Neem and turmeric powders are often used in grain storage.
Q. Neem and turmeric powders are often used in grain storage.
(i) What are they called?
(ii) What is the purpose of using neem and turmeric ?
(iii) What are herbicide ?
Ans. (i) Bio-pesticide.
(ii) Neem and turmeric keep away insects, rodents, fungi, mites, bacteria etc. from the stored foods.
(iii) Herbicides are chemicals used for removal of weeds from cultivated fields during the early stages of crop growth.
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