عن المنظمة الأخبار الوسائط الإعلامية المتعددة الموضوعات الرئيسية الإحصائيات الأعضاء المطبوعات

أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

[ نُشرت في: Pollution ]
بحث متقدّم
تاريخ الإصدار
1989

خيارات البحث

النتائج 111 - 120 من 266

[Effect of surface liming in doses suitable for melioration on the pH-value and cation exchange of an acid brown soil on loess]

1989

Meiwes, K.J. (Niedersaechsische Forstliche Versuchsanstalt, Goettingen (Germany, F.R.)) | Beese, F.

loess soils ph buche engrais calcique cations baja sajonia bodenwirkungen stofftransport 114.54 aluminium-pufferbereich bodenstruktur 114.468 ...
ZB MED Nutrition. Environment. Agriculture - Germany
Handbook of limnology & water pollution | Handbook of limnology and water pollution

1989

Das, S. M. (Shailendra Mohan)

limnology water pollution
National Agricultural Library - United States of America
Air pollution and forest decline

1989

Bucher, Jürg B. | Bucher-Wallin, Inga

air forest ecology pollution effect of air pollution on forest declines environmental aspects
National Agricultural Library - United States of America
Proven profits from pollution prevention

1986-1989

Huisingh, Donald | Martin, Lawrence R.

environmental protection pollution prevention waste minimization economic aspects cost effectiveness pollution control industry
National Agricultural Library - United States of America
Pesticides and PCBs in oysters from Mazatlan, Sinaloa, Mexico

1989

Martin, M. | Gutierrez-Galindo, E. (California Department of Fish and Game, Marine Pollution Studies Laboratory, Monterey, CA 93940 (USA))

residuos efectos secundarios dde insecticides effet secondaire insecticidas residu huitre ...
Department for Environment, Food and Rural Affairs - United Kingdom
The state of transboundary air pollution: effects and control

1989

toma de decisiones cours d'eau rivers pluie acide acid rain acidification lutte antipollution/ controle continu prise de decision control de la contaminacion/ vigilancia polucion del aire acidificacion pollution control/ monitoring ...
Food and Agriculture Organization of the United Nations - Italy
Bark beetles and air pollution [also incl. Ips typographus, Pityogenes chalcographus]

1989

Christiansen, E. (Norsk Institutt for Skogforskning, Aas (Norway). Inst. for Skogoekologi)

europe europa pityogenes coniferous forests air pollution dendroctonus foret resineuse pollution atmospherique contaminacion del aire californie/ ecorce bosque de coniferas california/ corteza ...
Norwegian University Library of Life Sciences - Norway
Microbial activity in forest soils in relation to acid/base and carbon/nitrogen status

1989

Persson, T. | Wiren, A. (Swedish University of Agricultural Scieces, Uppsala (Sweden). Dept. of Ecology and Environmental Research)

microorganismos dioxyde de carbone air pollution mineral soils organic matter ph pollution atmospherique metabolisme de l'azote alcalinite sol mineral suecia/ hojarasca forestal dioxido de carbono ...
Norwegian University Library of Life Sciences - Norway
Nutrients and structural dynamics of conifer needles in South Sweden 1985-1987

1989

Nihlgaard, B. (Lund University (Sweden). Dep. of Plant Ecology)

oligoelementos colour air pollution soil chemistry aluminium mineral soils contenido de nutrientes pollution atmospherique quimica del suelo suede/ perte suecia/ perdidas sol mineral ...
Norwegian University Library of Life Sciences - Norway
Effects of crown decline on increment in Norway spruce (Picea abies (L.) Karst) in southern Sweden

1989

Bjoerkdahl, G. | Eriksson, H. (Swedish Univ. of Agricultural Sciences, Garpenberg (Sweden). Dep. of Forest Yield Research)

aubier contenido de materia seca temperatura temperature age modele teneur en matiere seche perdidas suede/ hauteur suecia/ altura sweden/ height precipitacion atmosferica ...
Norwegian University Library of Life Sciences - Norway