Proper soil and seed preparation methods for the protection of crops are ___ measures.

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Solution

Preventive measures and biological control methods should be preferred for protecting crops because excessive use of chemicals leads to environmental problems.
(a) Preventive measures include proper soil and seed preparation, timely sowing of seeds, intercropping and mixed cropping, and usage of resistant varieties of crops.
(b) Biological control method protects crops from the beginning, that is, before weeds, pests and disease tend to affect the plants.

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Why should preventive measures and biological control methods be preferred for protection of crops? [3 MARKS]

Question 1
Why should preventive measures and biological control methods be preferred for protecting crops?

Select the correct word from the following list and fill in the blanks.

float, water, crop, nutrients, preparation

(a) The same kind of plants grown and cultivated on a large scale at a place is called _________.

(b) The first step before growing crops is ________ of the soil.

(d) For growing a crop, sufficient sunlight and _________ and _________ from the soil are essential.