Response of Bread Wheat (Triticum aestivum L.) to Potassium (K) and Blended NPS Fertilizer Rates in the Nitisols of Southern Ethiopia

Table 6

Mean squares of ANOVA for the number of tillers per plant, number of productive tillers per plant, grain per spike, and 1000-grain weight of wheat.

Source variance	DF	TNPP	PT	NGPS	TGW
REP	2	1.163	0.1132	26.6	5.217
NPS	3	7.434	1.1293	314.55	243.017
K	4	7.827	11.808	629.358	101.11
NPS ∗ K	12	0.878	0.0825^NS	11.092	38.472
Error	38	0.34545	0.0414	5.354	11.006

NS and ∗: nonsignificant and significant at 5%. NTPP: number of tillers per plant; PNTPP: number of productive tillers per plant; NGPS: number of grains per spike; TGW: 1000-grain weight.