Rapid fertilization method for newly-prepared yellow soil tobacco field

Abstract

The invention belongs to the technical field of soil improvement, and particularly relates to a rapid fertilization method for a newly-prepared yellow soil tobacco field. Through the steps of basal application and improvement of farm manure, alternate layout arrangement of wide ridges and narrow ridges, combination of the narrow ridges and the wide ridges to conduct organic fertilizer fertilization, green manure fertilization, straw mulching fertilization and the like, a technology which is low in cost and easy to control is provided, agricultural application and ripening fertilization of yellow soil are organically combined together, normal production of farmers is not affected, the farmers can learn and understand the technology easily, operation is convenient, and land utilization and maintaining are truly and organically unified. By the adoption of the method, soil ripening fertilization work can be completed in three years altogether, the production operation of tobacco growers can be conducted continuously, and certain economic incomes of the tobacco growers can be guaranteed.

Description

technical field [0001] The invention belongs to the technical field of soil improvement, and in particular relates to a rapid fertilization method for freshly finishing yellow soil tobacco fields. Background technique [0002] Yellow soil is a zonal soil formed under humid subtropical climate and bioclimatic conditions. The soil texture is mostly loamy, with good permeability and fertilizer supply. It is suitable for planting flue-cured tobacco. The distribution area of ​​yellow soil in tobacco-growing areas in my country is 15 million hectares. Mainly distributed in Sichuan, Guizhou and other provinces, it is the main tobacco-growing soil type in southern mountainous areas. However, its topography is complex, the fields are fragmented, the slope is large, and the cultivated land is relatively scattered. In some rocky desertification areas, the proportion of rocks in the cultivated land is relatively large, the cultivated land is relatively scattered, and the continuous plant...

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Problems solved by technology

The soil fertility and quality of the newly adjusted tobacco fields are poor, with low organic matter and C / N value, lack of available nutrients such as phosphorus and potassium in the soil, reduced soil microbial activity, thin soil layer, soil aggregate structure, poor water and fertilizer retention, and poor drought resistance. , the soil fertility and productivity of the new tobacco fields are extremely low, which greatly affects the yield and quality of tobacco

[0004] There are many cultivation measures and methods in the production of flue-cured tobacco. For example, Chinese patent CN200810069035.5 discloses a cultivation technique for flue-cured tobacco with concave double ridges and plastic film covering during the whole growth period. The function is to collect water, keep water and solve the seasonal drought in the tobacco field, but the current ridging machine cannot be used to rid the ridges, and manual ridges must be used to increase the workload of tobacco farmers; The method is mainly aimed at improving the quality of tobacco leaves, highlighting the regional characteristics of tobacco leaves, and making full use of land resources in tobacco areas without improving the soil; Chinese patent CN101897252 B discloses a method for rapid thickening and maturation of purple newly improved soil in the Three Gorges reservoir area, mainly for The purple soil is improved, and the crops are conventional crops, which are very different from flue-cured tobacco production. At the same time, the improvement of flue-cured tobacco fertilizer needs to take into account the quality of tobacco leaves. Tobacco field fertilization requires excessive nutrient input. Excessive nutrient input will cause tobacco leaves to be green and late-maturing, and difficult to bake. The quality of cured and tobacco leaves is poor, and the improvement of tobacco fields especially needs to take into account the synergistic improvement of soil fertility and tobacco leaf yield and quality

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