Organic manure can be an effective way to improve soil fertility and increase the growth and productivity of Melia Dubia. Here are some of the organic manures that can be used for Melia Dubia:
- Farmyard manure (FYM): FYM is a common and effective organic manure for Melia Dubia. It is rich in nutrients and improves soil structure and water-holding capacity. FYM should be applied at a rate of 10-20 tonnes per hectare, depending on the soil fertility.
- Compost: Compost is another effective organic manure for Melia Dubia. It improves soil structure, increases soil fertility, and suppresses soil-borne diseases. Compost should be applied at a rate of 5-10 tonnes per hectare.
- Vermicompost: Vermicompost is a nutrient-rich organic manure produced by earthworms. It improves soil structure, increases soil fertility, and enhances plant growth. Vermicompost should be applied at a rate of 2-5 tonnes per hectare.
- Green manure: Green manure is made by growing leguminous crops such as cowpea, lablab, and soybean, and incorporating them into the soil before they mature. Green manure improves soil fertility, increases organic matter content, and suppresses soil-borne diseases.
- Poultry manure: Poultry manure is a good source of nitrogen, phosphorus, and potassium, but it should be used with caution as it can be high in salts and may cause soil acidity. It should be applied at a rate of 1-2 tonnes per hectare.
Organic manures should be applied at the beginning of the rainy season, so that the nutrients are available when the Melia Dubia trees start their growth phase. The amount of organic manure required depends on the soil fertility and the age of the plantation.
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