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Sand-base composite soil

A composite soil and sand base technology, which is applied in land consolidation and farming resources, can solve problems such as natural environmental hazards, high cost, and unsatisfactory planting effects, and achieve good permeability, ease the shortage of cultivated land resources, and good water retention Effect

Active Publication Date: 2013-03-27
陕西地建土地工程技术研究院有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Common methods such as applying water-retaining agents and other chemicals in the sand, but this method is costly and has a certain harmful effect on the natural environment, and the planting effect is not ideal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085]The sand-based composite soil in this example is a mixture of Paleo-Mesozoic sedimentary rocks and sand with a volume ratio of 1:3. The particle size of the Paleo-Mesozoic sedimentary rocks is 2 cm to 4 cm. The Paleo-Mesozoic sedimentary rocks used are collected from Yulin City, Shaanxi Province. Mengjiawan Village, Mengjiawan Township, Yuyang District. Plant potatoes with the sand-based composite soil in this example in a conventional way and in the later stage of management and protection, and its yield can reach 704kg / mu, which is higher than the yield of 510kg / mu of potatoes planted by the same method on loess land.

Embodiment 2

[0087] The sand-based composite soil in this example is formed by mixing Paleo-Mesozoic sedimentary rocks and sand with a volume ratio of 1:1.7. The particle size of Paleo-Mesozoic sedimentary rocks is 3cm to 4cm. The Paleo-Mesozoic sedimentary rocks used are collected from Yulin City, Shaanxi Mengjiawan Village, Mengjiawan Township, Yang District. On the sand-based composite soil in this embodiment, the wheat is planted according to the conventional method and the method of post-management and protection, and its yield can reach 443kg / mu, which is equivalent to the yield of 463kg / mu of wheat planted in the same way on the loess.

Embodiment 3

[0089] The sand-based composite soil in this example is a mixture of Paleo-Mesozoic sedimentary rocks and sand with a volume ratio of 1:2. The particle size of the Paleo-Mesozoic sedimentary rocks is 2 cm to 4 cm. The Paleo-Mesozoic sedimentary rocks used are collected from Yulin City, Shaanxi Province. Mengjiawan Village, Mengjiawan Township, Yuyang District. On the sand-based composite soil in this embodiment, soybeans are planted according to the conventional method and the method of management and protection in the later stage, and the yield can reach 257kg / mu.

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Abstract

The invention discloses sand-base composite soil. The composite soil is prepared by mixing Paleozoic and Mesozoic sedimentary rock and sand in a volume ratio of 1:(1-5), wherein the particle size of the Paleozoic and Mesozoic sedimentary rock is 2 to 4 centimeters; or mixing Paleozoic and Mesozoic sedimentary rock and sand in a volume ratio of 1:(1-3), wherein the particle size of the Paleozoic and Mesozoic sedimentary rock is 3 to 4 centimeters. The sand-base composite soil disclosed by the invention has high permeability and water-retaining property; the physical and chemical properties of the sand-base soil are equivalent to those of soil; and when the composite soil is used for growing plants, the yield of the plants may reach that of crops grown in common soil. The invention provides an effective method for turning sandy lands into cultivated lands, and provides an effective means for relieving pressure caused by land source shortage.

Description

technical field [0001] The invention belongs to the fields of land consolidation and farming resources, and in particular relates to a sand-based composite soil suitable for planting crops. Background technique [0002] For agricultural cultivation, sandy land is a kind of land resource that is difficult to use. In view of the extensive geographical distribution of sandy land and the needs of human survival, human beings have improved the characteristics of sandy land from various angles to meet the needs of agricultural planting. . As for the application of sandy land in agricultural cultivation, the biggest problem is how to improve the characteristics of sandy land so that its physical and chemical properties are close to that of soil, so as to adapt to the growth of specific crops or economic crops. Common methods such as applying water-retaining agents and other chemical substances in the sand, but this method is costly and has a certain harmful effect on the natural e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00
Inventor 韩霁昌
Owner 陕西地建土地工程技术研究院有限责任公司
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