Table 5: Forage dry matter production (mean ± SE) of blue grama (Bouteloua gracilis) and green sprangletop (Leptochloa dubia) under different dates at a seeded abandoned field in Chihuahua, Mexico.

DateBlue grama (kg ha−1)Green sprangletop (kg ha−1)

Growing season 2006 2,297 ±  
Growing season 2007 1,117 ±  
Growing season 2008 1,211 ±  

Date mean values followed by different lowercase letters within each grass species are significantly different ( ; ). Grass species mean values followed by different uppercase letters within each date are significantly different ( ; ).