Question

For 12 science hc board difference between chemical fertilizers and biofertilizers

Answer 1

Ans ➡️ In general, chemical fertilizers provide three major plant nutrients; nitrogen, phosphorus and potassium or NPK. However, the ever increasing cost of commercial fertilizer products driven, in part, by the inevitable depletion of global phosphorus, is forcing producers to look for alternative sources like bio-fertilizers and other organically-based solutions.

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Answer 2

Chemical fertilizers are manufactured artificially. They are primarily, chemicals having nitrogen, phosphate and potash as main soil nutrients.

Bio-fertilizers are plants such as bacteria (azotobacter, rhizobium etc.), fungi etc. that fix free nitrogen from the atmosphere, which is then 'used by the crops.