How should fertilizer be applied when growing organic onions?
How should fertilizer be applied when growing organic onions? Please give guidance. For organic onions, you can refer to the following fertilization methods: Base fertilizer: organic base fertilizer combined with 15 kg of urea, 10 kg of diammonium, and 7 kg of potassium fertilizer, applied all at once. Top dressing: apply in three rounds. First round: two weeks after transplanting, apply 6 kg of nitrogen fertilizer as top dressing, ...
How should fertilizer be applied when growing organic onions? Please give guidance.
For organic onions, you can refer to the following fertilization methods:
Base fertilizer: organic base fertilizer combined with 15 kg of urea, 10 kg of diammonium, and 7 kg of potassium fertilizer, applied all at once.
Top dressing: apply in three rounds.
First round: two weeks after transplanting, apply 6 kg of nitrogen fertilizer, 5 kg of phosphorus fertilizer, and 4 kg of potassium fertilizer as top dressing. Spray 25 ml of Jigao organic fertilizer diluted in 15 kg of water, once a week for 4 consecutive times.
Second round: four weeks after transplanting, apply 6 kg of nitrogen fertilizer and 4 kg of potassium fertilizer as top dressing. Apply 20 kg of Jigao organic fertilizer diluted 400 times in a furrow.
Third round: six weeks after transplanting, apply 3 kg of nitrogen fertilizer as top dressing, and 10 kg of Jigao organic fertilizer diluted 400 times in a furrow.
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