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M: +2.00/-0.50

Blue Green Algae is used as biofertilizer to induce which of the following crop production ?

U.P.U.D.A./L.D.A (Spl) (Pre) 2010

[Earth - Tropics, Volcanoes, Tides, cyclones, Corals ETC. Part 8]
A
B
C
D

EXPLANATION

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