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Method for drought resisting transplanting of flue-cured tobacco through agriculture and forestry water-retaining agent

A water-retaining agent, agricultural and forestry technology, applied in the field of flue-cured tobacco cultivation, can solve the problems of hindering the sustainable development of flue-cured tobacco production, insufficient water supply for flue-cured tobacco growth, and declining economic benefits of planting tobacco, and achieves the improvement of the transplanting survival rate and the increase of the water content in the rhizosphere of tobacco plants. , The effect of protecting the ecological environment of tobacco fields

Inactive Publication Date: 2017-04-19
YUNNAN ACAD OF TOBACCO AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, due to changes in climate and environment, during the growth of flue-cured tobacco, high temperature, drought and other bad weather frequently occur, soil moisture is lacking, water supply for flue-cured tobacco growth is insufficient, material accumulation is insufficient, tobacco leaves are premature and yellow, not suitable for baking, low grade, clear and variegated Many, the availability rate is low, leading to a sharp decline in the economic benefits of tobacco planting, seriously hindering the sustainable development of flue-cured tobacco production

Method used

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  • Method for drought resisting transplanting of flue-cured tobacco through agriculture and forestry water-retaining agent
  • Method for drought resisting transplanting of flue-cured tobacco through agriculture and forestry water-retaining agent
  • Method for drought resisting transplanting of flue-cured tobacco through agriculture and forestry water-retaining agent

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Embodiment 1

[0049] A method for transplanting flue-cured tobacco using an agricultural and forestry water-retaining agent for drought resistance, comprising the steps of:

[0050] Step (1), determination of the type of agricultural and forestry water-retaining agent for cultivated flue-cured tobacco: the planting density of flue-cured tobacco is 1010-1212 plants / mu, and the agricultural and forestry water-retaining agent adopts acrylamide-acrylate copolymer cross-linked product;

[0051] Step (2), selection of soil and agricultural and forestry water-retaining agent: select a plot with a soil pH value of 5.2-6.5, and the dry glue particle size of the agricultural and forestry water-retaining agent is <0.3mm;

[0052] Step (3), preparation of agricultural and forestry water-retaining agent gel: put 1 kg of agricultural and forestry water-retaining agent into a 40-liter sack, soak in water for 10 hours, and make a first-grade gel; if the temperature is lower than 18°C, When the primary gel ...

Embodiment 2

[0062] A method for transplanting flue-cured tobacco using an agricultural and forestry water-retaining agent for drought resistance, comprising the steps of:

[0063] Step (1), determination of the type of agricultural and forestry water-retaining agent for cultivated flue-cured tobacco: the planting density of flue-cured tobacco is 1010-1212 plants / mu, and the agricultural and forestry water-retaining agent adopts acrylamide-acrylate copolymer cross-linked product;

[0064] Step (2), selection of soil and agricultural and forestry water-retaining agent: select a plot with a soil pH value of 5.2-6.5, and the dry glue particle size of the agricultural and forestry water-retaining agent is <0.3mm;

[0065] Step (3), preparation of agricultural and forestry water-retaining agent gel: put 1.5 kg of agricultural and forestry water-retaining agent into a 60-liter sack, soak in water for 12 hours, and make a first-grade gel; if the temperature is lower than 18°C, When the primary ge...

Embodiment 3

[0075] A method for transplanting flue-cured tobacco using an agricultural and forestry water-retaining agent for drought resistance, comprising the steps of:

[0076] Step (1), determination of the type of agricultural and forestry water-retaining agent for cultivated flue-cured tobacco: the planting density of flue-cured tobacco is 1010-1212 plants / mu, and the agricultural and forestry water-retaining agent adopts acrylamide-acrylate copolymer cross-linked product;

[0077] Step (2), selection of soil and agricultural and forestry water-retaining agent: select a plot with a soil pH value of 5.2-6.5, and the dry glue particle size of the agricultural and forestry water-retaining agent is <0.3mm;

[0078] Step (3), preparation of agricultural and forestry water-retaining agent gel: put 1.2 kg of agricultural and forestry water-retaining agent into a 50-liter sack, soak in water for 11 hours, and make a first-grade gel; if the temperature is lower than 18°C, When the primary ge...

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Abstract

The invention relates to a method for drought resisting transplanting of flue-cured tobacco through an agriculture and forestry water-retaining agent and belongs to the technical field of cultivation of the flue-cured tobacco. The method for drought resisting transplanting of the flue-cured tobacco through the agriculture and forestry water-retaining agent comprises the four steps of determining the dosage of the agriculture and forestry water-retaining agent for flue-cured tobacco cultivation, selecting soil and the agriculture and forestry water-retaining agent, preparing gel of the agriculture and forestry water-retaining agent, and transplanting flue-cured tobacco seedlings. The method is simple and reliable, and by adopting the method to carry out drought resisting cultivation of the flue-cured tobacco, it can be ensured that the drought resisting time after the flue-cured tobacco is transplanted reaches 20 days or over, the yield per mu can be increased by 9.8-13.3 kg, and the output value per mu can be increased by 327.6-448.2 CNY. Meanwhile, the method relieves white pollution, protects the ecological environment of tobacco fields and is easy to apply and popularize.

Description

technical field [0001] The invention belongs to the technical field of flue-cured tobacco cultivation, and in particular relates to a method for transplanting flue-cured tobacco using an agricultural and forestry water-retaining agent for drought resistance. Background technique [0002] Agricultural and forestry water-retaining agents mostly refer to agricultural superabsorbent resins. Superabsorbent resin is a general term for functional polymer materials with high water absorption characteristics, which can absorb water hundreds of times its own weight. At present, there are generally two categories in the world, namely, starch grafted acrylate copolymer cross-linked product and acrylamide-acrylate copolymer cross-linked product. The water-retaining agent has three characteristics: water absorption, water retention and long-lasting effect. The water absorption of the water-retaining agent includes water absorption capacity, water absorption speed and moisture absorption ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C21/00A01G7/06
CPCA01C21/005A01G7/06A01G22/00
Inventor 张晓海飞鸿童文杰杨春江李天福杨雪彪
Owner YUNNAN ACAD OF TOBACCO AGRI SCI
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