Harvest and storage methods of sweet potato

Sweet potatoes planted in spring can be harvested soon. Sweet potato harvesting needs to dig sweet potatoes out of the ground, so some problems need to be paid attention to. After harvest, if the quantity is not large, animal feed can be stored in dry places for a short time, but to keep seeds, it needs winter storage. How should I store it? Let's take a look.

1. Harvesting methods

When digging sweet potatoes, you can't cause wounds, gouges. Or is the end of the fine roots broken, are not good, sweet potato will immediately flow juice, easy to rot. Not resistant to storage. Digged sweet potatoes can not be stored after cleaning, easy to break. Short term storage should be in a dry, ventilated place. When harvesting and transporting, handle with care and do not bump into wounds. Fully ripe sweet potatoes should not be left in the field all the time, they are easy to rot.

2, selection processing

Store large, good sweet potato seeds as seed potatoes, and take out the peeled, dug, bruised, worm-infested and already rotten ones. Then spray a certain concentration of carbendazim solution sterilization, or carbendazim 1000 times solution soaked sweet potatoes, one by one soaked, taken out after drying = re-storage. It's sterile and doesn't rot easily.

3. Cellar storage

In the south, cellars were built to store sweet potatoes. Cellars dug in a cool, dry place were half underground and directly entered and exited from ground openings. Open the hole, let it go in for a few days, clean it, and go down to avoid hypoxia. After cleaning, spray carbendazim, then put sweet potatoes in, lay flat, do not overlap.

4. Precautions

Generally, you can check it for a while. The underground cellar is easy to lack oxygen. Before going down, you should take a good candle to test it. If the fire goes out, there is no oxygen. We can't go down there. There is also a cave type storage room. But it needs to be dug where there's a lot of sand. and higher ground. There's usually no lack of oxygen. But small animals are easy to enter and need attention.

Sweet potato when digging pay attention to digging, let sweet potato appear directly out, do not cause wounds. After storage treatment, it is more resistant to storage, and the cellar is safe to use.