Ridge type wet cultivation technology for paddy rice

Abstract

The invention discloses a ridge type wet cultivation technology for paddy rice. The ridge type wet cultivation technology includes steps of (1), carrying out manure and rice rotation, sowing green manure in winters, to be more specific, planting astragalus sinicus or soybeans or oilseed rapes in slack seasons in winters, or returning straw to fields, combining land maintaining with land utilizing and biologically remedying the soil fertility; (2), forming ridges, directly sowing sprout rice, to be more specific, forming the ridges by means of water plowing and quantitatively directly sowing the sprout rice according to the ridges; (3), irrigating rice crops, to be more specific, managing water according to growth periods in a wet cultivation and dry management mode, controlling water consumption on the premise that physiological water requirements of the paddy rice are met, and only forming water layers for fertilization and pesticide application irrigation by the aid of natural rainfall instead of establishing water layers in the complete growth periods. The widths of the surfaces of the ridges range from 3 meters to 5 meters, and the widths and the depths of furrows respectively range from 0.3 meter to 0.5 meter. The ridge type wet cultivation technology has the advantages that lands can be maintained by the aid of the green manure, the paddy rice is subjected to ridge type wet cultivation, irrigation water consumption can be effectively controlled, cores of targets include production stabilization and cost economization and are supplemented by water conservation and land maintenance, accordingly, energy can be saved by the aid of the technology for the rice crops, environments can be protected by the aid of the technology for the rice crops, and the food and ecological safety can be guaranteed.

Description

technical field [0001] The invention relates to a rice cultivation technique, in particular to a paddy ridge wet planting cultivation technique. Background technique [0002] Rice is the main food crop in my country. Rice is the staple food of 60% of the population in China, and about 50% of the farmers are engaged in rice production. Rice farming is the number one agricultural task in my country. More people, less land and less water is the basic national condition of our country. How to use limited land resources and fresh water resources to ensure food security in our country is the main proposition of the progress of rice farming science and technology. [0003] The researchers of the present invention believe that the successful research and utilization of rice dwarf gene and sterile gene in the last century, the advancement of rice farming technology with the promotion of rice dwarf varieties and hybrid rice as the core technology, will increase my country's total rice...

AI Technical Summary

Problems solved by technology

In addition to engineering and non-engineering losses, the production efficiency per ton of water is very low, only 0.6-0.8 kg / ton, which is equivalent to "tons of water and grain"

[0007] 2. The second disadvantage of traditional rice farming technology: high input of chemical fertilizers and pesticides

[0009] 3. The third disadvantage of traditional rice farming technology: high pollution to the environment

First, rice paddies are the greenhouse gas CH 4 with N 2 The main release source of O; second, excess agrochemicals remain in the soil, threatening the quality and safety of rice, and destroying soil agricultural productivity; third, polluting surrounding waters, causing water eutrophication; fourth, cyclical impacts, deteriorating the ecology of rice producing areas Environmental Quality

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