1. Site selection and preparation The subway stick yam plantation should be selected from flat terrain, loose soil structure, drainage performance, and well-ventilated sandy soil. If it is in a land without heavy stubble, it usually needs to be deeply turned and dried. After selecting the plot, you need to finely prepare the land. When preparing the land, you need to use rotted farm manure, cake fertilizer, etc. as the base fertilizer to carry out the land preparation.
2. When the soil temperature of 5 centimeters is stable and above 10 degrees Celsius, the planting of iron stick yam can be started at the right time, generally in the middle and late April of each year. The planting density of iron stick yam is about 7000~8000 plants/mu, the row spacing of plants is 10×70 cm, and the soil is about 4 cm after sowing.
3. Watering cultivation and management. Iron stick yam cultivation requires timely watering to maintain moisture. When watering for the first time, you should not over-water. When the surface is not completely dry, a second watering should be carried out. The number of watering should increase slowly, but the depth of watering should not exceed the root of the yam.
top dressing. Nitrogen fertilizer should be applied at the early stage of yam growth. Nitrogen fertilizer should be applied when the seedlings are fully grown, and the nitrogen fertilizer should be reapplied when the plants are first buds, to ensure that the growth of the stems has sufficient nutrition. During the growth of stems, the demand for N, P, and K fertilizers is greater.
Cultivation and weeding. After the emergence of the iron stick yam, it is necessary to carry out plowing and weeding in time to avoid weeds and iron stick yam competing for nutrients. It can be shallowly hoeed in the early stage and can be removed in the later stage.
Take a stand. The iron stick yam scaffolding is conducive to ventilation and light transmission and reduces the harm of diseases and insects. Generally, after the emergence of the iron stick yam plant, it can be tied with a pole and the height is about 1.5 meters.
4. Disease and pest management Diseases mainly include carbon blast, stem rot, white astringency, nematode disease, black spot disease, etc. The pests are mainly underground pests and wasps. In the management of plant diseases and insect pests, prevention should be the main focus, combined with agricultural measures and chemical control, to minimize the damage caused by plant diseases and insect pests.
5. Harvesting and processing After the frost, the leaves can be harvested when they fall down, and can also be harvested in the winter and spring. At the end of the iron bar yam field during harvest, dug a trench 70-80 cm deep, then dig the iron bar yam carefully to prevent damage, and then clean the soil to fold down the upper cage for storage and planting, and the rest in order Processed into Iron Bar Mountain Pills, Iron Bar Mountain Yam Powder, etc.
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