Ergebnisse 1-2 innerhalb von 2 Dokumenten
The usage of natural fertilizers - a practice that favors the ecological agriculture development in Romania [Zeitschriftenartikel]
Quelle: Lucrări Știintifice : Seria Horticultura, 55 (2012) 2. S.437-422
Environmental education in rural areas - a real support for sustainable development [Zeitschriftenartikel]
Quelle: Lucrări Știintifice : Seria Horticultura, 55 (2012) 2. S.117-122