1. Entrance of water into suberized roots of trees;Addoms;Plant Physiol.,1946
2. Root density and competition for nutrients;Andrews;Oecol. Plant.,1970
3. The cell wall;Aronson,1965
4. The absorption of ions by excised barley roots grown under sterile and non-sterile conditions;Barber;Annu. Rep. Letcombe Lab. A.R.C. (U.K.),1969
5. The contribution of microorganisms to the apparent absorption of ions by excised roots grown under non-sterile conditions;Barber;Annu. Rep. Letcombe Lab. A.R.C. (U.K.),1970