Farmers should use weedicides carefully to avoid health risks. During application, they should cover their nose and mouth with a cloth to protect against potential adverse effects on health. NCERT Class 8 Science Chapter 1 Crop Production and Management
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Weedicides are chemicals, like 2,4-D, used to control weeds. They are diluted with water and sprayed in fields during the vegetative growth of weeds, ensuring minimal impact on crops. NCERT Class 8 Science Chapter 1 Crop Production and Management
Farmers manually remove weeds by uprooting or cutting them close to the ground using tools like khurpi. The best time for weed removal is before they produce flowers and seeds. NCERT Class 8 Science Chapter 1 Crop Production and Management
If ‘R’ and ‘y’ were linked in the progeny plants due to inheriting a single whole gene set from each parent, independent assortment and recombination of these characteristics would be compromised. This linkage would prevent the independent expression of ...
Weeding is essential as weeds compete with crops for water, nutrients, space, and light, adversely affecting crop growth and sometimes posing risks to humans and animals. NCERT Class 8 Science Chapter 1 Crop Production and Management