Effect of Mineral Nitrogen, Phosphorus, and Potassium Fertilizers on the Productivity of Faba Bean (Vicia faba L.) in Acidic Soils of Wolaita Zone, Southern Ethiopia

Table 7

Mean square values of the combined analysis of variance for correlation coefficients between grain yield and growth, yield components, and yield parameters of faba bean in response to mineral nitrogen, phosphorus, and potassium fertilizers in Sodo Zuria District, southern Ethiopia, in 2019 and 2020 cropping seasons.

Variable	L	PH	SG	NB	AGBM	NPP	NSPP	GY	SY	HSW	HI
L	1.00	−0.24	−0.39	−0.32	−0.37	−0.45	−0.26	−0.38	−0.35	−0.09 ^ns	0.06 ^ns
PH		1.00	0.26	0.36	0.35	0.27	0.39	0.34	0.35	0.40	−0.17
SG			1.00	0.64	0.44	0.69	0.49	0.42	0.45	0.41	−0.11 ^ns
NB				1.00	0.50	0.60	0.65	0.44	0.52	0.52	−0.28
AGBM					1.00	0.72	0.52	0.97	0.99	0.71	−0.35
NPP						1.00	0.52	68	0.72	0.55	−0.33
NSPP							1.00	0.50	0.52	0.47	−0.16
GY								1.00	−0.93	0.69	0.16
SY									1.00	0.69	−0.47
HSW										1.00	−0.25
HI											1.00

Note: ns = not significant; ^,, and significant at 0.05, 0.01, and 0.001, respectively. L, lodging; PH, plant height; SG, stem girth; NB, number of branches; RL, root length; NR, number of roots; Nod, number of nodules per root; AGBM, aboveground biomass; NPP, number of pods per plant; NSPP, number of seeds per pod; GY, grain yield; SY, stover yield; HSW, hundred seed weight; and HI, harvest Index.