Cauliflower fertilization has a coup

Medium fertility level, 1 mu target yield 2000~2500 kg. The fertilizing amount per mu for the whole growing period of broccoli is 2500-3000 kg for farmyard fertilizers (350 to 400 kg for commercial organic fertilizers), 20 to 23 kg for nitrogen fertilizers (N), 6 to 8 kg for phosphate fertilizers (diphosphorus pentoxide), and potassium (potassium oxide) ) 11~14 kg. Nitrogen and potassium fertilizers were applied to the sub-basal fertilizer and the top dressing was applied 3 times. The ratio of fertilizer application was 2:3:3:2. Phosphorus fertilizer was used as base fertilizer.

The basal organic manure was applied as a base fertilizer in one go. In addition, 6 kg of urea, 13-17 kg of ammonium phosphate, 7-8 kg of potassium sulfate, and 0.5 kg of borax were applied per acre.

The topdressing stage applies 10~11 kg of urea and 5~6 kg of potassium sulfate per mu, the formation of flower bulbs applies 13~15 kg of urea, 6~8 kg of potassium sulfate in the initial stage, and the formation of medium-term 10~11 kg of urea in the middle of the bulb. 5-6 kg.

Boron-free topdressing can be used to spray 0.1% to 0.2% borax solution in the early and middle stages of flowerball formation; magnesium deficiency can be sprayed 0.2% to 0.4% magnesium sulfate solution 1~ 2 times.

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