There are still many friends who plant corn in the late harvest. Most of the reasons are difficult to grasp because of the harvest time. It is easy to affect the corn yield in the early harvest time. In fact, the standard for judging whether the late harvest corn is mature is very simple. Get up and study.
1. Determine the late harvest period of corn based on the length of the plant.
At present, the compact corn varieties used in production have a "fake cooked" scene, that is, the corn stalk leaves turn white early and the grain has not stopped stagnating. These varieties are often harvested early. In production, the milk granules in the lower part of the corn ear are dissipated, and the grain water content is about 30%. When the stalk leaves become white and loose, the harvested grain weight is the highest, and the corn yield is also the highest, which can be used as the main indicator of suitable harvest. At the same time, the formation of the black layer at the base of corn kernels is also an important reference indicator for proper harvesting.
2. After the corn is harvested, the skin is dried in time.
Do not stack after harvesting, pick up the skin on the tree or take it with a skin stick and then transport it home. It can also promote the new corn mink machine for suede, which can save a lot of labor.
3. The corn harvested in the evening is threshed and aired at the right time.
Because the water content of late harvest corn is usually around 30%-40%, farmers can choose sunny weather to dry according to weather forecast. When the water content is 20%-30%, timely degranulation and drying, drying to corn moisture content is 14 % below is appropriate.
At the same time, the corn harvest can increase the amount of protein and amino acids and increase the quantity of commodities. The proper late harvest of corn not only increases the starch content of the grain, but also increases the amount of other nutrients. In addition, the corn kernels harvested in a timely manner are full and full, the seeds are relatively uniform, the small grains and the glutinous grains are obviously reduced, and the water content of the grains is relatively low, which is convenient for threshing and storage.
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