How to test soil fertilization and formula fertilization


1. Cucumber Fertilization Technology The production of 1000 kg of cucumber requires 2.6 kg of pure nitrogen , 1.5 kg of phosphorus pentoxide , 3.5 kg of potassium oxide, 4000 to 5000 kg of cucumber, 10.4 to 13 kg of pure nitrogen , and 6 to 15 kg of phosphorus pentoxide . Potassium oxide 14 ~ 15.7 kg. Early Fruiting first 1 dressing, Mushi nitrogen 3 to 4 kg, 4 to 6 kg potassium. Sheng melon initial dressing the 2nd, mu 3 to 4 kg pure nitrogen, potassium 5 to 6 kg. In the middle of the melon, the third top dressing was carried out , and the pure nitrogen was 3 to 4 kg and the potassium oxide was 5 to 6 kg. 5000 kg before planting acres of organic fertilizer, fertilizer 40 ~ 50 kg.  

  

   2 . The radish fertilization technology produces 1000 kg of radish with 2.0 kg of pure nitrogen , 0.7 kg of phosphorus pentoxide and 2.9 kg of potassium oxide . 5000 kg of radish per mu requires 10 kg of pure nitrogen , 3.5 kg of phosphorus pentoxide , and 14.5 kg of potassium oxide . Before the radish sowing , 2500 kg of organic fertilizer and 25 kg of phosphate fertilizer were applied . Enter the rosette stage, for the first 1 top dressing, Mushi nitrogen 5 kg, 7 kg potassium. Fleshy root growth the 2nd peak dressing, Mushi nitrogen 5 kg, 7 kg potassium.  

  

   3 . Carrot fertilization technology   The production of 1000 kg of carrots requires 2.4 kg of pure nitrogen , 0.8 kg of phosphorus pentoxide , and 5.7 kg of potassium oxide . 3000 to 4000 kg per mu carrot, 7.2 to 9.6 kilograms required purity nitrogen, phosphorus pentoxide from 2.4 to 3.2 kg, 17.1 ~ 22.8 kg potassium. Before the sowing of the carrots, 2,500 kg of organic fertilizer and 25 to 30 kg of phosphate fertilizer were applied . Enter the rosette stage, a first top dressing, mu 3 to 4 kg pure nitrogen, potassium oxide 8 to 10 kg. Fleshy root growth period 2nd top dressing, Mushi nitrogen 4 to 5 kg, 8 to 12 kg potassium.  

  

   4 . Celery fertilization technology produces 1000 kg of celery requires 2.0 kg of pure nitrogen , 0.93 kg of phosphorus pentoxide , and potassium oxide 3 . 9 kg. It produces 4000 to 5000 kilograms of celery per mu , 8 to 10 kilograms of pure nitrogen , 3.7 to 4.6 kilograms of phosphorus pentoxide , and 15.6 to 19.5 kilograms of potassium oxide . Before the celery is planted, the application of organic fertilizer is 4000 to 5000 kg, and the phosphate fertilizer is 25 to 35 kg. Plants enter vigorous growth, a first top dressing, Mushi nitrogen 2.3 kg, 5 to 6 kg potassium. Two weeks after the 2nd top dressing, Mushi nitrogen 3 to 4 kg, potassium 5-7 kg. After entering the third top dressing in half a month , the application of pure nitrogen 3 kg, potassium oxide 5 ~ 6 kg.  

  

   5 . Garlic fertilization technology produces 1,000 kg of garlic, which requires 5.1 kg of pure nitrogen , 1.3 kg of phosphorus pentoxide , and 1.8 kg of potassium oxide . 1000 to 1500 kg per mu garlic, pure nitrogen required 5.1 to 7.6 kg 1.3 to 2.0 kg of phosphorus pentoxide, 1.8 to 2.7 kg potassium. Before the planting of garlic, 2500 to 3000 kg of organic fertilizer and 10 to 15 kg of phosphate fertilizer were applied . Garlic dressing vigorous growth period for the first time, 2 to 3 kg Mushi nitrogen, potassium 1 kg. Into the bulb enlargement of the 2nd dressing, Mushi nitrogen 3 to 4 kg, 1 to 2 kg potassium.  

   6 . Leek Leek fertilization technology to produce 1000 kg of pure nitrogen needed 3. 7 kg, 0.8 kg of phosphorus pentoxide , 3.1 kg of potassium oxide . 5000 kg per mu leek required 18.5 kg of pure nitrogen, phosphorus pentoxide 4 kg, 15.5 kg potassium. Before the planting of leeks, 5,000 kg of organic fertilizer and 30 kg of phosphate fertilizer were applied . After planting leek root Shi Yuri, new roots have occurred, may be combined with water dressing for the first time, pure nitrogen mu 3 kg, 3 kg potassium. From the beginning of September to the beginning of October , it is the strongest period of assimilation function of amaranth. It should be combined with watering, and the fertilizer should be used every 10 to 15 days. The amount of fertilizer applied is the same as the first time. From the spring of the second year, the harvest can be started . The harvest is 3 to 4 times a year. After each harvest, when the sprouts grow to 3 cm high, the fertilizer can be applied once and the amount of fertilizer is the same as before.     (dream coagulation)

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