Ecology and Natural Resources Management (ECOL)

1999

Schultz, C., G. Ginting, A.M. Moawad and P.L.G. Vlek.  1999.  The role of (vesicular-) arbuscular mycorrhiza in the weaning stage of micropropagated oil palms.  Mitteilungen aus der Biologischen Bundesanstalt für Land- und Forstwirtschaft Berlin-Dahlem, Heft 363.   74. 
Schultz, C., G. Ginting, A.M. Moawad und P.L.G. Vlek.  1999.  Verbesserung der Überlebensrate in vitro vermehrter Ölpalmen in der Akklimatisierungsphase durch (V)A-Mykorrhizapilze.  In: Backhaus, G.F. und F. Feldmann (eds.): Arbuskuläre Mykorrhiza.  
Schultz, C., S.L. Subronto, A.M. Moawad and P.L.G. Vlek.  1999.  The role of (vesicular-) arbuscular mycorrhiza to improve the hardening of in vitro propagated oil palm plantlets to natural growth conditions.  Indonesian Journal of Oil Palm, .
Tuladhar, J. K.  1999.  Response of wheat to Boron application in Sipaghat Soil.  Journal of Nepal Agricultural Research. SAS-Nepal, Khumaltar, Volume 3:1, .

1998

Bationo, A., and P.L.G. Vlek.  1998.  The Role of Nitrogen Fertilizers Applied to Food Crops in the Sudano-Sahelian Zone of West Africa.  In: Renard, G., Neef, A., Becker, K. and von Oppen, M. (eds.): Soil Fertility Management in West African Land Use Systems. Proc. Regional Workshop Univ. Hohenheim, ICRISAT Sahelian Centre and INRAN 4-8 March 1997, Niamey, Niger. Margraf, Weikersheim.   41-51. 
Sanetra, C.M., O. Ito, S.M. Virmani, and P.L.G. Vlek.  1998.  Remobilization of nitrogen from senescing leaves of pigeonpea (Cajanus cajan (L.) Millsp.): genotypic differences across maturity groups.  J. Exp. Bot., 49 (322)   : 853-862   .
Wick, B., R.F. Kühne, and P.L.G. Vlek.  1998.  Soil microbiological parameters as indicators of soil quality under improved fallow management systems in south-western Nigeria.  Plant and Soil, 202, 1998   : 97-107   .

1997

Vlek, P.L.G., R.F. Kühne, and M. Denich.  1997.  Nutrient resources for crop procution in the tropics.  Phil. Trans. R. Soc. Lond., B 352   : 975-985   .
Wiesenmüller, J., M. Denich, and P.L.G. Vlek.  1997.  Bedeutung des Wurzelsystems für die Regeneration der Brachevegetation in Nordost-Brasilien. (Significance of the root system for the regeneration of the fallow vegetation on N. E. Brazil).  In: W. Merbach (eds.): Rhizosphärenforschung, Umweltstreß und Ökosystemstabilität. B.G. Teubner Verlagsges. Stuttgart.   84-89. 

1996

Edi Premono, M., A.M. Moawad, and P.L.G. Vlek.  1996.  "Effect of phosphate-solubilizing Pseudomonas putida on the growth of maize and its survival in the rhizosphere".  Indones. J. Crop Sci., 11 (1)   : 13-23   .

1982

El-Zahaby, E.M., S.H. Chien, N.K. Savant, P.L.G. Vlek, and A.U. Mokwunye.  1982.  Effect of Pyrophosphate on Phosphate Sorption and Ammonia Volatilization by Calcareous Soils Treated with Ammonium Phosphates.  Soil Sci. Soc. Am. J., 46   : 733-740   .

Other

Salmon, J.M., M.A. Friedl, S. Frolking, D. Wisser, E.M. Douglas.  Global rain-fed, irrigated, and paddy croplands: A new high resolution map derived from remote sensing, crop inventories and climate data.  International Journal of Applied Earth Observation and Geoinformation , 38   : 321-334   .

Diese Webseite verwendet Cookies

Diese Website verwendet Cookies – nähere Informationen dazu und zu Ihren Rechten als Benutzer finden Sie in unserer Datenschutzerklärung am Ende der Seite. Klicken Sie auf „Ich stimme zu“, um Cookies zu akzeptieren und direkt unsere Website besuchen zu können.
Read more