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

Table 9

Mean squares of ANOVA for grain yield, straw yield, and above-ground dry biomass of wheat.

Source variance	DF	AGDBM	GY	SY	HI	AE
REP	2	2.0162	0.3077	2.2167	2.2167	9.589
NPS	3	64.457	11.934	15.3167^NS	15.3167^NS	92.027
K	4	14.578	3.663	39.9111	39.9111	162.74
NPS ^∗ K	12	0.8799	0.1929	3.9944^NS	3.9944^NS	23.37
Error	38	0.1442	0.0388	9.4623	9.4623	3.622

NS and ∗: nonsignificant and significant at 5%. SY: straw yield; GY: grain yield; AGDBM: above-ground dry biomass; HI: harvest index; AE: agronomic efficiency.