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AGRIS — международная информационная система по сельскохозяйственным наукам и технологиям

[ Опубликовано в: Pollution ]
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1991

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Результаты 191-200 из 229

Grazing management

1991

Welch, Tommy G.

grazing runoff animal nutrition texas management pastures forage plants plant production (range and pasture crops) environmental aspects range ecology ...
National Agricultural Library - United States of America
Reauthorization of the Federal Water Pollution Control Act

1991

pollution water united states law and legislation
National Agricultural Library - United States of America
Animal waste application

1991

Sweeten, John M.

wastewater texas soil fertility fertilizers excreta pollution animal waste manure handling and manures environmental aspects application rate land application ...
National Agricultural Library - United States of America
Pesticide management

1991

McWilliams, D. A.

pesticides pesticides agricultural pollution texas groundwater soil physical properties safety measures pesticides (general) groundwater contamination environmental aspects ...
National Agricultural Library - United States of America
L' etat de la pollution atmospherique transfrontiere: mise a jour 1989.

1991

costos arbre forestier soil pollution mercurio pollution du sol national expenditure control de la contaminacion metal lourd polucion del aire polucion del suelo arboles forestales cout ...
Wolters Kluwer - United States of America
L' evaluation de la pollution atmospherique transfrontiere a longue distance.

1991

incentivos costos transporte environmental policies arbre forestier forest trees politique de l' environnement control de la contaminacion danos polucion del aire degat arboles forestales ...
Wolters Kluwer - United States of America
Water Pollution Prevention and Control Act of 1991

1991

pollution water united states law and legislation
National Agricultural Library - United States of America
Silvicultural practices

1991

Lord, Roger G. | Dreesen, Alan D.

forest management forest soils texas fertilization water pollution forest management silvicultural practices forests and forestry ...
National Agricultural Library - United States of America
Future research directions and data requirements for developing ambient ozone guidelines or standards for agroecosystems Полный текст

1991

Jäger, Hans-Jürgen | Grünhage, Ludger | Dämmgen, Ulrich | Richter, Otto | Krupa, Sagar V.

Thünen-Institut - Germany
Single and interactive effects of low levels of O3, SO2 and NO2 on the growth and yield of spring rape Полный текст

1991

Adaros Vásquez, Gastón | Weigel, Hans-Joachim | Jäger, Hans-Jürgen

Thünen-Institut - Germany