Cauliflower needs fertilizer characteristics: Cauliflower grows for a long period of time and has a large demand for nutrients. According to the research, for every 1,000 kilograms of flower bulbs produced, it is necessary to absorb 7.7-10.8 kg of pure nitrogen, 2.1-3.2 kg of phosphorus pentoxide, and 9.2-12.0 kg of potassium oxide in a ratio of 1:0.3:1.1. Among them, nitrogen and potassium are the most important ones, especially when the leaf clusters are growing vigorously, and more nitrogen fertilizers are needed. During the formation of flower bulbs, more phosphorus is needed. Before budding, we must ensure adequate supply of phosphorus and potassium nutrition. In addition, certain amounts of trace elements such as boron, magnesium, calcium, molybdenum, etc. are required for the growth of broccoli. Therefore, on the basis of ensuring the supply of N, P and K fertilizers, the supply of trace elements should be strengthened. Cauliflower Fertilization Technology: According to the characteristics of broccoli required fertilizer, basal fertilizer should be the main fertilizer. In the main fertilizer, nitrogen and potassium fertilizer can be applied to sub-basal fertilizer and 3 top-dressing fertilizers. Phosphate fertilizer can be used as base fertilizer. 1. Apply basal fertilizer: In order to meet the needs of early and long-term growth of cauliflower, and the subsequent growth period, the demand for fertilizer and water should not be limited to fertile, loose, loam soils with high water and fertility, but also full-fledged high-quality farmland mixed fertilizers. And nitrogen, phosphorus and potassium fertilizers as base fertilizer, basal fertilizer in the soil into the middle ground, usually every 667 square meters (1 acre) application quality circle fertilizer 2500-3000 kg, 15-20 kg NPK fertilizer (also available urea 6 Kg, 20-25 kg superphosphate, 6-8 kg potassium sulfate), 0.5 kg borax. 2. Appropriate top-dressing: after broccoli ripening after flowering, it is generally necessary to top-dress 3 times. The first time is the rosette period. Apply 10-11 kg of urea and 5-6 kg of potassium sulfate per 667 square meters to promote flower bud and flower bud differentiation. And flower ball formation. The second time is the initial formation of flower bulbs, applying 13-15 kg of urea and 6-8 kg of potassium sulfate per 667 square meters to promote the rapid expansion of flower bulbs to prevent hollow stems and flowers. The third time was the formation of a mid-balloon, with 8-10 kg of urea per 667 square meters and 5-6 kg of potassium sulfate. In combination with topdressing, we must pay attention to ensuring the supply of moisture and maintaining a certain degree of humidity in the soil. In particular, no drought should occur during the ball stage. Otherwise, the formation of flower bulbs will be inhibited and the yield will be reduced. 3. Top dressing outside the roots: Top dressing outside the root is an effective supplementary measure in the cultivation of broccoli. The emphasis is to supplement the deficiency of relevant nutrients or trace elements in the middle and later stages. For example, boron deficiency in soil can be sprayed with 0.1%-0.2% borax in the initial and middle stages of flower formation. Soil magnesium deficiency can be foliar sprayed with 0.2%-0.4% magnesium sulfate solution 1-2 times. Cauliflower requires very little molybdenum, but it is very sensitive. During the formation of curd, foliar application of 0.01% ammonium molybdate solution is possible. In short, according to the needs of the growth of broccoli, timely and good external dressing can effectively prevent premature aging, increase the production of flower bulbs and improve the quality of the curd. enous catheter set,central venous catheter price,central venous catheter kit,central venous catheter triple lumen Anesthesia Medical Co., Ltd. , https://www.medicaldiverse.com
How Cauliflower Fertilizes