Browse on keywords: legume Alberta
Search results on 12/06/13
2415. Hanna, M.R., G.C. Kozub, and S. Smoliak. 1977. Forage production of sanfoin and alfalfa on dryland in mixed- and alternate-row seedings with three grasses.. Canadian J. Plant Sci. 57:61-70.
Alfalfa-grass yielded better than sanfoin grass. Sanfoin is a suitable alternative to alfalfa in parts of the prairie region, but particular attention must be paid to the selection of companion species if it is to be grown in association with a grass. Russian wild rye was the most productive companion in this study. Mixed row seedings were higher for all combinations except sanfoin-pubescent wheatgrass in alternate rows. Sanfoin does not causse bloat, but stands are generally shorter-lived than alfalfa. Pure stands of sanfoin may yield the most, but grasses will extend the life of the stand.
10576. Janzen, H.H. and G.D. Radder. 1989. Nitrogen mineralization in a green manure amended soil as influenced by cropping history and subsequent crop.. Plant Soil 120:125-131.
In a greenhouse study, surface soil from long-term experimental spring wheat rotations was amended with 15N labelled legume green manure and subsequently cropped (canola and spring wheat) or incubated. N mineralization from both the indigenous soil N and from green manure was suppressed in cropped soil. Net N mineralization in the uncropped and cropped treatments averaged 73 and 43 mg/kg, respectively. This difference was attributed in part to enhanced biological immobilization in the rhizosphere. These data suggest that short-term N mineralization is favored by fallowing soil after green manure application whereas N retention in organic matter is favored by immediate cropping.