Displaying works 41 - 60 of 67 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
1989 journal article
International travel by US conservation groups and professional societies
Journal of Travel Research, 28(1), 12.
1989 journal article
Employment and resource efficiency in forest products industries of Ecuador
Working Paper (Forestry Private Enterprise Initiative), (40), 13.
1989 journal article
Analysis of a forestation credit program in Ecuador: A rationale for modification and agroforestry application
Working Paper (Forestry Private Enterprise Initiative), (42), 97.
1989 journal article
Spatial and temporal variability of foliar nutrient levels in Fraser fir Christmas trees
Forest Science, 35(2), 632.
1989 journal article
Nursery rooting of cuttings from seedlings of slash and loblolly pine
Southern Journal of Applied Forestry, 13(3), 127.
1989 journal article
MODELING NUTRIENT FLUX AND INTERSPECIES ROOT COMPETITION IN AGROFORESTRY INTERPLANTINGS
AGROFORESTRY SYSTEMS, 8(3), 257β265.
1989 article
JUVENILE WOOD SPECIFIC-GRAVITY OF LOBLOLLY-PINE TISSUE-CULTURE PLANTLETS AND SEEDLINGS
FRAMPTON, L. J., & JETT, J. B. (1989, October). CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, Vol. 19, pp. 1347β1350.
1989 journal article
EFFECTS OF ROOT-ZONE ACIDITY ON UTILIZATION OF NITRATE AND AMMONIUM IN TOBACCO PLANTS
JOURNAL OF PLANT NUTRITION, 12(7), 811β826.
1989 journal article
Climatic limitations to growth in loblolly and shortleaf pine (Pinus taeda and P. echinata): A dendroclimatological approach
Forest Ecology and Management, 26(2), 113.
1989 journal article
CYCLIC VARIATIONS IN NITROGEN UPTAKE RATE OF SOYBEAN PLANTS - AMMONIUM AS A NITROGEN-SOURCE
PLANT PHYSIOLOGY, 91(4), 1345β1350.
1989 journal article
Biomass and nutrient accumulation in Fraser-fir Christmas trees
HortScience, 24(2), 280.
1989 journal article
An assessment of remotely sensed imagery for use in hardwood stand density distribution mapping in central California
Technical Papers 1989 ASPRS/ACSM Annual Convention.Volume 3.Remote Sensing, 109.
1989 journal article
Should sawnwood be produced with chainsaws? Observations in Ecuador
Journal of World Forest Resource Management, 4(2), 111.
1989 journal article
Efficiency and employment in Ecuador's sawnwood industry
Working Paper (Forestry Private Enterprise Initiative), (41), 48.
1989 patent
Method for transforming pine
Washington, DC: U.S. Patent and Trademark Office.
1989 book
Soil genesis and classification (3rd ed.)
Ames: Iowa State University Press.
1989 journal article
PHYSIOLOGICAL AND BEHAVIORAL-EFFECTS OF GUTHION ON PINE VOLES, MICROTUS-PINETORUM
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY, 43(1), 80β86.
1989 article
MINK RESPONSE TO ULTRASOUND IN THE RANGE EMITTED BY PREY
POWELL, R. A., & ZIELINSKI, W. J. (1989, August). JOURNAL OF MAMMALOGY, Vol. 70, pp. 637β638.
1989 chapter
Effects of resource productivity, patchiness and predictability on mating and dispersal strategies
In V. Standen & R. A. Foley (Eds.), Comparative socioecology : the behavioural ecology of humans and other mammals (pp. 101β123). Oxford; Boston: Blackwell Scientific Publications.
Ed(s): V. Standen & R. Foley
1989 book
Fisheries and wildlife planning teaching module
Blacksburg: Virginia Polytechnic Institute and State University, Dept. of Fisheries and Wildlife Sciences.