What is winter grain and what crops are harvested in winter?

Lead: China is a populous country, so people need a lot of food to meet their needs. The food is rich in nutrition, including protein, vitamins, dietary fiber and fat. Grain is divided into winter grain and summer grain. So, do you know what winter grain is? Which crops are harvested in winter? Let's have a look.

What is winter grain?

Winter grain is winter wheat, winter rice, winter rape and other grains. Grain is a necessity for people's survival, and a certain grain reserve plays an important role in stabilizing people's psychology. Grain is an important source of income for farmers and raw materials for industrial products. Adequate food supply is of great significance to the long-term stable development of the national economy.

Which crops are harvested in winter?

Celery: There are not many kinds of crops harvested in winter. Because of the low temperature in winter, most crops have poor cold tolerance, so they will be harvested in autumn. Most crops planted in winter have excellent cold tolerance, and celery is one of them.

Chinese cabbage: the growth cycle of Chinese cabbage is about one month longer than that of Chinese cabbage, and it takes about two months to fully mature during planting. It has strong cold resistance, can be harvested in winter and can be preserved for a long time.

Radish: Under normal circumstances, radishes can be planted all year round, but most varieties have good cold tolerance and drought tolerance, even at MINUS three or four degrees Celsius, they will not freeze to death, so they can also be planted in autumn and harvested in winter.

How did the grain come from?

1. Soil preparation, just arrived every spring. After several spring rains, there was water in the fields. At this time, farmers will begin to prepare the soil and prepare for transplanting rice seedlings. However, soil preparation is definitely not as simple as most people think. Soil preparation should not only cultivate the land, but also arrange the ridges, fill the leakage, repair the water inlet and drainage ditch, and accumulate fertilizer with farmyard manure. In short, all the mud in the field should be turned into mud, and the whole field should be ground well before sowing can begin in the field.

2, seedling raising, seedling raising is actually carried out at the same time as soil preparation. Generally, a small piece of land will be taken out to raise seedlings first. Seedling raising is a technical activity, which tests the technology very much. Farmers generally buy excellent rice seeds (rice seeds can't be preserved by themselves, so special "seed production" must be used). After you have rice seeds, you must sprout them at home first. Every time rice germinates, it is to harvest more rice, so the success rate of germination is directly related to the harvest rate. After accelerated germination, seeds will be planted in a field to cultivate seedlings, which is "seedling field" in the words of farmers.

3. transplant. After more than 20 days to a month, the seeds have grown into green seedlings. At this time, we can pull out the seedlings and transplant them in various fields. There are many ways to transplant rice seedlings, such as throwing them. In addition, rice transplanters can be used to replace manual labor. When there was no transplanter before, transplanting rice was particularly tiring. You have to bend down and insert them into the mud one by one, which will make your back ache and you want to cry. In addition, beware of leeches. This insect sucks blood very badly.

4, daily management, the daily management of rice is very much, very tired. When the seedlings are ready, you can leave them alone for the time being, as long as there is water in the field. When the seedlings are completely alive and grow tall, fertilization and weeding will be started. Fertilization can use farmyard manure, chemical fertilizer, weeding, manual pulling and direct application of herbicides. There is also to observe whether there are pests at all times. If there is, it should be sprayed. In the past, spraying drugs was all manual, which was too inefficient. People used to be poisoned by spraying drugs, but now, there are drones spraying drugs.

Another major difficulty in daily management is irrigation. Rice planting must have water, otherwise it cannot be planted (except for a few upland rice varieties). Rice can't lack water at flowering and heading stage, and everyone is diverting water for irrigation. When there are more people carrying water, people will have contradictions. People used to compete for water diversion, but now they usually listen to the village leaders to arrange time, and everyone will divert water at a fixed time. Some people arrange water diversion during the day, but if they arrange water diversion at night, they must endure mosquito bites to divert water, and they can't always leave the scene, so they must keep an eye on it.

5, harvesting, after several months of hard work, when the ears of rice droop, golden and full, you can start harvesting. If there was no harvester before, it was particularly tiring to harvest by hand. Now there are large harvesters, which can harvest rice quickly and well. When rice is harvested and returned home, it is necessary to turn over the ground immediately to prepare for the planting of rice in the second season. After the rice is turned over, it is necessary to start transplanting for the second time, and there is no rest time. The rice we take home must be dried and weeded before it can be bagged and put into storage. After the rice is returned to the warehouse, if you want to eat it, you need to take it to the rice mill for rice milling, so that you can finally get snow-white rice.