Table 6.

Maize and harvest index (%) as influenced by 144 mM KH₂PO₄ solution at given soil-applied P levels in calcareous soils.

Foliar P	Methods	P Levels (kg ha−1)				Mean
		0	20	40	60
Maize
No Foliar spray	-	36	38	40	40	39 ab
Foliar P	-	36	39	42	42	40 a
-	BC	36	38	40	41	39 a
-	BD	36	39	41	41	39 a
Year I	-	37	40	41	41	40
Year II	-	35	38	41	41	39
Mean		36 d	39 c	41 ab	41a
Wheat
No Foliar spray	-	41	42	42	46	43 b
Foliar P	-	43	45	47	51	47 a
-	BC	42	43	43	47	44 b
-	BD	43	45	47	50	46 a
Year I	-	42	44	44	49	45
Year II	-	43	43	46	48	45
Mean		42 d	44 c	45 b	49 a

BC and BD indicate broadcast application and band application, respectively. Means with different letters in each column are significantly different (p ≤ 0.05).