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Method for cultivating hybrid rice

A cultivation method and hybrid rice technology, applied in the field of cultivation, can solve the problems of not adapting to the social needs of modern agricultural development and the like

Inactive Publication Date: 2013-03-13
郎溪县种子管理站
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

According to China's national conditions of growing population and decreasing land, the extensive sorghum cultivation method and traditional fertilization mode are no longer suitable for the needs of modern agricultural development and cannot meet the growing social needs.

Method used

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Embodiment 1

[0032] A cultivation method for hybrid rice, comprising the following aspects:

[0033] (1) Selection of fine varieties:

[0034] The selection of improved varieties according to local conditions is the prerequisite for stable and high-yield rice. According to the geographical and climatic characteristics of southern Anhui, the selection of mid-season rice varieties should be based on "high-quality, high-yield, and multi-resistance", and early and mid-maturing varieties should be selected for maturity. For fields with sufficient water sources, choose medium-maturing varieties with a full growth period of about 137 days; for fields with relatively short water sources, choose medium-early-maturing varieties with a full growth period of about 134 days. When purchasing good varieties, you should do the following: To buy seeds from legal business units, check the business license or business license of the operator when buying seeds; second, to buy qualified seeds, you must buy see...

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Abstract

The invention discloses a method for cultivating hybrid rice, which comprises the steps of breeding improved varieties, raising sturdy rice seedlings, field cultivation and prevention and treatment for main diseases and pests. According to the method, the conservation of soil, fertilizer and water, the resistance for cold, drought, lodging and disease and pest and other functions of the soil are improved; and the applying quantity of chemical fertilizer is reduced on the premise of ensuring the national food security, therefore, the cost is saved and the farmer's income is increased, and energy is saved, environment is protected and the agricultural sustainable development is promoted for the country.

Description

technical field [0001] The invention mainly relates to a cultivation method, in particular to a cultivation method of hybrid rice. Background technique [0002] There is no standard sorghum planting model in my country's agricultural system so far. Sparse planting and unreasonable excessive close planting are the bottlenecks that restrict the high yield of sorghum. Especially when sorghum is heading, the functional leaves receive insufficient light, so the sorghum grains are difficult to fill, resulting in reduced production; There is also no standard for farmland ridge formation by farmers, which is blind and arbitrary; especially fertilization. Most farmers who grow sorghum use traditional methods of blind fertilization, and partial application of "high-nitrogen" compound fertilizers or blended fertilizers. Plant 100,000 plants per hectare in Northeast China, use 1,200 catties of mixed fertilizer as base fertilizer, and topdress 200 catties of urea before sorghum headin...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G16/00A01G22/22
Inventor 乌忆涛鲍敏辉牟庆顺沈正飞肖厚华张勇
Owner 郎溪县种子管理站
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