Life Sciences: Volume 20

Production, Processing and Waste Recycling in a CELSS. Preface (R.M. Wheeler, J.L. Garland). Direct utilization of human liquid wastes by plants in a closed ecosystem (G.M. Lisovsky et al. ). Integration of crop production with CELSS waste management (K. Wignarajah, D.L. Bubenheim). Theoretical and practical considerations for staggered production of crops in a BLSS (G.W. Stutte et al. ). Super-optimal CO2 reduces wheat yield in growth chamber and greenhouse environments (T. Grotenhuis et al .). Biological Effects of Closure and Recycling in a CELSS. Preface (T.W. Tibbitts). Effect of wind velocity on ethylene release from lettuce plants (A. Tani, M. Kiyota). Density and composition of microorganisms during long-term (418 day) growth of potato using biologically reclaimed nutrients from inedible plant biomass (J.L. Garland et al. ). Peculiarities of biological processes under conditions of microgravity (G.S. Nechitailo, A.L. Mashinsky). Nutrition and Productivity for Bioregenerative Life Support . Preface (S.S. Nielsen). Effects of modified atmosphere on crop productivity and mineral content (P. Chagvardieff et al. ). Effect of elevated carbon dioxide on nutritional quality of tomato (R.M. Wheeler et al. ). Integration of Bioregenerative and Physical/Chemical Processes for Space Life Support Systems. Memorial: Dr Willy Z. Sadeh (E. Sadeh). Preface (C.A. Mitchell). Interaction of physical-chemical and biological regeneration processes in ecological life support systems (V.Ye. Rygalov et al. ). Hydroponic potato production on nutrients derived from anaerobically-processed potato plant residues (C.L. Mackowiak et al. ). Application of NASA's advanced life support technologies in polar regions (D.L. Bubenheim, C. Lewis). A new enzymatic technique to estimate the efficiency of microbial degradation of pollutants (A.B. Sarangova, L.A. Somova).