Centrifuge tubes are used in laboratory centrifuges, machines that spin samples in order to separate solids out of liquid chemical solutions. The centrifuge tubes can be made of glass or plastic, and resemble miniature test tubes with tapered tips. They are mainly used in series test like the centrifuge of nucleic acid
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First, it is highly targeted. Foliar fertilizers can determine the type and formulation of nutrients based on soil nutrient abundance, soil fertility levels, and crop nutrient requirements.
The second is to absorb quickly. Foliar fertilizer has a faster speed and effect than soil fertilization.
Third, the effect is good. Among the dry matter that forms crop yield, 90-95% of the dry matter comes from photosynthesis products. After the foliar spray fertilizer, the leaves absorb a lot of nutrients, promote various physiological processes in the crop, and significantly increase the photosynthesis intensity. Effectively promote the accumulation of crop organic matter, increase the fruit setting rate and seed setting rate, increase production and improve quality.
The fourth is the amount of use. Foliar fertilizer is sprayed on the leaf surface and does not directly contact the soil, avoiding the fixation, failure or leaching loss of nutrients in the soil. Foliar spray is usually used in very small amounts, and the concentration is very low. The dosage is only one tenth to one fifth of the soil fertilization. After nutrient absorption, it is directly transported to the most vigorous part of the crop growth, and the nutrient utilization rate is high. .
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