Cassava is native to Brazil and is widely cultivated in tropical regions of the world. China's Fujian, Taiwan, Guangdong, Hainan, Guangxi, Guizhou and Yunnan provinces have cultivated, and occasionally Yi is wild. So, how does cassava grow high yields? What is the economic value? Cassava can be harvested for many years and is a plant that is easy to grow. It has strong adaptability to the environment. Generally speaking, the yield is relatively high and the economic value is relatively affordable. It usually appears in the form of powder, and many of you prefer to eat food made with tapioca flour. So when is the cultivation time of cassava? How to plant it?
Planting time cassava is usually planted in February or April of each year. Of course, different regions may be planted for a different time, because cassava needs to grow in an environment above 15 degrees, if it is lower than this. The temperature will be frostbitten or frozen, so the first year of planting and harvesting will be done until the winter dormant period.
Planting method
1, choose the soil preparation
Cassava is a kind of product imported from abroad. It has many varieties suitable for growing in China. However, if you want to grow cassava, the first thing is to choose the variety of cassava. When choosing seeds, we should choose a larger tuber. Carefully observe whether the surface of the stem is damaged or rotted, and then look at the buds that are not smeared, whether it is damaged, or whether it has been bitten by the worm. Finally, choose the appropriate tuber to make the seed, of course, of course. Cassava can also be seeded, generally using the South China brand. When the land is finished, the soil should be made fine, and then the ridges should be made to ditch and the base fertilizer can be applied.
2, planting methods
There are three ways to plant cassava, which are flat, oblique and straight. We can choose the way to plant according to different terrain, soil, environment and temperature. When planting, the selected tubers or seeds are planted at intervals of about 80 cm in different ways, and then covered with a thin layer of soil, and then they are waiting for it to break ground.
3, field management
The first thing to do in field management is to replenish the seedlings in time if there are some unearthed after 20 days, try to fill the seedlings within ten days, and then plant them. After planting, it is necessary to carry out the first weeding when it grows new roots and leaves. The method of weeding is usually cultivating and weeding. The second weeding is usually two months later, and the last weeding is one of the second weeding. After the month, this weeding should be accompanied by a fertilizer to promote the growth of cassava.
Cassava needs to be fertilized twice a year, the first is about thirty-five days after planting, and the second is about one hundred days after planting. The commonly used fertilizers are urea, potassium chloride and nitrogen fertilizer. Make the root length greatly and accumulate starch.
4, pest control
Cassava generally has few diseases, and the main prevention is the two pests, the voles and the cassava, which are generally used for drug prevention and loss reduction during the growth of cassava tubers.
5, harvesting method
Since cassava can be harvested for many years, it has no fixed harvest time. Generally, it is only as long as the cassava has been growing for a certain period of time. When you want to eat, you can go to the field to dig. If it is for sale, you can dig a little at the root of the cassava to see if it is mature. Just grow it to a certain size and you can harvest it. Finally, I would like to remind you that the collection time of cassava is only five or six days, so pay attention to it.
How is cassava planted with high yield?
1. Apply enough base fertilizer
Many people plant cassava into the mountains and drylands, do not apply base fertilizer, and grow long, so the yield is very low. In order to improve the planting efficiency of cassava, the land should be turned first, the plant spacing should be 1 meter, the hole should be well, and the mixed fertilizers such as chicken manure, grass ash and garbage mud should be applied. Each bowl has a large bowl, which lays a foundation for emergence and long potato.
2. Choose good varieties
It is good to plant good seedlings, and the yield is high. The improved cassava has Nanzhi 188, Zhongshan cassava, etc. If the tail stem and branches are used for seeding, the potato is small and small. Use the disease-free, non-injury, dense roots of the main stem 1 m for seeding. Take 20 cm for a section, use a sharp knife to cut out the oblique mouth at the lower end, 8 cm on the oblique mouth, cut the skin to the xylem, peel off a gap of 2 cm in length, 3/4 of the stem circumference, leaving 1/4 skin Output moisture and nutrients, up to 14 cm, and then cut a gap, place the stems horizontally in the base fertilizer hole, and cover the soil with 3--5 cm. This new planting method is drought-tolerant, wind-resistant, and it is not easy to turn over and fall, and the multi-layered potato is easy to grow thick and long.
This article URL: How to grow cassava and how to grow high economic value
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