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What is the main purpose of balanced nutrient management in crops?
To eliminate water requirements
To optimize soil fertility and crop yield
To promote weed growth
To maximize pesticide use
To optimize soil fertility and crop yield
Balanced nutrient management involves the application of essential plant nutrients in the right proportion, time, and quantity to ensure sustainable soil productivity. It aims to prevent nutrient deficiencies, avoid toxicity from over-fertilization, and maximize economic crop yields while maintaining long-term soil health.
Balanced nutrient management involves the application of essential plant nutrients in the right proportion, time, and quantity to ensure sustainable soil productivity. It aims to prevent nutrient deficiencies, avoid toxicity from over-fertilization, and maximize economic crop yields while maintaining long-term soil health.
The Soil Health Card Scheme, launched by the Government of India in 2015, is the primary policy framework supporting balanced nutrient management by providing farmers with soil test-based fertilizer recommendations.
Balanced nutrition prevents the exhaustion of soil micronutrients like Zinc, Iron, and Manganese.
Integrated Nutrient Management (INM) combines chemical fertilizers with organic sources like compost and green manure.
The 4R nutrient stewardship principle includes Right source, Right rate, Right time, and Right place.
Over-application of nitrogenous fertilizers like Urea leads to soil acidification and leaching, contaminating groundwater.
Option A is incorrect because water requirements are managed through irrigation systems, not nutrient levels.
Option C is incorrect as balanced nutrients are intended to favor crop growth over unwanted competition from weeds.
Option D is incorrect because nutrient management is focused on plant health, which ideally reduces the need for excessive pesticide use.
B is correct тАФ Balanced nutrient management ensures optimal soil fertility and enhances crop yield by providing precise nutrient requirements.
Connect this topic with the 'Green Revolution' history; note how the initial emphasis on high-yield varieties led to excessive chemical fertilizer use, necessitating current shifts toward Soil Health Cards and organic farming.
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