Preparation method and application of soil conditioner for continuous cropping of watermelon

An amendment and soil technology, applied in the field of biological preparations for watermelon planting, can solve the problems of nutrient deficiency, affecting the yield and quality of watermelon, salinization, etc., and achieve the effect of solving salinization, reducing the probability of occurrence of diseases and insect pests, and increasing yield

Inactive Publication Date: 2018-10-12
句容宇发农业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Purpose of the invention: In order to solve the problem of watermelon continuous cropping soil in the prior art that affects the yield and quality of watermelon, the present invention proposes a continuous cropping method that effectively solves soil salinization, acidification, nutrient deficiency and imbalance, and pests and diseases. Soil Improver for Watermelon Continuous Cropping

Method used

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  • Preparation method and application of soil conditioner for continuous cropping of watermelon

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Effect test

Embodiment 1

[0019] A preparation method of a watermelon continuous cropping soil improver, comprising the steps of:

[0020] (1) Preparation of modified peat soil: Add 10 times the volume of acetic acid solution to the peat soil, soak for 20 minutes, add 3g / L sodium sulfate and 2g of aluminum chloride, adjust the pH to 6, and then add the cosolvent dimethyl carbonate For ester, heat up to 100°C and stir at high speed for 10 minutes, then cool down to room temperature, add konjac glucomannan after curing for 36 hours, stir evenly and then centrifuge, calcinate at 1200°C until powdered to obtain modified peat soil;

[0021] (2) Preparation of modified bentonite: add 10 times the volume of sodium hydroxide solution to the bentonite, add 3g / L ferric chloride after soaking for 20min, adjust the pH to 8, then add co-solvent, heat up to 80°C and stir at high speed Cool down to room temperature after 15 minutes, add chitosan after curing for 36 hours, stir evenly and place in a low-temperature pl...

Embodiment 2

[0024] A preparation method of a watermelon continuous cropping soil improver, comprising the steps of:

[0025] (1) Preparation of modified peat soil: Add 20 times the volume of acetic acid solution to the peat soil, soak for 30 minutes, add 5g / L sodium sulfate and 4g of aluminum chloride, adjust the pH to 6.5, and then add the cosolvent dimethyl carbonate For ester, heat up to 100°C and stir at high speed for 15 minutes, then cool down to room temperature, add konjac glucomannan after curing for 36 hours, stir evenly, then centrifuge, and calcinate at 1400°C to powder to obtain modified peat soil;

[0026] (2) Preparation of modified bentonite: Add 20 times the volume of sodium hydroxide solution to the bentonite, add 5g / L ferric chloride after soaking for 30min, adjust the pH to 8.5, then add co-solvent, heat up to 80°C and stir at high speed Cool down to room temperature after 15 minutes, add chitosan after curing for 36 hours, stir evenly, and then place in a low-temperat...

Embodiment 3

[0029] A preparation method of a watermelon continuous cropping soil improver, comprising the steps of:

[0030] (1) Preparation of modified peat soil: Add 15 times the volume of acetic acid solution to the peat soil, soak for 25 minutes, add 4g / L sodium sulfate and 3g of aluminum chloride, adjust the pH to 6.3, and then add the cosolvent dimethyl carbonate For ester, heat up to 100°C and stir at high speed for 13 minutes, then cool down to room temperature, add konjac glucomannan after curing for 36 hours, stir evenly and then centrifuge, calcinate at 1300°C until powdered to obtain modified peat soil;

[0031] (2) Preparation of modified bentonite: add 15 times of volume of sodium hydroxide solution to bentonite, add ferric chloride of 4g / L after soaking for 25min, adjust pH to be 8.4, then add cosolvent dimethyl carbonate, heat up to Stir at 80°C for 12 minutes at high speed and cool down to room temperature. Add chitosan after curing for 36 hours. After stirring evenly, pl...

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Abstract

The invention discloses a preparation method and an application of a soil conditioner for continuous cropping of the watermelon. The soil condition is prepared from 20%-40% of modified peat soil, 20%-30% of modified bentonite, 5%-8% of quick lime, 5%-20% of dipotassium phosphate, 5%-15% of leguminous plant waste, 1%-3% of a soil disinfector and the balance of organic fertilizer as raw materials. With the reasonable application of the soil conditioner to improvement of continuous cropping soil of the watermelon, the continuous cropping problems of salinization, acidification, nutrition deficiency and imbalance, pest and disease damage and the like of soil are effectively solved; when the soil improved by the soil conditioner is used for watermelon planting, the plant death rate is reduced,the yield is increased, the probability of occurrence of the pest and disease damage is reduced, and the big problem in sustainable planting of the watermelon is solved.

Description

technical field [0001] The invention relates to watermelon planting biological agent technology, in particular to a preparation method and application of a watermelon continuous cropping soil improver. Background technique [0002] Due to the high moving cost of watermelon greenhouse facilities, the long annual production and use period, and the limited cultivated land, it is difficult to rotate crops and stubble. The continuous cropping phenomenon of facilities is very common, which causes the accumulation of pathogenic bacteria and insect eggs in the soil and greenhouses year after year. Inherited pests and diseases such as fusarium wilt caused by Fusarium occur year after year, and the disease is getting worse. In addition, soil salinization, acidification, and nutritional imbalance have appeared one after another, resulting in poor growth and development of watermelon plants and a decline in yield. The soil continuous cropping problem has directly affected the yield and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40A01N29/02A01P1/00A01N25/18C05G3/04C09K101/00C09K109/00C05G3/80
CPCA01N25/18A01N29/02C05B7/00C09K17/40C09K2101/00C09K2109/00C05G3/80C05D3/02C05D9/00C05F11/00
Inventor 李友发
Owner 句容宇发农业发展有限公司
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