Harvest technology and labour supply in Britain, 1790-1870
Les biostimulants peuvent quant à eux être un moyen pour limiter les apports en engrais minéraux. Dans ce contexte, et dans le cadre du projet agroécologique ...
bulletin ix - the beet sugar industry... worked. All devastated countries went through serious transport difficulties which have not as yet been overcome. Europe's losses in locomotives and goods ... Agriculture and Rural Development 1975 / 1977 CorrespondenceComing back to the example of bio-fuels, moving from maize to sugar beet for ethanol production would probably have a low effect on ... Qualification and assessment of work organisation in livestock farmsAlthough Japanese Canadian detainees are the most widely known group to have worked in Alberta's sugar beet fields during the war and im- mediate post-war ...
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