Yield, Yield Components, and Nutritive Value of Perennial Forage Grass Grown under Supplementary Irrigation

Table 6

Crude protein yield (t/ha) of perennial forage grass species evaluated under irrigation supplementation.

Species	Year				Productive phase	Combined analysis
	2017	2018	2019	2020
U. decumbens ILRI_10871	0.08^b	0.53^b	0.85^b	0.70^b	0.69^c	0.54^bc
U. decumbens ILRI_13205	0.03^b	0.74^b	1.42^b	1.01^b	1.06^bc	0.78^bc
Desho grass (var. Kindu kosha)	0.21^b	1.03^b	1.23^b	0.83^b	1.03^bc	0.82^bc
P. purpureum cv. ILRI_16791	0.34^ab	2.80^a	2.95^a	1.75^a	2.50^a	1.96^a
P. coloratum cv. Coloratum	0.57^ab	1.03^b	0.99^b	0.93^b	0.98^bc	0.88^bc
P. aquatica cv. Sirrosa	0.89^a	1.47^b	1.40^b	0.89^b	1.25^b	1.16^b
C. gayana cv. Massaba	0.48^ab	0.89^b	0.90^b	0.78^b	0.86^bc	0.76^bc
S. sphacelata ILRI_143	0.06^b	0.70^b	0.73^b	0.64^b	0.69^c	0.53^c
S. sphacelata ILRI_6543	0.06^b	0.64^b	0.77^b	0.57^b	0.66^c	0.51^c
Mean	0.30	1.09	1.25	0.90	1.08	0.88
CV	10.14	14.35	17.80	11.48	15.75	69.39
value	0.034	0.0006	0.0072	0.0431	<0.0001	<0.0001

CV : coefficient variation. Means with the different letter are significantly different.