Can wood ash be used on red heart honey pomelo? Application methods explained
Summer is the period when red-fleshed honey pomelo roots grow, summer shoots emerge, and young fruit and fruit enlargement occur. This period is important for fertilization throughout the year, and it is also a period when pests and diseases occur heavily. All summer management technical measures must be carried out in a timely manner to promote strong shoots and strong fruit, and to secure a bumper harvest. The following points are proposed for summer management for reference. 1 and...
Wood ash is not only a very good alkaline farmyard fertilizer, but also an effective remedy for pests and diseases. Applying 30-50 kg of wood ash per mu of land (667 sq m) can kill underground pathogens and pests in red heart honey pomelo orchards and prevent the roots and stems of red heart honey pomelo from damage by pests and diseases.1. Control of root rot. The method is to first open the soil around the fruit tree roots, remove the soil around the rotted roots, scrape off the diseased root bark, and air-dry for 24 hours, then cover each plant with 2.5-5 kg of fresh wood ash, and then cover with soil. The cure rate is as high as 98%.
2. Control of damping-off. For diseased trees, broadcast wood ash along the rows at 30-50 kg per mu, which can effectively prevent the occurrence of this pest and disease.
In addition, mix 10 kg of wood ash with 50 kg of water, soak for 48 hours, and spray the filtrate, which can effectively control aphids on red heart trees; mix 8 kg of wood ash with 100 kg of water, soak for 48 hours, filter, and make a wood ash extract. Spraying this extract mixed with fungicide has a remarkable effect on red heart honey pomelo and can control many kinds of pests and diseases.
However, special attention should be paid to the fact that wood ash is alkaline and must not be applied in saline-alkali soil.