Fertility of soil in rice fields can be improved by
Blue green algae
Sodium chloride
Gypsum
Rhizobium
Additional Questions
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Function of zinc is |
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Nitrifying bacteria |
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Gray spots of oat are caused by deficiency of |
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Which of the following is a rootless aquatic plant in which a portion of the leaf forms a tiny sac for trapping insects? |
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Mineral salts which are absorbed by the roots from soil are in the form of |
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Hydroponics are |
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Hydroponics are |
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Which one of the following mineral elements plays an in biological nitrogen fixation? |
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A trace element is that which is |
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Active transport from outside to inside of molecules across a membrane requires |
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