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प्रश्न
What are crop's pests?
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उत्तर
Crop's pests are the organisms that destroy the growing crop plants by causing great economic loss. There are various pests of crop plants such as weeds, insects, mites, rodents, fungi, bacteria, and viruses.
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संबंधित प्रश्न
Why are manures and fertilizers used in fields?
How plants get nutrients ?
Choose plant’s micronutrients and macronutrients from the following Iron, Chlorine, Sulphur, Copper, Nitrogen, Calcium, Manganese, Potassium, Zinc, Magnesium, Molybdenum, Phosphorus.
Give a short account of biofertilizers.
Why is irrigation essential?
Why water should be used judiciously ?
Why are leguminous crops desirable in crop rotation?
Describe the biological method of weed control.
Explain what will happen if in a cultivated field only manures are supplied and in another field only fertilizers are supplied, keeping all other conditions similar.
Which one is not a source of carbohydrates?
