A method for preventing fading of tobacco leaves after roasting
A tobacco leaf and roasted technology, which is applied in the field of tobacco, can solve the problems of poor growth and development environment of flue-cured tobacco, insufficient maturity of tobacco leaf harvesting, and reduced industrial availability of flue-cured tobacco, so as to improve the agronomic properties of the field, improve the ability to resist fading, and improve the appearance quality effect
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Embodiment 1
[0046] A method for preventing fading of tobacco leaves after roasting, wherein each raw material in the method is made according to the following ratio:
[0047] Dolomite powder 3000.0kg·hm -2 ;3000.0kg·hm -2 Biochar; 1500kg·hm -2 Peanut bran; boron fertilizer (borax) 40.0kg hm -2 ; Magnesium fertilizer (magnesium hydroxide) 30.0kg hm -2 .
[0048] Carry out high ridge deep planting (ridge height is 30% higher than local production).
[0049] Delayed harvesting: the lower leaves are harvested normally, more than 1 / 2 of the main veins turn white and shiny, the basic color of the tobacco leaves is green, the leaf color turns slightly yellow, and green beans appear, the leaf tips are obviously drooping, and more than 1 / 2 of the hairs fall off; the middle leaves are delayed 3 to 5 days, the main veins are all white and shiny, 2 / 3 of the branch veins turn white, and more than 2 / 3 of the leaf surface of the tobacco leaves turn yellow, with yellow to yellow-white mature spots; ...
Embodiment 2
[0057] A method for preventing fading of tobacco leaves after roasting, wherein each raw material in the method is made according to the following ratio:
[0058] Dolomite powder 3500.0kg·hm -2 ;3500.0kg·hm -2 Biochar; 1500kg·hm -2 Peanut bran; boron fertilizer (borax) 45.0kg hm -2 ; Magnesium fertilizer (magnesium hydroxide) 35.0kg hm -2 .
[0059] Carry out high ridge deep planting (ridge height is 30% higher than local production).
[0060] Delayed harvesting: the lower leaves are harvested normally, more than 1 / 2 of the main veins turn white and shiny, the basic color of the tobacco leaves is green, the leaf color turns slightly yellow, and green beans appear, the leaf tips are obviously drooping, and more than 1 / 2 of the hairs fall off; the middle leaves are delayed 3 to 5 days, the main veins are all white and shiny, 2 / 3 of the branch veins turn white, and more than 2 / 3 of the leaf surface of the tobacco leaves turn yellow, with yellow to yellow-white mature spots; ...
Embodiment 3
[0068] A method for preventing fading of tobacco leaves after roasting, wherein each raw material in the method is made according to the following ratio:
[0069] Dolomite powder 4000.0kg·hm -2 ;4000.0kg·hm -2 Biochar; 2000kg·hm -2 Peanut bran; boron fertilizer (borax) 50.0kg hm -2 ; Magnesium fertilizer (magnesium hydroxide) 40.0kg hm -2 .
[0070] Carry out high ridge deep planting (ridge height is 30% higher than local production).
[0071] Delayed harvesting: the lower leaves are harvested normally, more than 1 / 2 of the main veins turn white and shiny, the basic color of the tobacco leaves is green, the leaf color turns slightly yellow, and green beans appear, the leaf tips are obviously drooping, and more than 1 / 2 of the hairs fall off; the middle leaves are delayed 3 to 5 days, the main veins are all white and shiny, 2 / 3 of the branch veins turn white, and more than 2 / 3 of the leaf surface of the tobacco leaves turn yellow, with yellow to yellow-white mature spots; ...
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