1. On the simulation of root water extraction: examination of a minimum energy hypothesis;Adiku;Soil Sci.,2000
2. Water-use efficiency and carbon isotope discrimination of Acacia ampliceps and Eucalyptus camaldulensis at different soil moisture regimes under semi-arid conditions;Akhter;Agrofor. Syst.,2005
3. Tree root architecture;Akinnifesi,2004
4. A synthesis of ICRAF’s research on alley cropping;Akyeampong,1995
5. Nutrient use efficiency in plants;Baligar;Commun. Soil Sci. Plant. Anal.,2001