For the grain of wheat, there are six major grain quality indicators. They are grain color, hardness index, bulk density, water content, protein content, and falling value. Among them, wheat bulk density is one of the important indexes to measure the grain quality of wheat. It is a comprehensive reflection of wheat grain size, shape, uniformity, depth of abdomen, endosperm texture, and powder extraction rate. It is the weight of one-liter wheat grain. So often expressed in grams/liter or kilograms/meter3. The bulk density of wheat is generally determined by using a wheat-maize weight tester, which plays an important role in the acquisition, transportation, and processing of wheat.
Since the bulk density of wheat reflects the fullness of wheat grains, if reasonable cultivation measures can be taken to ensure the accumulation of wheat grain during the production process, it will have a very important effect on increasing the bulk density of wheat and will directly affect the determination of wheat. Waiting for the purchase price. The use of wheat-maize weight receptors to determine the bulk density values ​​of wheat under different cultivation measures, through comparison, can help us to study the important influence of cultivation measures on the bulk density of wheat and find the final answer.
The use of wheat corn bulkheads to determine the study found that there is a suitable fertilizer and water supply in wheat grain filling period, its bulk density can be increased accordingly, the specific management measures, re-fertilizer water at jointing stage, can promote ear multiple grain weight; Appropriate fertilizer and water promotion at flowering stage can ensure the grain filling needs; pay attention to raising roots and protecting leaves, can also effectively ensure the photosynthesis of wheat and promote grain filling. Prevention and control of pests and diseases is also critical to increase the bulk density of wheat, because if the panicle blast, etc., directly absorb the grain slurry, it will cause the grain to be less full, reduce the 1000-grain weight, and reduce the bulk density, which is why the pests and pods often have a low bulk density. the reason.
From the above studies, it can be seen that adopting reasonable cultivation measures in the production process to increase production weight has a significant effect. At the same time, it can also be seen that the bulk density value measured by the wheat-maize weightmeter can indeed reflect the quality of wheat to some extent, the cultivation measures are reasonable, the quality of wheat is good, the bulk density is often relatively high, the cultivation measures are unreasonable, the wheat growth is not good, and wheat The quality is low and the bulk density is often low. From this we can see that using bulk density as one of the main basis for determining wheat is reasonable.
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