Tobacco Fertilization Technology

The base fertilizer of tobacco generally applies all farmyard manure, phosphorus, potash fertilizer and about 60% of nitrogen fertilizer once. Topdressing: About 40% of nitrogen fertilizer is applied topdressing. Topdressing can be performed in two separate operations. For flue-cured tobacco, sun-cured tobacco and burley tobacco, it should not be later than 30 days after planting; and the top-dressing of red cigars and cigars may be delayed till the top-opening fertilizer. Tobacco fertilizer commonly used acupuncture, ditching and watering. The depth of fertilization should be within 5-20 cm of soil. The effect of simultaneous application of ammonium nitrogen and nitrate nitrogen in tobacco is good: it is not prone to nitrogen deficiency in the early stage and excess nitrogen in the later stage. It is in line with the law of fertilizer demand when tobacco is “less rich, old and poor”, which is conducive to the normal yellowing of tobacco, easy baking, and good flammability. Tobacco is very sensitive to chlorine. When the chlorine content in the leaves exceeds 1%, the leaves will burn badly and the flames will be extinguished in severe cases. Therefore, you should use less chlorine-rich fertilizer and use it as a compound fertilizer. The calcium absorbed by tobacco is second only to potassium, and it is also prone to zinc deficiency, and it is necessary to supplement the deficiency of calcium and zinc in the soil.

Astragalus Membranaceus, also known as Mianqi. Herbs perennial, 50-100 cm tall. The main roots are thick, woody, often branched and gray-white. Stems erect, upper branched, finely angled, white pubescent. Herbs perennial, 50-100 cm tall. It is produced in Inner Mongolia, Shanxi, Gansu, Heilongjiang and other places.
The medicinal use of Astragalus membranaceus has a history of more than 2000 years. It has the functions of enhancing immune function, protecting liver, diuresis, anti-aging, anti-stress, antihypertensive and a wide range of antimicrobial activities. However, it is forbidden to use the evidence of excessive superficial pathogenic factors, stagnation of qi stagnation and dampness, stagnation of food accumulation, excessive heat and toxicity at the beginning of carbuncle or after ulcer, and excessive Yin deficiency and yang.


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