Advertisements
Advertisements
प्रश्न
Why are manures and fertilizers used in fields?
उत्तर
Manures and fertilizers are used in fields to enrich the soil with the required nutrients. Manure helps enrich the soil with organic matter and nutrients, improving its fertility and structure. Fertilizers, on the other hand, ensure healthy plant growth and development. They are a good source of nitrogen, phosphorus and potassium. To get an optimum yield, a balanced combination of manures and fertilizers is instructed in the soil.
APPEARS IN
संबंधित प्रश्न
What is green manuring ? Give suitable examples for green manures.
What are fertilizers ? Classify fertilizers.
Explain why a legume crop does not require nitrogenous fertilizers ?
Why water should be used judiciously ?
Write about three main criteria which should be considered while selecting the crops for rotation?
Mention three different ways in which insect pests can attack the crop plant.
Give two examples each of
(a) Narrow leaved rabi season weed.
(b) Broad leaved kharif season weed.
Define irrigation. Why is irrigation of crops essential? Mention the harmful effects of excessive irrigation.
Explain the various preventive measures against insect pests.
Why is organic matter important for crop production?
