Snap Bean (Phaseolus vulgaris) Response to Deficit Irrigation and Nitrogen Fertilizer and Relationships between Yield, Yield Component, and Protein Content

Table 8

Effects of irrigation and nitrogen levels on number of pods per plant, total pod yield, and protein concentration.

Irrigation levels	Nitrogen levels (kg·N·ha^−1)	Pod number (plant^−1)	Total pod yield (t·ha^−1)	Protein concentration (%)
50% ETc	0	14.167^h	6.922^g	12.242^f
	46	17.500^gh	8.335^fg	12.557^f
	92	24.500^de	11.548^de	13.997^cde
	138	20.333^efg	9.655^ef	14.485^c
75% ETc	0	24.000^ef	11.292^de	14.395^cd
	46	27.833^de	13.070^d	14.658^c
	92	36.000^c	16.845^c	17.718^a
	138	33.500^c	15.730^c	17.115^ab
100% ETc	0	28.500^d	13.350^d	13.587^de
	46	34.833^c	16.322^c	13.482^e
	92	47.667^a	22.690^a	16.510^b
	138	41.667^b	19.707^b	16.418^b
LSD (0.05)		2.2079	1.3575	0.6304
CV (%)		4.289	2.267	0.873

Means of the same letter within the column are not significantly different at the probability level indicated () using the least significant difference.