Tomato fertilizer reference
1 to 3 years solar greenhouse
(1) Target production: 10,000 to 11,000 kg/mu.
(2) Total fertilization: organic fertilizer (chicken manure or high quality circle fertilizer) 12-15 square meters/mu. Fertilizer: urea 50 ~ 60 kg + diammonium phosphate 120 ~ 140 kg + potassium chloride 60 ~ 80 kg / mu or NPK compound fertilizer (15 ~ 15 ~ 15) 250 ~ 300 kg + calcium superphosphate 200 kg + urea 40 to 50 kg / mu.
(3) Fertilization method: base application (sprinkling before planting) all organic fertilizer + diammonium phosphate 60 ~ 70 kg + potassium chloride 20 ~ 30 kg / mu. Or organic fertilizer + NPK compound fertilizer 60 ~ 70 kg + calcium superphosphate 200 kg + potassium chloride 5 ~ 10 kg / mu.
Follow-up from November to February every 3 to 4 weeks, each application of urea 3 to 5 kg + diammonium phosphate 3 to 5 kg + potassium chloride 2 to 3 kg / mu. Or NPK fertilizer (15 ~ 15 ~ 15) 10 ~ 15 kg + urea 2 ~ 3 kg / mu. From March to May, every 5 to 5 weeks, each application of urea 5-10 kg + diammonium phosphate 5-10 kg + potassium chloride 3 ~ 5 kg / mu. Or NPK fertilizer (15 ~ 15 ~ 15) 20 ~ 30 kg + urea 5 ~ 10 kg / mu.
5-6 years solar greenhouse
(1) Target production: 10,000 to 12,000 kg/mu.
(2) Total fertilization: organic fertilizer (chicken manure or high quality ring fertilizer) 12 to 16 square meters/mu. Fertilizer: urea 50 ~ 60 kg + diammonium phosphate 130 ~ 150 kg + potassium chloride 70 ~ 80 kg / mu. Or NPK compound fertilizer (15 ~ 15 ~ 15) 250 ~ 300 kg + calcium superphosphate 200 kg + urea 40 ~ 50 kg / mu.
(3) Fertilization method: base application (sprinkling before planting) all organic fertilizer + diammonium phosphate 60 ~ 70 kg + potassium chloride 20 ~ 30 kg / mu. Or organic fertilizer + NPK compound fertilizer 60 ~ 70 kg + calcium superphosphate 200 kg + potassium chloride 5 ~ 10 kg / mu.
Follow-up from November to February every 3 to 4 weeks, each application of urea 3 ~ 5 kg + diammonium phosphate 3 ~ 5 kg + potassium chloride 2 ~ 3 kg / mu. Or NPK fertilizer (15 ~ 15 ~ 15) 10 ~ 15 kg + urea 2 ~ 3 kg / mu. From March to May, every 5 to 5 weeks, each application of urea 5-10 kg + diammonium phosphate 5-10 kg + potassium chloride 3 ~ 5 kg / mu. Or NPK fertilizer (15 ~ 15 ~ 15) 20 ~ 30 kg + urea 5 ~ 10 kg / mu.
7 to 10 years solar greenhouse
(1) Target production: 10,000 to 11,000 kg/mu.
(2) Total fertilization: organic fertilizer (chicken manure or high quality ring fertilizer) 10 to 13 square meters/mu. Fertilizer: urea 45 ~ 55 kg + diammonium phosphate 110 ~ 130 kg + potassium chloride 65 ~ 75 kg / mu. Or NPK fertilizer (15 ~ 15 ~ 15) 240 ~ 280 kg + 200 kg of superphosphate + urea 35 ~ 45 kg / mu.
(3) Fertilization method: base application (sprinkling before planting) all organic fertilizer + diammonium phosphate 55 ~ 60 kg + potassium chloride 20 ~ 25 kg / mu. Or organic fertilizer + NPK compound fertilizer 50 ~ 60 kg + calcium superphosphate 200 kg + potassium chloride 5 ~ 8 kg / mu.
Follow-up from November to February every 3 to 4 weeks, each application of urea 3 ~ 5 kg + diammonium phosphate 3 ~ 5 kg + potassium chloride 2 ~ 3 kg / mu. Or NPK fertilizer (15 ~ 15 ~ 15) 10 ~ 15 kg + urea 2 ~ 3 kg / mu. From March to May, every 5 to 5 weeks, each application of urea 5-10 kg + diammonium phosphate 5-10 kg + potassium chloride 3 ~ 5 kg / mu. Or NPK fertilizer (15 ~ 15 ~ 15) 20 ~ 25 kg + urea 5 ~ 8 kg / mu.
Note that all organic fertilizers must be thoroughly fermented before they can be used.
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