عن المنظمة الأخبار الوسائط الإعلامية المتعددة الموضوعات الرئيسية الإحصائيات الأعضاء المطبوعات

أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

[ نُشرت في: Pollution ]
بحث متقدّم
الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
engrais pk

خيارات البحث

النتائج 1 - 3 من 3

Nitrate in nature: product of soil cover

1998

Bielek, P. (Soil Fertility Research Institute, Gagarinova 10, 827 13 Bratislava (Czech Republic))

abonos pk nitrogen geographical information systems agricultural soils mineralization fertilizers nitrificacion nitrogeno engrais azote systeme d'information geographique vegetacion mineralizacion ...
Department for Environment, Food and Rural Affairs - United Kingdom
The liming of forest soils in Finland

1989

Derome, J. | Paetilae, A. (The Finnish Forest Research Institute, Vanda (Finland))

suelo turboso forest soils ph sol tourbeux ashes chaulage finland/ lysimeters sol de foret alcalinite finlandia/ lisimetros sol mineral finlande/ lysimetre ...
The Norwegian University Library of Life Sciences - Norway
The role of field experiments in the study of soil mediated effects of air pollution on forest trees

1989

Tamm, C.O. (Swedish University of Agricultural Sciences, Uppsala (Sweden). Dep. of Ecology and Environmental Research)

air pollution fertilizantes nitrogenados vegetation volumen acidification agricultural lime pollution atmospherique ecosistema/ crecimiento ecosysteme/ croissance contaminacion del aire contenido de nitrogeno acido sulfurico ...
The Norwegian University Library of Life Sciences - Norway