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. 2024 Oct 18;10(20):e39600. doi: 10.1016/j.heliyon.2024.e39600

Table 3.

Shoot and root biomass of different cover crop systems in each year and the two-year average in Reno, Nevada, USA.

Cover Crop System	Shoot biomass			Root biomass
	Year 1	Year 2	2-yr avg.	Year 1	Year 2	2-yr avg.
Monocultures	-----------------------------------------------------kg DM ha⁻¹-----------------------------------------------
Annual ryegrass	6576^c^a	7022^bc	6799^bc	2988	4202	3595^a
Oat	7753^ab	8187^b	7970^ab	467	3175	1821^bc
Faba bean	2263^e	5052^c	3391^d	467	2428	1447^c
Yellow sweetclover	4768^d	7370^bc	6069^c	3174	3081	3128^ab
Winter pea	982^f	5773^bc	3377^d	1774	3454	2614^abc

Mixtures

Mix 1^b	7153^bc	6634^bc	6893^bc	3455	4482	3968^a
Mix 2^b	8591^a	10838^a	9714^a	840	3081	1961^bc
SE^c	415	954	656	966	768	677
*P-value*	<0.001	0.004	<0.001	0.109	0.296	0.011

^a

Means within columns that are followed by the same lowercase letter superscripts are not different among cover crop systems (P > 0.05).

^b

Mix 1 (composition: annual ryegrass + faba bean + yellow sweetclover) and Mix 2 (composition: oat + faba bean + winter pea).

^c

SE; standard error.