Sweet potato planting: why does sweet potato crack its skin? How to prevent and cure it?
Why do sweet potatoes crack their skins? How to prevent and cure it? Please guide that the split skin of sweet potato is mainly caused by disease blister disease and nematode disease, you can refer to the following methods for control: first, select disease-resistant varieties. Second, establish disease-free planting land and cultivate disease-free and strong seedlings. Seed potatoes were disinfected with warm water of 50 ℃ ~ 54 ℃ for 10 minutes. Third, carry out soil disinfection. 80% dibromochloropropane 1.5 kg to water 100 kg 150 kg per mu or 70% dibromoethane 2.5 kg to water 200 kg 300 kg per mu, ditching and spraying 20 days before planting and immediately covering soil and ridging. Fourth, crop rotation and crop rotation. The effect of rotation with peanut is better, and it can be rotated for one year. The rotation time with corn and sesame is longer, and 2 ~ 3 years is the best. Click to get more sweet potato planting techniques click to get more vegetable planting techniques
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Sweet potato planting: how to fatten it in the later stage of planting sweet potato?
How to fatten up in the later stage of growing sweet potatoes? Please guide the fertilization method of sweet potato in the later growth stage, reasonable fertilization can prevent plant premature senescence, maintain the assimilation ability of leaves, promote the transport of nutrients to the root tuber, so as to increase the yield. After foliar spraying sweet potato entered the later growth stage, the absorption capacity of root system weakened, but.
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Sweet potato cultivation: how to control underground pests without pollution?
How does sweet potato control underground pests without pollution? Please introduce the method of planting sweet potato, which is easy to be damaged by underground pests, form insect path, make sweet potato rot, reduce its quality, and cannot be eaten seriously, resulting in reduced production and loss of harvest. Can refer to the following pollution-free methods to control sweet potato underground pests, neither any toxic residue, nor.
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