What are the precautions for rapeseed during harvesting? The need to pay attention to rapeseed during harvesting is to understand the maturity of rapeseed, to correctly judge the harvest period of rapeseed, and to master the correct harvesting methods. The specific small series will be explained in detail below, and I hope that it will help everyone.
First, understand the maturity of rapeseed
In simple terms, the ripening process of the whole plant pods of rapeseed is consistent with the order of flower bud differentiation, that is, the main post-sequence branching. The maturity sequence of the main inflorescences is that the lower part first matures, and then the middle and upper parts mature in turn. At the same time, the process and sequence of pod ripening on one branch are also consistent with the main inflorescence. Because rapeseed has the characteristics of first flowering first, then flowering and ripening, and the ripening of the pods is uneven, this can be regarded as a certain difficulty for the harvesting of rapeseed. Therefore, it is scientifically determined that the suitable harvesting period of rapeseed is The key to high yield.
Second, we must correctly judge the harvest period of rapeseed
The harvest period of rapeseed can be used as the scale for the suitable harvest period of rapeseed by the change of seed color. The specific operation is as follows: 10 middle and upper and middle sections of the main shaft are extracted, and 10 of them are peeled off, and the color of the grain is observed. Grain brown, half-brown and half-red grains are suitable for harvest.
Third, we must master the correct harvest method
(1) Harvesting method: The rapeseed harvest should be harvested with dew in the morning, so as to prevent the spine and the upper part of the branch from splitting the corners. Harvesting is to be lightly cut, lightly laid, lightly bundled, and lightly transported, and strives to minimize losses at every stage. When harvesting rapeseed, collect, bundle, pull, and pile. Do not stack and dry in the field to prevent cracking of the corners.
(2) Stacking and maturity: For the rapeseed harvested at the time of ripening, in order to promote the ripening of some under-mature corners, it should be piled up and matured in time. Stacking methods include cylindrical, square, etc., but no matter which one you choose, you should choose a place with high ground and no water to facilitate drainage, moisture, and prevent rapeseed.
(3) Threshing: After 4-6 days of dumping of rapeseed, the pectin is decomposed by pectinase, and the horn peel is split. The rapeseed has been separated from the horn peel. At this time, you can choose sunny weather, spread the rapeseed, crush, Threshing and lifting, when the water content of rapeseed drops to 8-9%, it can be stored.
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