Nutritional type tobacco field soil acidification modifier formula and use method thereof
A technology of soil acidification and improver, applied in chemical instruments and methods, soil conditioning materials, restoration of polluted soil, etc., can solve the problems of aggravated accumulation of heavy metal ions, decline of soil structure and fertility, and appearance of disadvantages, etc., to achieve Enhance nutrient absorption capacity and stress resistance, inhibit flue-cured tobacco bacterial wilt, and improve yield and quality
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Embodiment example 1
[0022] The experiment was carried out in the tobacco field of Huangdu Township, Xuancheng City, Anhui Province, and the representative acidified soil (pH 5.45) with the same soil texture and similar fertility was selected. The variety of flue-cured tobacco is Yunyan 97, the main local variety. The rice variety to be planted later is Wandao 129. According to the proportion of different groups of soil acidity improvers (quicklime, dolomite powder, bio-black carbon and silicon-calcium powder), the improvement effect of soil acidification is designed as follows. There are 4 treatments in this experiment, the details are as follows, CK is the one without acidification improver In comparison, T1 is the improver formula 1 (all quicklime), T2 is the improver formula 2 (20 parts of dolomite, 10 parts of quicklime), T3 is the improver formula 3 (20 parts of dolomite, 10 parts of quicklime, 10 parts of biological black carbon parts), T4 is improver formula 4 (20 parts of dolomite, 10 pa...
test example 2
[0029] The experiment was carried out in the tobacco field of Yangliu Town, Xuancheng City, Anhui Province, and the representative acidified soil (pH 6.0) with the same soil texture and similar fertility was selected. The variety of flue-cured tobacco is Yunyan 97, the main local variety. The experiment was designed according to different formulations and proportions of soil acidification amendments (quicklime, dolomite powder, straw bio-black carbon and silicon-calcium powder). A total of 4 treatments were set up in the test, specifically: CK was the control (no acidifying modifier), T1 was the modifier formula 1 (20 parts of dolomite, 10 parts of quicklime), T2 was the modifier formula 2 (20 parts of dolomite, 20 parts of quicklime, 10 parts of bio-black carbon), T3 is improver formula 3 (20 parts of dolomite, 10 parts of quicklime, 10 parts of bio-black carbon, 10 parts of silicon-calcium powder). The dosage is 1500kg / hm 2 . The experiment was repeated 3 times for each t...
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