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[ Publié dans: Pollution ]
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1994

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Résultats 181-190 de 233

Growth and activity of mycorrhizas in connection to nutrients, water and oxygen in soil. 2: Growth of plants and mycelia in the microcosms

1994

Kottke, I. (Tuebingen Univ. (Germany). Botanisches Inst., Spezielle Botanik und Mykologie) | Leontovykova, J.

mycorrhizae picea abies eau disponible nutrient availability mycelium disponibilidad de nutrientes 147.7 picea abies minikosmen 181.351 181.312 114.124 bodenbelueftung ...
ZB MED Nutrition. Environment. Agriculture - Germany
Climatic variation and growth of Norway spruce (Picea abies (L.) Karst.), Silver fir (Abies alba Mill.) and European beech (Fagus silvatica L.) in Southwestern Germany

1994

Kahle, H.P. (Freiburg Univ. (Germany). Forstwissenschaftliche Fakultaet. Inst. fuer Waldwachstum) | Hahn, D. | Spiecker, H.

picea abies growth bilan hydrique croissance crecimiento site factors condiciones atmosfericas 181.312 conditions meteorologiques witterungsverlauf wasserbilanz standortchronologien facteur lie au site ...
ZB MED Nutrition. Environment. Agriculture - Germany
Diagnosis of damage to Norway spruce (Picea abies) and silver fir (Abies alba) through visible and biochemical criteria. A comparison of both diagnostic methods on permanent-observation sites in Baden-Wuerttemberg

1994

Schmitt, V. (Mainz Univ. (Germany). Inst. fuer Allgemeine Botanik) | Wild, A.

necrose chlorosis organismos indicadores picea abies organisme indicateur clorosis tannen zellulaere stoerungen chlorophyllgehalt ascorbinsaeure metabolite nadelvergilbung ...
ZB MED Nutrition. Environment. Agriculture - Germany
The effect of liming and Mg-fertilization on uptake, transport and final use of calcium and magnesium in conifers. 2: Significance of internal and external factors influencing the Ca- and Mg-dynamics in Norway spruce trees

1994

Tuerk, S. (Freiburg Univ. (Germany). Inst. fuer Forstbotanik und Baumphysiologie) | Guelpen, M. | Fink, S.

picea abies calcium fertilizers soil chemistry mg xylem magnesium fertilizers engrais magnesien assimilationsorgane 237.419 naehrstoffversorgung fichten 181.341 ...
ZB MED Nutrition. Environment. Agriculture - Germany
Project ARINUS: 8. Distribution and nutritional status of fine roots following experimental treatments

1994

Raspe, S. (Freiburg Univ. (Germany). Inst. fuer Bodenkunde und Waldernaehrungslehre) | Feger, K.H. | Zoettl, H.W.

aluminio nitrogen picea abies liming materials inorganic fertilizers magnesio nitrogeno raices dolomitische kalkung n-ernaehrung feinwurzeln verflachung 237.414 ...
ZB MED Nutrition. Environment. Agriculture - Germany
The yellowing process and its prevention by artificial shading

1994

Siefermann-Harms, D. (Karlsruhe Univ. (Germany). Botanisches Inst.) | Weinmann, C. | Schneckenburger, H. | Heumann, H.G. | Seidel, A.

fertilizer application picea abies energietransfer fluoreszenz al chloroplaste regime lumineux 160.201 mg-gehalt lichtexposition kuenstliche beschattung 416.15 ...
ZB MED Nutrition. Environment. Agriculture - Germany
The pollution of lakes and reservoirs | Survey of the state of world lakes

1994

Clarke, Robin

reservoirs water lakes pollution lake conservation
National Agricultural Library - United States of America
Irrigated agriculture and environmental pollution

1994

Dinar, Ariel | Howitt, Richard E. | Zilberman, David

california pollution drainage irrigation farming irrigation and drainage san joaquin valley soils salts in
National Agricultural Library - United States of America
Sulphur emission from large point sources in Europe. 2. ed.

1994

Barrett M. | Protheroe R.

polluant industriel pulp and paper industry industria de la pasta y el papel contaminantes industriales europa energy generation industrie de pate et papier production energetique generacion de energia pollution atmospherique polucion del aire ...
Wolters Kluwer - United States of America
Energy & pollution control opportunities to the year 2000 | Energy and pollution control opportunities to the year 2000

1994

Jackson, Marilyn

global warming economic aspects environmental engineering chlorofluorocarbons air quality management pollution control industry environmental aspects
National Agricultural Library - United States of America