Renovate field irrigation and drainage canal systems, level land, expand fields, improve low yielding soils, build roads and plant trees, etc. The basic task of constructing small-scale farmland water conservancy systems is to adjust and improve the water conditions of farmland and regional water conservancy conditions by constructing various technical facilities for agricultural land water conservation and taking other measures to meet the needs of agricultural production development and promote stable and high production. yield farming.
1. Adopt measures such as water storage, water diversion and inter-basin water transfer to adjust the spatial and temporal distribution of water resources to create good conditions for the full utilization of water resources.water and soil and the development of agriculture;
2, Adopt irrigation, drainage and other measures to adjust the water conditions of agricultural land, meet the water needs of crops, improve low yielding soils and improve agricultural production levels.
Additional information:
China has a long history of building conservation systems water on agricultural land. As early as the Xia and Shang dynasties, people planned land in the catchment fields. Well fields are square fields, which carefully divide the land into equal areas, and irrigation canals are arranged between each plot of cultivated land. During the Five Dynasties and Song Dynasties, Taihu Polder was built. During the Ming and Qing dynasties, the Jianghan Plain and Jiwei fields in the Pearl River Delta were built.
These forms of water conservation on small agricultural lands were inherited and developed later. By the early 1950s, China had built many modern irrigation projects. The canals at the trunks and branches were relatively straight and neat. However, the canals and fields were not constructed and renovated in a timely manner, as were the engineering facilities on the land. were incomplete.
Baidu Encyclopedia-Farmland Water Conservancy Construction