Auxiliary pollination: Putting bees during the flowering period can improve the effect of pollination. Place the bees in a suitable position in the garden 1 to 2 days before flowering, so that the bees can adapt to the environment of the garden. Improve fruit quality: The young fruit growth period after anthesis coincides with the prosperous period of new shoots, and the nutritional requirements are high. Supplement nutrition in time to promote fruit growth and development. For varieties with severe fruit cracking, calcium fertilizer should be sprayed on the leaves in time; the growth of new shoots should also be controlled to reduce the nutritional competition between the growth of new shoots and fruit growth.
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Silica black is the general name of white powder X-ray amorphous silica and silicate products, mainly refers to precipitated silicon dioxide, gas phase silicon dioxide and ultra-fine silicon dioxide gel, including powder synthesis of aluminum silicate and calcium silicate, etc. Silica is porous and its composition can be expressed as SiO2·nH2O, where nH2O is in the form of surface hydroxyl groups. Soluble in caustic soda and hydrofluoric acid, insoluble in water, solvents and acids (except hydrofluoric acid). High temperature resistance, non-combustion, tasteless, odorless, with good electrical insulation.
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