Rice field ecological irrigation and drainage community based on sustainable utilization

Abstract

The invention discloses a rice field ecological irrigation and drainage community based on sustainable utilization. The rice field ecological irrigation and drainage community is composed of an ecological irrigation channel, ecological ridges, an ecological intercepting drainage ditch, rice fields, an ecological distribution gate and an ecological water-drainage and dirt-drainage control device; the ecological irrigation channel is provided with irrigation pipelines on the wall close to the rice fields; the transverse sections of the ecological ridges are trapezoidal; the transverse section of the ecological intercepting drainage ditch is trapezoidal; a plurality of square holes are distributed on concrete boards; the ecological distribution gate is a wedge-shaped flashboard type brake valve check gate and arranged on the irrigation pipeline; and the ecological water-drainage and dirt-drainage control device is composed of a box body and baffles. According to the rice field ecological irrigation and drainage community, water discharge of the rice fields and loads of N and P elements in the discharged water can be effectively reduced due to the reasonable structural design and the structural arrangement of the ecological irrigation and drainage community; in addition, the irrigation cost can be reduced and the irrigation efficiency can be improved; and therefore, the ecological irrigation and drainage community is high in popularization and application value in the Chinese rice fields.

Description

technical field [0001] The invention belongs to the technical field of farmland irrigation and drainage infrastructure, and in particular relates to a technology and layout of sustainable paddy field ecological irrigation and drainage infrastructure. Background technique [0002] Irrigation and drainage plots are common in paddy fields in my country. These irrigation and drainage plots are surrounded by irrigation canals, ridges and drainage ditches. Most of the existing irrigation canals are made of soil, and some are made of hardened concrete; the irrigation outlets of the former are temporarily dug according to agricultural needs, while the irrigation outlets of the latter are fixed; when sealing the irrigation outlets, soil or soil bags are often used . In practical application, there are the following problems: one is that the irrigation efficiency of the soil irrigation canal is low, and the other is that it takes a lot of work and effort when the irrigation outlet i...

AI Technical Summary

Problems solved by technology

In practical application, there are the following problems: first, the irrigation efficiency of the soil irrigation canal is low, and second, when the irrigation outlet is opened or blocked, it is laborious

The existing ridges are mainly used for irrigation purposes, and the problem in actual production is that they fail to play their production and ecological functions

CN200410014935.1 discloses a farmland ecological interception channel system. In practical application, the system has the following problems: one is that the size of the hole units on the ditch wall and the bottom of the ditch is small, which affects the normal growth of plants; the other is that the hole units The distance between them is large, which affects the biomass of plants and their interception efficiency of nitrogen and phosphorus in farmland drainage

CN200510095596.9 discloses a farmland drainage control box. In the practical application of the control box in rice fields, there are the following problems: first, the side box not only needs to occupy a certain amount of land, but also needs to invest more manpower, material and financial resources, and More importantly, because the drain hole of the side box faces upward, it is often blocked by sundries and lost soil in the farmland, and it takes time and effort to clean up; second, it is cumbersome to empty the surface water of the paddy field when the paddy field needs to be dried; It is impossible to flexibly adjust the paddy field surface water according to the needs; Fourth, it does not consider the exchange of beneficial substances between the soil and water between the bottom of the main box and the soil below (nitrogen, phosphorus and other nutrients and organisms)

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