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Method for rapidly improving plough-layer soil of newly cultivated barren lands in southern hilly and mountainous regions

A technology for hills and land, applied in the fields of soil preparation methods, botany equipment and methods, agricultural machinery and implements, etc., can solve problems such as inability to plant and use, low maturity of plow layer soil, and poor soil fertility, so as to improve permeability , strong soil adaptability, and the effect of accelerating the accumulation of organic matter

Inactive Publication Date: 2013-02-20
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a solution to the problem that a large amount of barren land newly reclaimed due to the need for the balance of cultivated land occupation and compensation in the southern hills and mountainous areas of my country currently cannot be used for normal agricultural planting due to the low maturity of the cultivated layer soil and extremely poor soil fertility. An efficient, simple, and easy-to-use comprehensive soil improvement method for rapidly improving the soil maturity of the plow layer of newly reclaimed barren land

Method used

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  • Method for rapidly improving plough-layer soil of newly cultivated barren lands in southern hilly and mountainous regions
  • Method for rapidly improving plough-layer soil of newly cultivated barren lands in southern hilly and mountainous regions
  • Method for rapidly improving plough-layer soil of newly cultivated barren lands in southern hilly and mountainous regions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: (the ripening improvement of the newly reclaimed barren land plow layer soil in the gentle slope of Suichang Valley, Zhejiang)

[0032] (1) Preparation for reclamation of barren land: The following barren land in the southern region after reclamation according to the planning requirements will be used as the object of improvement. The specific implementation site is Liujia Village, Xifan Township, Suichang County, Zhejiang Province. The land for implementation is approved by the local government in 2008. The gentle slope of the river valley is leveled, and a layer of foreign soil about 30 cm thick is covered on the surface as the plow layer soil of the newly reclaimed land. The foreign soil is taken from the same mountain section, and the soil type is mountain yellow soil without any ripening treatment. , using soil improvement materials that meet the quality standards to mature and improve the plow layer soil on 10 mu of the newly reclaimed barren land;

...

Embodiment 2

[0041] Embodiment 2: (the ripening improvement of the newly reclaimed barren land plow layer soil in the gentle slope of Suichang Valley, Zhejiang)

[0042] In this example, the preparation and application of the mixture of fertilizer and water-retaining agent in step (3): its compound fertilizer, water-retaining agent and decomposed commercial organic fertilizer are prepared according to the ratio of 550:180:20000 kg / ha; step (4) ryegrass The first sowing, mowing and mulching: sowed on October 15, 2009, and the sowing rate was 25 kg / ha; from January 15 to May 30, 2010, a total of 4 days were carried out during the entire ryegrass growth period. The second cutting, the first season of ryegrass growth ended on June 25; step (5) sowing, mowing and covering of ryegrass in the second year: the second season was sown on October 15, 2010; and in 2011 On June 30, 2009, the plowing layer soil of the newly reclaimed land improved through planting the second-season ryegrass was plowed, ...

Embodiment 3

[0046] In this example, the preparation and application of the mixture of fertilizer and water-retaining agent in step (3): its compound fertilizer, water-retaining agent and decomposed commercial organic fertilizer are prepared in a ratio of 650:200:18000 per kilogram / ha; step (4) ryegrass The first sowing, cutting and mulching: it was sown on October 20, 2009, and its sowing rate was 28 kg / ha; and from January 15 to May 30, 2010, a total of Carry out 3 times of mowing until the first season of ryegrass growth ends on June 25; step (5) sowing, mowing and covering of ryegrass for the second time: the second sowing was carried out on October 20, 2010; And on June 30, 2011, the plow layer soil of the newly reclaimed land improved by planting the second-season ryegrass was plowed, and the surface was leveled; the remaining steps and processes were the same as in Example 1.

[0047] The physical and chemical properties of the plow layer soil before and after improvement were sampl...

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Abstract

The invention discloses a method for rapidly improving plough-layer soil of newly cultivated barren lands in southern hilly and mountainous regions, belonging to the technical field of soil improvement. The method comprises the steps of cultivating the barren lands for preparation; digging latticed fertilizing and planting ditches; preparing and applying mixtures including a fertilizer and a water-retaining agent; sowing seeds of ryegrass for the first time, cradling and covering; sowing seeds of ryegrass next year, cradling and covering; and the like. The method disclosed by the invention is definite in step and simple and feasible in process, after two years continuous integrated improvement, the soil bulk density is reduced, the void fraction is increased, the level of nutritive substances such as organic matters, total nitrogen, quick-acting nitrogen, phosphorus and potassium is improved obviously, the plough-layer soil can reach a medium fertility level, and normal agricultural utilization can be carried out. The method can be popularized and applied in newly cultivated barren lands in southern hilly and mountainous regions of China.

Description

technical field [0001] The invention relates to the technical field of soil improvement, in particular to a comprehensive improvement method for rapid maturation of plow layer soil by using newly reclaimed barren land in hills and mountains in southern my country. Background technique [0002] my country's cultivated land resources are scarce, and the per capita cultivated land area is at a relatively low level in the world. In recent years, my country's social economy has developed rapidly, and the speed of urbanization has never been greater. In the process of urbanization, a large amount of arable land has been transformed into land for urban construction, and the area of ​​arable land has been decreasing. In order to ensure food security and the basic needs of agricultural production, the state has introduced strict measures to protect cultivated land resources, and all regions have drawn red lines for the protection of cultivated land areas. In order to protect the re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02A01G1/00
Inventor 王建红曹凯张贤吴林妃丁炳红郑纪慈
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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