(A) N, P, K ()
(B) N, C, P (X)
(C) N, K, (X)
(D) N, S, P (X)
Answers: The three elements needed for healthy growth of plants are N, P, K.
(A) N, P, K ()
(B) N, C, P (X)
(C) N, K, (X)
(D) N, S, P (X)
Answers: The three elements needed for healthy growth of plants are N, P, K.
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