Fertilizer Application Methods for Base Fertilizer and Top Dressing in Yam Cultivation
How do you apply base fertilizer and top dressing when growing yams? Please provide guidance on the methods. For applying base fertilizer and top dressing when growing yams, you can refer to the following methods: 1. Base fertilizer. After selecting a good field, before plowing apply 2000 kg-4000 kg of decomposed farmyard manure and 60 kg-80 kg of compound fertilizer per mu as base fertilizer, then plow the soil 30 cm...
How do you apply base fertilizer and top dressing when growing yams? Please provide guidance on the methods.
For applying base fertilizer and top dressing when growing yams, you can refer to the following methods:
1. Base fertilizer. After selecting a good field, before plowing apply 2000 kg-4000 kg of decomposed farmyard manure and 60 kg-80 kg of compound fertilizer per mu as base fertilizer, then plow the soil 30 cm deep and harrow it fine.
2. Top dressing. At the seedling stage, nitrogen fertilizer is the main type, applying 10 kg-15 kg of high-nitrogen high-potassium compound fertilizer per mu. In early July, apply 20 kg-25 kg of high-nitrogen high-potassium compound fertilizer per mu, and spray once with 0.25% potassium dihydrogen phosphate. Starting in late July, spray 0.25% potassium dihydrogen phosphate 2 times-3 times; in early August, apply 20 kg-30 kg of nitrogen-phosphorus-potassium compound fertilizer per mu. During the tuber filling stage, soil top dressing is generally not used; you can spray 0.25% potassium dihydrogen phosphate once to extend the vine growth period.
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