The soil are contains__________________?

Agronomy 04/07/2021

A. Less oxygen as compared 10 atmosphere
B. More carbon dioxide as compared to atmosphere
C. Both a & b
D. None of the above

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    Botanical name of American cotton is_________________?
    A. G. hirsutum B. G. arborium C. G. barb dense D. Non of these...
    Effects of allelopathic compound in the life cycle of plants cause inhibition of________________?
    A. Seed deterioration B. seed germination C. Seed swelling D. non of these...
    Penetrometer are used for measuring__________________?
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    Which is the most important cereal crop of temperature region________________?
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