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MP Board · Class 9 · Science · Improvement in Food ResourcesSunn hemp or guar grown and mulched into the soil before sowing crop seeds acts as .

Step-by-Step Solution

green manure

💡 Study Guide: This question tests core syllabus concepts from Improvement in Food Resources. For formulas, key summaries, and mock exam reference guides, read the full Improvement in Food Resources Revision Notes.

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