General Studies I
Which feature of some species of blue-green algae helps promote them as bio-fertilizers?
|A||They convert atmospheric methane into ammonia which the crop plants can absorb readily|
|B||The induce the crop plants to produce the enzymes which help convert atmospheric nitrogen to nitrates|
|C||They have the mechanism to convert atmospheric nitrogen into a form that the crop plants can abosorb readily|
|D||The induce the roots of the crop plants to absorb the soil nitrates in larger quantities|