1. Fertilizer requirements: Due to the long growth period, broccoli has a large demand for nutrients. Nitrogen and potassium are the most important requirements. In particular, more nitrogen fertilizer is needed during the vigorous growth of leaf clusters, and more phosphorus is needed during the formation of flower bulbs. Before budding, we must ensure adequate supply of phosphorus and potassium nutrition. In addition, the demand of broccoli for boron, magnesium, calcium and molybdenum is also relatively large. Therefore, on the basis of ensuring the supply of nitrogen, phosphorus and potassium fertilizers, appropriate amounts of boron, magnesium and other trace elements should be applied. 2. Fertilization technology: The fertilization amount per mu for the whole growth period of broccoli under middle fertility level is 2500-3000 kg for farmyard fertilizer (or 350-400 kg for commercial organic fertilizer), 20-23 kg for nitrogen fertilizer, 6-8 kg for phosphate fertilizer, and 11% for potash fertilizer. 14 kilograms, according to crop varieties and soil fertility appropriate adjustment of the amount of fertilizer, nitrogen, potassium fertilizer sub-basic fertilizer and three top dressings, phosphate fertilizer all as base fertilizer, fertilizer and farmyard fertilizer (or commercial organic fertilizer) mixed application. Basal fertilizer: Apply 2500-3000 kg of farmyard fertilizer or 350-400 kg of commodity organic fertilizer per mu, 6 kg of urea, 13-17 kg of diammonium phosphate, 7-8 kg of potassium sulfate, and 0.5 kg of borax. Top dressing: 10-11 kilograms of urea in the lotus stage, 5-6 kilograms of potassium sulfate, 13-15 kilograms of urea, 6-8 kilograms of potassium sulphate in the early stage of the bulb formation, and 10-11 kilograms of urea in the middle of the mure. 5-6 kg. Fertilizers outside the roots: The boron deficiency in the soil can be sprayed with 0.1%-0.2% borax solution in the early and middle stages of formation of flower bulbs. The magnesium deficiency in the soil can be sprayed with 0.2%-0.4% magnesium sulfate solution 1-2 times. Commercial Gym Fitness Equipment combine innovative patented technology with total entertainment options to provide an exceptional user experience. The design of multiple preset programs enables a variety of treadmill exercises. Household Treadmill,Commercial Gym Fitness Equipment,Touch Screen Fitness Training,Training Fitness Equipment Haloxylon Ammodendron Medical Equipment Co., Ltd. , https://www.haloxylonmedical.com
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