Cauliflower has a greater need for nitrogen fertilizer throughout the growth process, while the absorption of phosphorus and potassium is concentrated in the growth phase of the flower bulb. The broccoli needs fertilizer characteristics similar to cabbage. In general, the nitrogen requirement is greater during the vegetative growth period, and nitrate nitrogen is the best, followed by potassium, and only more phosphorus is needed during the formation of the flower bulb. For each ton of cauliflower produced, its nutrient uptake is: N13.4 kg, P2O53.93 kg, and K2O9.59 kg is 1:0.3:0.7. Studies have shown that the rational application of nitrogen fertilizer, before the emergence of flower bulbs, forms a larger assimilation area and a stronger assimilation function, which is the key to improving the production of flower bulbs and improving product quality. Broccoli has more boron for trace elements, and when the soil is deficient in boron, it can easily cause browning or cracking of the flower bulbs, resulting in greatly reduced appearance quality. In addition, curd formation also has special requirements for molybdenum, which is a typical symptom of molybdenum deficiency in broccoli. Production should be prevented by the lack of trace elements caused by the decline in photosynthetic capacity and metabolic disorders.
The yellow mealworm is not only rich in protein, fat, polysaccharid and other organic macromolecular nutrients, but also rich in phosphorus, potassium, iron, sodium, aluminum and other trace elements. For every 100g of the yellow mealworm larvae, the protein content of dry powder is between 48% and 54%, the fat content is between 28% and 41%, and the contents of vitamin E, B1 and B2 are also high. Therefore, the yellow mealworm can provide high quality protein for the shrimp, make the shrimp high in nutrition and delicious.
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