Planting method for conquering the continuous cropping obstacle of cured tobacco
A technology of continuous cropping barriers and planting methods, applied in the field of soil and fertilizer, and modern crop cultivation, to activate soil phosphorus and potassium, improve soil nutrient balance, and solve the effects of resource shortage in tobacco land
Inactive Publication Date: 2008-11-19
SOUTHWEST UNIVERSITY
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Problems solved by technology
In order to improve the quality of flue-cured tobacco, increase the output value per unit area, and ensure the sustainable development of flue-cured tobacco production, it is necessary to find a planting method that overcomes the obstacles of flue-cured tobacco continuous cropping. There is no relevant research report at home and abroad.
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Abstract
The invention relates to a planting method for overcoming the continuous cropping problems of flue-cured tobacco. The quality of the flue-cured tobacco is improved by alternately intercropping the flue-cured tobacco and peanuts or sweet potatoes so as to improve the ratio of the medium and high rank tobacco, and both the output value per unit of land and the income of the tobacco grower are increased; and meanwhile, the flue-cured tobacco planting is integrated with the generalized agriculture production, therefore, the continuous cropping problems (such as growth inhibition, disease and insect pest epidemiology and product quality reduction, etc.) of the flue-cured tobacco are remarkably lightened, the flue-cured tobacco can be basically planted for a long term and in successive years, the problem of serious tobacco field resources in the southwest region is solved, and the sustainable production of the flue-cured tobacco is guaranteed.
Description
technical field The invention relates to the fields of modern crop cultivation, soil, fertilizer and the like, in particular to a planting method for overcoming the obstacle of continuous cropping of flue-cured tobacco. Background technique Flue-cured tobacco is an important economic crop in my country and occupies an important position in the national economy. In 2006, the tobacco planting area was 15.72 million mu, and the tax revenue reached 290 billion yuan, ranking first in the single tax revenue of all industries in the country. Southwest China is the main production area of flue-cured tobacco in my country, and the planting area exceeds 70% of the country's total. However, Yunnan, Guizhou, Sichuan, and Chongqing have many people and little land, and continuous cropping of flue-cured tobacco is very common. However, studies have shown that continuous cropping inhibits the growth of flue-cured tobacco and reduces yield and quality. Nutrient imbalance etc. Therefore...
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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C21/00C05G1/00
Inventor 黄建国李建伟袁玲
Owner SOUTHWEST UNIVERSITY
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