1. The effect of VA mycorrhizae on plant growth;Abbott,1984
2. Effects of CO2 on photosynthesis, plant growth and other processes;Acock,1990
3. Crop responses to elevated carbon dioxide concentrations;Acock,1985
4. Growth and development of the beet armyworm in cotton grown in an enriched carbon dioxide atmosphere;Akey;Southwestern Entomol.,1989
5. Influence of enhanced CO2 concentration and irrigation on sudan grass digestibility;Akin;Agric. For. Meteorol.,1993