Over-fertilized soil improvement method for ginseng planting on non-forest land
A soil improvement, non-forest land technology, applied in the field of ginseng planting, can solve the waste of natural resources and other problems, achieve the effect of increasing effective soil depth, improving utilization rate, and solving pesticide residues
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[0025] Improvement method of over-fertilized soil for ginseng planting in non-forest land:
[0026] 1 Determination of over-fertile land
[0027] The use of high chemical fertilizers in the soil in the early stage will cause the salt damage of ginseng. The leisure time should be more than 2 years (usually three years) before planting can be carried out. The EC value of non-forest soil is higher than 4mS / cm, the organic matter content is below 30g / kg, and the soil bulk density is 1.6g / cm 3 The above soil can be determined as over-fertilized land.
[0028] 2 specific operation steps
[0029] 2.1 Salt absorption
[0030] Plant crops in the first ten days of April of the first year of soil improvement on fertilized land. It is necessary to choose crops that require less fertilizer and can transform a large amount of nutrients in the soil. It is best to plant some animal husbandry feed crops, such as grass sorghum, sweet sorghum, amaranth and so on.
[0031] The amount of pl...
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