Tobacco field soil improvement method
A soil improvement and tobacco field technology, applied in land preparation methods, agricultural machinery and implements, agricultural gas emission reduction, etc., can solve problems such as nutrient imbalance in tobacco planting soil, reduction of tobacco resistance, and reduction of fertilizer utilization rate.
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[0021] 1. Test site
[0022] The test was arranged in Zhaojia Village, Wulong County. The soil texture of Zhaojia Village is paddy soil, 1036 meters above sea level, 107°33.588′ east longitude, 29°16.593′ north latitude, and the soil fertility is medium.
[0023] 2. Experimental design
[0024] The water content of ryegrass was determined to be 80wt%, and the nutrient content in the dry sample is shown in Table 1.
[0025] Table 1 Nutrient content of dry ryegrass samples (%)
[0026] .
[0027] Set the ryegrass fresh grass turnover to 7500kg / hm 2 、15000㎏ / hm 2 、22500㎏ / hm 2 、30000㎏ / hm 2 Four treatments (i.e. dry weight 1500kg / hm 2 、3000㎏ / hm 2 、4500㎏ / hm 2 、6000㎏ / hm 2 ), and the treatment without overturning ryegrass was used as the control.
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