The most efficient use of potassium is achieved by—
(A) Broadcasting at the sowing time
(B) Top dressing after one month of sowing
(C) Basal placement at the sowing time
(D) Foliar spray
(A) Broadcasting at the sowing time
(B) Top dressing after one month of sowing
(C) Basal placement at the sowing time
(D) Foliar spray