Half-drought type rice- ercai alternate culture method

Abstract

The invention discloses a half-drought type rice-ercai alternate culture method. The method specifically comprises the steps that medium-later mature rice and medium-early mature ercai are alternately planted, and wide-compartment and half-drought type water management is adopted. The superior medium-later mature indica type rice variety is adopted for the rice, and the rice is sown in the early of middle of March and harvested in later of middle of August. The superior medium-early mature variety is selected for earcai, the earcai is sown in the first ten-day period of September and harvested from the last ten days of December to February next year. According to the method, the problem of the soil barrier due to vegetable continuous cropping can be solved, the increasingly prominent grain and vegetable land contention contradiction is resolved, and supply guaranteeing and income increasing of a traditional planting industry are achieved; the paddy soil can be fertilized, and sustainable and efficient utilization of the paddy field is achieved; water and fertilizer can be efficiently coupled, and the threat of the high-temperature summer drought in the rain fed agricultural region in the upstream of Yangtze River to rice production is effectively relieved; the per unit area yield and the quality of rice and ercai can be obviously improved, and the income of the traditional planting industry can be greatly increased.

Description

technical field [0001] The invention belongs to the field of agricultural technology, and in particular relates to a semi-arid rice-leed vegetable rotation cultivation method. Background technique [0002] The paddy and dry rotation is a paddy farming system widely adopted in Asian countries, and it is also one of the main farming systems in southern my country. Sichuan Province (including Chongqing City) currently has an area of ​​more than 3.3 million hectares of paddy fields, and about 1.75 million hectares of paddy fields that practice paddy and dry rotation all the year round account for about 52% and 30% of the paddy field area and cultivated land area respectively. Its main planting methods are rice-wheat and rice-rape, which occupy a pivotal position in the agricultural production of Sichuan and Chongqing. With the improvement of people's living standards and the development of modern logistics industry, the vegetable planting area in Southwest China has expanded ra...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a semi-arid rice-vegetable rotation cultivation method, the purpose of which is to improve the multiple cropping index of the rice field, increase the annual income of the rice field, protect the ecological environment of the rice field, and solve the problems of vegetable continuous cropping obstacles and the like