Composite slow release fertilizer capable of improving strawberry quality
A slow-release fertilizer and quality technology, which is applied in urea compound fertilizers, fertilizers made from biological waste, nitrogen fertilizers, etc., can solve the problems of serious strawberry diseases and insect pests, affecting strawberry quality and yield, etc., and achieves the effect of fewer control times and water and fertilizer retention. Good, high quality grapes
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Embodiment 1
[0016] A compound slow-release fertilizer for improving the quality of strawberries. Its raw materials include: 110g of macronutrient fertilizer, 35g of sunflower seed meal, 4g of expanded soybean meal, 8g of alfalfa powder, 2g of peat soil, 6g of coconut shell powder, 4g of soil conditioner, and fulvic acid. Diamine iron 0.6g, zinc humate 0.4g.
[0017] The soil conditioner includes: 2g of diatomite, 1g of dolomite powder, 2g of vermiculite powder, and 1g of kaolin. Macronutrient fertilizers include: 60g of compound urea, 25g of heavy superphosphate, 18g of seabird droppings, and 10g of kiln dust potassium fertilizer.
[0018] Composite urea is prepared by the following process: mix 12g of bentonite and 60g of water, heat up to 85°C and stir for 5 minutes, add 0.2g of tetradecyltributylammonium chloride, heat up to 90°C and stir for 4 hours, add 20g of urea, 1g of paraffin and stir After 20 minutes, add 6 g of chitosan and continue to stir for 10 minutes, filter, wash the fi...
Embodiment 2
[0020] A compound slow-release fertilizer for improving the quality of strawberries. Its raw materials include: 120g of macronutrient fertilizer, 25g of sunflower seed meal, 12g of expanded soybean meal, 2g of alfalfa powder, 8g of peat soil, 2g of coconut shell powder, 8g of soil conditioner, and fulvic acid. Diamine iron 0.1g, zinc humate 0.9g.
[0021] The soil conditioner includes: 1 g of diatomite, 2 g of dolomite powder, 1 g of vermiculite powder, and 2 g of kaolin. Macronutrient fertilizers include: 50g of compound urea, 35g of heavy superphosphate, 10g of seabird droppings, and 16g of kiln dust potassium fertilizer.
[0022] Composite urea is prepared by the following process: mix 5g of bentonite and 100g of water, heat up to 65°C and stir for 10min, add 0.1g of tetradecyltributylammonium chloride, heat up to 98°C and stir for 2h, add 40g of urea, 0.5g of paraffin Stir for 40 minutes, add 2g of chitosan and continue to stir for 20 minutes, filter, wash the filter cake...
Embodiment 3
[0024] A compound slow-release fertilizer for improving the quality of strawberries. Its raw materials include: 112g of macronutrient fertilizer, 32g of sunflower seed meal, 6g of puffed soybean meal, 6g of alfalfa powder, 4g of peat soil, 5g of coconut shell powder, 5g of soil conditioner, and fulvic acid. Diamine iron 0.4g, zinc humate 0.5g.
[0025] The soil conditioner includes: 1.8g of diatomite, 1.3g of dolomite powder, 1.6g of vermiculite powder, and 1.2g of kaolin. Macronutrient fertilizers include: 58g of compound urea, 28g of heavy superphosphate, 16g of seabird manure, and 12g of kiln dust potassium fertilizer.
[0026] Composite urea is prepared by the following process: mix 10g of bentonite and 70g of water, heat up to 80°C and stir for 6 minutes, add 0.18g of tetradecyltributylammonium chloride, heat up to 92°C and stir for 3.5h, add 25g of urea, 0.8g Stir the paraffin for 25 minutes, add 5 g of chitosan and continue to stir for 12 minutes, filter, wash the filt...
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