Spring-Interseeded Winter Rye Seeding Rates Influence Weed Control and Organic Soybean Yield

Table 2

Effect of winter rye seeding rate on soybean, winter rye, jimsonweed, and total weed fresh weight biomass at physiological maturity in 2002 and 2003. Data were combined over years and row spacings unless denoted otherwise.

	Soybean		Winter rye			Total weed
Rye seeding rate	2002	2003	2002	2003	Jimsonweed	Biomass
(kg ha^−1)	kg ha^−1
Weedy check	1,430	800	0	0	870	8,100
67	1,660	3,100	100	0	1,250	2,400
134	1,670	2,600	120	0	640	2,500
200	1,040	2,800	400	0	130	4,100
Weed-free	2,450	3,800	0	0	0	0
LSD (𝑃=.05)	610	830	320	NS^a	850	3,100

^aAbbreviations: NS: nonsignificant.