agricultura
TRANSCRIPT
![Page 1: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/1.jpg)
•L´AGRICULTURA COM A RECURS DE LA BIOSFERA
Elena Gómez
2º batx X
![Page 2: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/2.jpg)
Que entenem per agricultura.
• És el conjunt de tècniques i coneixements per cultivar la terra.
![Page 3: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/3.jpg)
Inicis
![Page 4: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/4.jpg)
Tipus d ´agricultura al món• 1. Tradicional o de subsistencia.
![Page 5: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/5.jpg)
• 2. Sostenible.
![Page 6: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/6.jpg)
![Page 7: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/7.jpg)
• I la Intensiva
![Page 8: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/8.jpg)
Extensiva
![Page 9: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/9.jpg)
• 3. Alternativa, on entra la biologica o ecologica
![Page 10: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/10.jpg)
Fators limitants
![Page 11: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/11.jpg)
Problemes ambientals i economics actuals
• Contaminació per nitrogen i fósforomagnesio en rius, llacs i aigües subterrànies.
• Erosió del terreny.
![Page 12: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/12.jpg)
Problemes
![Page 13: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/13.jpg)
Avanços de l´agricultura
![Page 14: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/14.jpg)
Revolució verda
![Page 15: Agricultura](https://reader035.vdocuments.co/reader035/viewer/2022062418/556716b2d8b42a8e528b5946/html5/thumbnails/15.jpg)
Bibliografia• http://www.google.es/search?hl=es&q=agricultura+mantenimiento&gs_sm=sc&gs_upl=2238l8136l0l9673l15l10l5l0l0l0l354
l2484l0.1.7.2l15l0&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1066&bih=590&pdl=300&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi#um=1&hl=es&tbm=isch&sa=1&q=agricultura+&oq=agricultura+&aq=f&aqi=&aql=&gs_sm=e&gs_upl=18576l18576l4l18734l1l1l0l0l0l0l0l0ll0l0&bav=on.2,or.r_gc.r_pw.,cf.osb&fp=2d39918fb987be5c&biw=1066&bih=590
• http://www.google.es/search?hl=es&q=agricultura+mantenimiento&gs_sm=sc&gs_upl=2238l8136l0l9673l15l10l5l0l0l0l354l2484l0.1.7.2l15l0&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1066&bih=590&pdl=300&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi#um=1&hl=es&tbm=isch&q=agricultura+ecologica&revid=1716735854&sa=X&ei=2xbVTp7OGefa4QT568TFAQ&ved=0CDoQ1QIoAQ&bav=on.2,or.r_gc.r_pw.,cf.osb&fp=2d39918fb987be5c&biw=1066&bih=590
• http://www.blogdemedioambiente.com/category/agricultura-ecologica/
• http://noticias.agroterra.com/agricultura
• Llibre de 2º de batxiller de CTMA
• http://www.ub.edu/geocrit/sn-92.htm• http://www.marm.es/es/agricultura/temas/default.aspx• http://www.agricultura.gva.es/web/web/
guest;jsessionid=d5f0222ca63b6ae85d4860a6c1c940bbfbbc239b6a8fc395bc448e91d319953f