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What is Desi cotton?Gossypium hirsutum Gossypium barbadense Gossypium arboreum Gossypium herbaceum |
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What is the difference between manure and fertilizer?Manures are organic substances added to the soil to increase the production of crops. They are biological in origin.They need to be supplies in large amount as they contain less nutrients. They enrich... |
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What disease is this? |
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