Machine-planting rice is transplanted with medium-sized and small-sized seedlings. Compared with conventional hand transplanted rice plants, its younger age is shorter and its stress resistance is weaker. However, the wide and shallow planting of machine-planted rice has created a favorable environment for the occurrence of low-node birthing. Therefore, the early field management of machine-to-planting rice should be stable, guaranteeing early return to green and early delivery.

1, scientific management of water. When the machine is inserted, do thin water transplanting. After the machine is plugged in, it is necessary to timely nurse the seedlings (except for rainy days). It is advisable to fill the water so as not to submerge the heart. 3-4 days after the introduction of thin water management, avoid deep water for a long time, so as not to cause roots, heart-breaking hypoxia, the formation of water-freezing seedlings. After the roots of the seedlings enter the tillering stage, they should be grounded in shallow water. When the water is poured, the water depth should be about 3 cm. It is appropriate to dry naturally and dry the water. This is repeated so as to adjust the fertilizer by water and adjust the water by water. The purpose of water to promote root and water vapor coordination. 2, formula fertilizer. Top dressing is early and strives to be finished within 1 week after transplanting. The dosage accounts for about 30% of the total nitrogen application. 3, integrated pest control. The main pests of rice include rice blast, sheath blight, rapae, aphids, rice planthoppers, leafhoppers, and rice leaffolders. The first is to prevent and reduce the harm of pests and diseases by selecting good breeds, nurturing strong athletes, and strengthening fitness cultivation. The second is timely prevention and control based on forecasting and forecasting of plant protection stations and combining field investigations.

Cosmetic Ingredients

Cosmetics are compound mixtures made from various raw materials after reasonable blending and processing. There are many types of cosmetics raw materials with different properties. According to the raw material properties and uses of cosmetics, it can be roughly divided into two categories: base raw materials and auxiliary raw materials. The former is a main raw material of cosmetics, which occupies a large proportion in cosmetic formulations, and is the main functional substance in cosmetics. The latter is responsible for shaping, stabilizing or imparting color, fragrance and other characteristics to cosmetics. These substances are not used in large amounts in cosmetic formulations, but are extremely important. Cosmetics are chemical mixtures made of natural, synthetic or extracted substances with different functions as raw materials and processed through production processes such as heating, stirring and emulsification.

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