Method of rapid incrassation and curing of purple new improving soil in three gorges reservoir area

Abstract

The invention discloses a method of rapid incrassation and curing of purple new improving soil in the three gorges reservoir area, which comprises the following steps: (1) collecting rectangular pieces at equal altitude for the purple improving soil; (2) transversally dividing the land into a plurality of land units, and ditching for each unit in accordance with a wide surface and a narrow surface; (3) taking mellow soil on a surface layer of the narrow surface to lay on the wide surface to form a configuration with same ditches; (4) carrying out manual operation for the ditches to cause a ditch soil layer to be incrassated by more than 30cm; (5) performing zero tillage or minimal tillage on the border surfaces, planting conventional crops and planting soil improving crops in ditches; (6) mutually exchanging the ditches two years later; and (7) paralleling and leveling the ditches another two years later and finishing the soil incrassation and curing. The invention provides a technique with low construction cost and easy mastering for rapid incrassation and curing as well as reasonable utilization of the purple new improving soil in the three gorges reservoir area, organically combines agricultural utilization of the purple new improving soil with fertilization, does not affect normal production of peasants, is easy to learn and master, has convenient operation and low cost and really realizes organic unification for use and improvement of land.

Description

[0001] technical field [0002] The invention relates to a set of methods for rapidly thickening and maturing purple newly improved soil in the Three Gorges reservoir area, belonging to the technical field of soil improvement. [0003] Background technique [0004] In order to resettle the rural immigrants of the Three Gorges Project, the state invested hundreds of millions of dollars to reclaim more than 100,000 mu of barren slopes at an altitude of 200-800m in the reservoir area. High, steep slope, thin soil layer, high gravel content, low organic matter content), and the soil fertility and land productivity of the newly reclaimed land are extremely low, so the migration of immigrants is greatly hindered. [0005] Contents of the invention [0006] Aiming at the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a method for rapid thickening and maturation of purple newly improved soil in the Three Gorges Reservoir area. T...

AI Technical Summary

Problems solved by technology

[0004] In order to resettle the rural immigrants of the Three Gorges Project, the state invested hundreds of millions of dollars to reclaim more than 100,000 mu of barren slopes at an altitude of 200-800m in the reservoir area. high, steep slope, thin soil layer, high gravel content, and low organic matter content), the soil fertility and land productivity levels of the newly reclaimed land are extremely low, so the migration of immigrants is greatly hindered

Images