Planting Atractylodes macrocephala Koidz: how to prevent disease and apply fertilizer?

How to prevent disease and fertilize Atractylodes macrocephala Koidz? Please introduce the common diseases of Atractylodes macrocephala Koidz, root rot and white silk disease. The control methods are as follows: selected seedlings: no disease or insect, plump top bud, slender upper part, round tail, delicate epidermis, soft fine roots. Seed soaking disinfection and soil sterilization: technical planting and soil are the main transmission sources of root rot and silk disease of Atractylodes macrocephala Koidz. Therefore, it is necessary to do a good job of disinfection and soil sterilization. The solution of 4000 times of carbendazim, carbendazim and topurazine can be used for seed soaking and sterilization, and the soil can be sterilized with 3000 times of solution of Lvheng 1, 1500 times of Lvheng 2 or 50 kg of dimethazone mixed fine soil. Atractylodes macrocephala fertilization method: Atractylodes macrocephala growth period is long, need a lot of nitrogen, phosphorus, potassium fertilizer, especially very sensitive to potassium fertilizer, 20 kg potassium chloride per mu. The principle of fertilization is "applying sufficient basic fertilizer, early application of seedling fertilizer, re-application of plucking bud fertilizer, and skillful application of extra-root topdressing". The base fertilizer should be mainly organic fertilizer, combined with a certain amount of phosphorus and potassium fertilizer, and nitrogen fertilizer should be used as the main fertilizer for bud picking. Zinc is a necessary trace element for the growth and development of Atractylodes macrocephala Koidz. Zinc application can not only significantly increase the yield of Atractylodes macrocephala Koidz, but also improve the quality of Atractylodes macrocephala. Base application of 1-2 kg zinc sulfate per mu, combined with soil preparation, 0.5-1% zinc sulfate solution was sprayed on the leaves, and 2-4 times after the seedlings of Atractylodes macrocephala Koidz were sprayed. Click to get more planting techniques of Atractylodes macrocephala Koidz