Ash sprinkled on the lucerne crop is found to be effective in controlling aphids. Ash is dusted on the lucerne (Medicago sativa) crop for controlling aphids. The ash may be collected from either the house `chulah (broom) or dung cakes. This practice has been followed for a very long time.
Crop: Alfalfa
Crop Family: Legumes
Crop Scientific Name: (Medicago sativa)
Crop Vernacular Name: Lusarne soppu, Vilaayiti hullu, Lusan ghas, Kutirai macal.
Ingredients: Ash
"Ash (2-3 kg) is mixed with castor oil (0.7-0.8 kg). This mixture is spread on the seedbed of cotton (0.01 ha) tocontrol ‘damping-off’ disease." -
https://www.researchgate.net/publication/278676064_Traditional_plant_protection_management_practices_of_Rajasthan
"Farmers dust the ash at the rate of 50-60 kg ha-1 on mustardcrop to prevent various diseases like white rust, downymildew and powdery mildew." -
https://www.researchgate.net/publication/278676064_Traditional_plant_protection_management_practices_of_Rajasthan