orez

tari in curs de dezvoltare legumineuses agricultural policy pompe negociations commerciales terre agricole cartofi agroeconomie productie agricola humidite coton publications en serie leguminoase agricultural management vegetable crops comert pumps sorgho canale de irigatie efficacite criza alimentara field research orez pays en developpement chickpeas porumb cultures agricoles case studies inondations economie agrara teren agricol agricultural economy aspects economiques agricultural trade sfecla de zahar vegetables fabrication industrielle manufacturing economic policy dams seigle economic aspects culturi agricole baraje pompes mise en valeur des terres starch plants studii de caz agriculture sugar beets imports potatoes agricultural economics plante bumbac lakes exportations irigatii preturi politique economique cultures industrielles cultures maraicheres genetique aspecte economice triticale importations oats irrigation canals betteraves sucrieres management agricol floods ovaz barrages inundatii crops carte straina cotton serials soybeans ble land development securite alimentaire gestion agricole prix legumes recherche sur le terrain grau soils agricultural production humidity eficienta politica economica agricultural land lacs politique des prix trade negotiations fabricare industriala food security penurie alimentaire canaux d'irrigation politica preturilor irrigation developing countries sorghum avoine culturi de camp soluri sols securitate alimentara sorg genetics umiditate erosion du sol food shortage exports eroziunea solului wheat conducte cultura plantelor tehnice industrial crops cultures de plein champ soil erosion negocieri comerciale propriete fonciere pommes de terre publicatii periodice efficiency comert agricol tehnologie agricola mais naut exporturi rice legumicultura land ownership legume prices amidon riz economie agricole pois chiches genetica genie agricole studii de teren price policy rye politique agricole hibrid de grau si secara soja economia agriculturii lacuri commerce plantes politica agricola valorificarea terenurilor agricultura teze de doctorat commerce agricole agricultural engineering etudes de cas soia pipelines field crops proprietate funciara importuri leguminosae secara production agricole maise trade