production increase effect on new and old vegetable plots and especially has obvious effect on improving old vegetable plots. Because the invention disinfects soil to cause degraded soil to restore health, the method in the invention also has obvious effect on improving non-vegetable soil continuous cropping soil.

Description

technical field [0001] The invention belongs to the technical field of soil fertilizer in agriculture, and in particular relates to a method for improving soil continuous cropping obstacles. Background technique [0002] Vegetable continuous cropping obstacle refers to the phenomenon that when the same species or the same family of vegetables are continuously cultivated in the same field, the growth potential of vegetables will be weakened, the yield will be reduced, and the quality will be reduced. It has the characteristics of accumulation, regionality and crop specificity. With the continuation of China's vegetable industry, coupled with the requirements of vegetables on natural factors such as temperature, light, moisture, and soil types, as well as the planting habits of producers and market distribution, vegetable production is limited to a certain area, and there have been emergences across the country. The phenomenon of vegetable continuous cropping obstacles is beco...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/00
Inventor 何传龙马友华朱宏斌顾江涛刘枫王道中王文军王允青
Owner INST OF SOIL & FERTILIZER ANHUI ACAD OF AGRI SCI
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