Fertilization of greenhouse cucumbers is "exquisite"

Cucumber fertilizer reference

1 to 3 years solar greenhouse

(1) Target production: 12,000-13,000 kg/mu.

(2) Total fertilization: organic fertilizer (chicken manure or high quality circle fertilizer) 12-15 square meters/mu. Fertilizer: 60-80 kg of urea + 150-160 kg of diammonium phosphate + 100-120 kg/mu of potassium chloride. Or NPK compound fertilizer (15 ~ 15 ~ 15) 300 ~ 350 kg + 200 kg of superphosphate + urea 40 ~ 50 kg / mu.

(3) Fertilization method: base application (pre-planting) all organic fertilizer + diammonium phosphate 70 ~ 80 kg + potassium chloride 30 ~ 40 kg / mu. Or organic fertilizer + NPK compound fertilizer 70 ~ 90 kg + calcium superphosphate 200 kg + potassium chloride 10 ~ 20 kg / mu.

Follow-up from November to February every 4 to 5 weeks, each application of urea 6-8 kg + diammonium phosphate 5 ~ 10 kg + potassium chloride 3 ~ 5 kg / mu. Or NPK compound fertilizer (15 ~ 15 ~ 15) 25 ~ 30 kg + urea 3 ~ 5 kg / mu. Every 3 to 3 weeks from March to May, each application of urea 15-20 kg + diammonium phosphate 10-20 kg + potassium chloride 5 ~ 10 kg / mu or NPK compound fertilizer (15 ~ 15 ~) 15) 30 ~ 40 kg + urea 3 ~ 5 kg / mu.

5-6 years solar greenhouse

(1) Target production: 13,000-~15,000 kg/mu.

(2) Total fertilization: organic fertilizer (chicken manure or high quality ring fertilizer) 12 to 16 square meters/mu. Fertilizer: 60-80 kg of urea + 160-170 kg of diammonium phosphate + 110-120 kg/mu of potassium chloride. Or NPK compound fertilizer (15 ~ 15 ~ 15) 300 ~ 360 kg + superphosphate 220 kg + urea 45 ~ 55 kg / mu.

(3) Fertilization method: base application (pre-planting) all organic fertilizer + diammonium phosphate 75 ~ 85 kg + potassium chloride 40 ~ 50 kg / mu. Or organic fertilizer + NPK compound fertilizer 90 ~ 100 kg + superphosphate 220 kg + potassium chloride 10 ~ 20 kg / mu.

Follow-up from November to February every 4 to 5 weeks, each application of urea 6-8 kg + diammonium phosphate 5 ~ 10 kg + potassium chloride 3 ~ 5 kg / mu. Or NPK compound fertilizer (15 ~ 15 ~ 15) 25 ~ 30 kg + urea 3 ~ 5 kg / mu. Every 3 to 3 weeks from March to May, each application of urea 15-20 kg + diammonium phosphate 10-20 kg + potassium chloride 5 ~ 10 kg / mu. Or NPK fertilizer (15 ~ 15 ~ 15) 30 ~ 40 kg + urea 3 ~ 5 kg / mu.

7 to 10 years solar greenhouse

(1) Target production: 11,000 to 13,000 kg/mu.

(2) Total fertilization: organic fertilizer (chicken manure or high quality ring fertilizer) 11 to 14 square meters/mu. Fertilizer: 60-70 kg of urea + 140-160 kg of diammonium phosphate + 100-120 kg/mu of potassium chloride. Or NPK compound fertilizer (15 ~ 15 ~ 15) 300 ~ 380 kg + 200 kg of superphosphate + urea 35 ~ 50 kg / mu.

(3) Fertilization method: base application (sowing before planting) all organic fertilizer + diammonium phosphate 70 ~ 80 kg + potassium chloride 35 ~ 45 kg / mu. Or organic fertilizer + NPK compound fertilizer 90 ~ 100 kg + calcium superphosphate 200 kg + potassium chloride 10 ~ 15 kg / mu.

Follow-up from November to February every 4 to 5 weeks, apply 5-5 kg ​​of urea per fertilizer + 5-10 kg of diammonium phosphate + 3-5 kg/mu of potassium chloride. Or NPK fertilizer (15 ~ 15 ~ 15) 20 ~ 25 kg + urea 5 ~ 7 kg / mu. Every 3 to 3 weeks from March to May, each application of urea 10-20 kg + diammonium phosphate 15-20 kg + potassium chloride 8 ~ 10 kg / mu. Or NPK compound fertilizer (15 ~ 15 ~ 15) 35 ~ 45 kg + urea 5 ~ 8 kg / mu.