Simplified sweet potato vine seedling nursing method for edible sweet potatoes
A sweet potato and potato root technology, applied in the field of agriculture, can solve the problems of restrictions, buy whatever seedlings are sold, and have no autonomy, and achieve the effects of low cost, reduced labor and labor intensity.
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Embodiment 1
[0021] 1. Light and simplified potato root and vine seedling raising technology for edible sweet potato and storage of potato root and vine in winter
[0022] (1) Pre-storage treatment of potato roots and vines: After the edible sweet potatoes are harvested in autumn, the edible sweet potatoes in the field in Jiangxi Province are generally harvested from late October to early and mid-November, that is, before the frost comes. For healthy potato root vines with disease and no mechanical damage, the upper part of the root vines leaves 3 nodes from the root upwards, leaves are removed, and 1 cm petioles are reserved for later use. Generally, there are 4000-4500 potato roots and vines per mu of edible sweet potato fields. To remove some potato roots damaged by pests, frost, and harvesting machinery, at least 3000-3500 potato roots and vines per mu can be selected.
[0023] (2) Potato root and vine storage measures: According to the amount of breeding seedlings required for field e...
Embodiment 2
[0029] In step 2 of above-mentioned embodiment 1 edible type sweet potato lightly simplifies potato root vine seedling raising technology potato root vine seedling cultivation, following method can also be adopted:
[0030] Heterotopic seedling cultivation in potato root and vine storage nursery: After wintering, the climate temperature rises after the spring equinox in the next year. Taking Jiangxi as an example, in late March, the temperature is stable above 10°C. 2 times select the nursery for seedling cultivation and expansion, according to the requirements of normal edible sweet potato production and cultivation standards, apply basal fertilizer to the site and transplant the germinated potato roots and vines, the row spacing is 50-60 cm, the plant spacing is 28-33 cm, and the density per mu is 4000-4500 plants The standard for sprouting potato root vine extension. The 2 / 3 sprouted potato root vines of the storage garden are moved in, and the storage garden retains 1 / 3 of...
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