In addition to planting rice, "rice soil" is planted?

Chong Chong's "Sanpu" small class has brought everyone to know the yellow soil and purple soil. In this issue, Chong Chong will explain the rice soil of Chongzhou for everyone.

The soils of Chongzhou mainly include rice soil, purple soil, yellow soil, tide soil, brown soil, dark brown soil and other types. Among them, rice soil accounts for the largest proportion in cultivated land, mainly distributed in plain areas.

Sampling point position: Zhonghe Community, Longxing Town, Chongzhou City

The sampling point is into the earth environment: the terrain is the plain, the altitude is 511 meters, the mother rock is quartz rock, the planting crops are rice, and the type of land use is into a paddy field.

Type of sampling point soil: According to the standards of "Chinese soil classification and code (GB/T17296-2009)", soil types are soil types are rice soil, sub-category: 潴 采 采 采Earth yellow mud fields.

The formation and distribution of rice soil: Rice soil refers to the periodic oxidation reduction and material solution of the parent or female soil under the condition of long -term seasonal flooding or water and drought cultivation, which leads to a series of new soil occurred in a series of new soils. Soil with layers and soil structures. Because the biological characteristics of rice are widely adaptable to the climate and soil, rice soil can develop on different biological climate bands and different types of parent soil. Rice and soil is one of the important farming soils in my country. It is mainly distributed in the vast plains, hills and mountainous areas south of the Qinling to Huaihe.

The characteristics of Chongzhou rice and soil: Chongzhou rice soil is dominated by large soil yellow mud fields, Wenjiang oil sand fields, and Xindu Da Ni fields. Generally speaking, the soil layer is deep, the fertility is good, the texture is moderate, the storage power is strong, the organic matter is rich, and it has a good soil structure. The large soil and yellow mud fields are mainly distributed west of the West River. The texture is sticky, the cultivation is poor, and the soil is cold. The water, fertilizer, qi, and thermal conditions are not coordinated. To the east of the Xihe, it is slightly acidic, the loam-sandy loam, the soil is deep, the cultivated layer is loose and soft, easy to cultivate, coordinated with water, fertilizer, gas, and heat The mud field is mainly distributed in the range of 500-1500 meters on both sides of the West River, and Huaiyuan and Street Town. It is slightly acidic and neutral. The loam-derived loam. Generally, it can obtain higher output under the management of water and fertilizer.

Which crops are suitable for rice and soil: Rice soil is mainly planting rice in summer, and in winter, wheat, rapeseed, garlic, vegetables, etc. in winter. The distribution area of ​​the Da Tuhuang Ceutan field is an important planting base in Chongzhou City; the distribution area of ​​Wenjiang Oil Sandfield is suitable for the composite planting model; the new capital Da Ni Tian distributed area planting high -quality grain and oil crops, and the output of oil crops is high.

Chongzhou, as the core demonstration area of ​​the "Tianfu Grassment", has fertile soil and excellent water quality. It has always been the production area and growing place of Tianfu's high -quality grain and oil.

Featured products of rice and soil: Longxing rice is named after native to Longxing Town, Chongzhou City. It is a special product of Chongzhou City, Chengdu City, Sichuan Province. Longxing rice has less white grains, low whiteness, normally taste of rice, soft and hard taste, good chewing, good rice grain integrity, shiny, and strong rice flavor. On September 5, 2018, the Ministry of Agriculture and Rural Agriculture of the People's Republic of China approved the registration and protection of the geographical indication of agricultural products for "Longxing Rice".

Have you learned these knowledge about rice and soil?

Text, picture: Editor Tang Hailong: Zhang Shihai Liu Ruiyu

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