How can yam achieve a bumper harvest? Recently, some people are asking about the problem of yam cultivation. Yam can also be called Huaishan. It can be stewed or used as medicine. It has high nutritional value. The following is a small series to talk about the technical points of yam cultivation.
1. Land selection
The plots for planting yam should be selected, the groundwater level is not high, the drainage is convenient, and the soil is fertile and loose sandy loam.
2. Site preparation
Apply 10% Fuqi (thiazolyl) per mu to 3~3.5 kg. If you do not have a trencher or trencher without a device, you can apply 10% blessing in the 40cm and 20cm soil layers. Thiazole phosphine) 3 ~ 3.5 kg, after the application of the top layer of the agent, remember to use the shovel to turn over again, and then go to seeding the soil.
3. Selection
Seed selection is a key point. Be sure to choose a pest-free, shiny yam as a seed. It is recommended to have a round shape.
4. Germination
Let the sun shine during the day, cover it with straw mats at night, and keep the temperature. It can be planted in about fifteen to twenty days.
5. Fertilization principle
Yam is suitable for applying organic fertilizer, which can be applied from the beginning of sowing until the hair is released. Of course, the application of organic fertilizer also depends on the nature of the soil, and the suitability of cattle, pig manure, and sheep manure is different. What needs to be noted here is that you should never apply organic fertilizer to the yam ditch.
6. Base fertilizer, top dressing
6.1 base fertilizer
According to the local yam farmers' fertilization law, the high-quality decomposed farmyard manure is applied to 3 to 5 square meters per mu, the decomposed chicken manure is the best, the bean cake is 100-150 kg, the mexican or diammonium phosphate is 75-100 kg, and the agricultural potassium sulfate is 100 kg. 25 kg of urea, 3 to 5 bags of biological fertilizer (40 kg per bag).
6.2 top dressing
The seedling stage is mainly nitrogenous, applying about 15 kg per mu. In the peak period of the growth of branches and leaves (early July), 25-30 kg of high-nitrogen and high-potassium compound fertilizer per acre can be applied, and 0.3% phosphoric acid can be sprayed. Potassium hydrogen, spray 2 or 3 times. In the first ten days of August, 25 to 30 kg of high-nitrogen and high-potassium compound fertilizer per acre was applied.
7. Rotation
In general, root-knot nematodes can survive in the soil for more than three years. The diseased head, diseased body and diseased soil are the main ways of transmission of nematode disease. The yam and cotton, radish, eggplant and pepper are implemented in the qualified areas. More than 3 years of rotation. New planting areas should strictly select no pests and diseases to prevent the introduction of nematodes.
The above is the high-yield planting point of yam. If you feel that you haven't seen enough, you can continue to pay attention to Hui Nong. Every day, Hui Nong.com will bring you the latest agricultural technology sharing!
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