The absorption of nitrogen fertilizer by rice in the best topdressing stage of rice is gradually increased from the time of greening, and reaches the highest peak of fertilizer absorption at the peak of tillering. In order to promote early rice and early tillering, early application and heavy application of manure should be applied. Generally, 7 to 10 days after transplanting, 10 kg of urea per mu is applied, and 15 to 20 kg of urea is applied after heading.
The best topdressing period of sorghum is to meet the nutrient needs of sorghum from jointing to heading. The first fertilizer should be applied at the jointing stage, and 8~12 kg of urea should be applied per acre. 10 kg of urea per mu.
The nutrient critical period of peanuts during the best topdressing stage of peanuts is in the early stage of fertility. About 15 days after the emergence of peanuts, the flower buds begin to differentiate and the nodules begin to form. When there are two pairs of side branches in the plant, the nitrogen fertilizer should be applied once in time, and the urea should be applied 5 to 10 kg per mu. After the peanut is flowered, it is combined with the soil and sprayed with multiple micro-fertilizers, which is beneficial to reduce the empty fruit rate and increase the peanut yield.
Soybean is the best fertilizer for the topdressing period, but it has a nitrogen supplement that can solve some nitrogen sources. However, during the growth period, the fertilizer should be applied in stages. Usually, the nitrogen fertilizer is applied once in the early flowering stage of soybean, which can reduce the rate of flowering and falling, and can prolong the life of the plant, increase the grain weight and increase the yield. Generally, 8~12 kg of urea can be applied per acre. In the pod-forming stage of soybean, if the multi-micro-fertilizer is sprayed once on the leaf surface, the yield increase effect is more obvious.
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Commercial lighting is a term used to describe lighting that is used in commercial spaces, including auto dealerships, distribution centers, churches, factories, offices, and warehouses. Unlike residential lighting, commercial lighting is made to withstand more abuse and has a longer lifespan.
While the focus of residential lighting is often on aesthetics, commercial lighting is task orientated. Commercial lighting systems are designed based on what the application is. For example, in an office-type setting, you may see task lighting, which illuminates specific areas where employees need concentrated light to be able to perform their jobs.
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