{"id":2763,"date":"2017-05-04T11:52:44","date_gmt":"2017-05-04T09:52:44","guid":{"rendered":"http:\/\/www.supagro.fr\/wordpress\/modeleco\/?page_id=2763"},"modified":"2017-11-30T12:08:47","modified_gmt":"2017-11-30T11:08:47","slug":"activite-23-target-motad","status":"publish","type":"page","link":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/auto-formation\/sequence3\/cours-1-lagriculture-une-activite-risquee\/lecon-23-chance-constrained-model-et-target-motad\/activite-23-target-motad\/","title":{"rendered":"Activit\u00e9 24 : Mod\u00e8le \u00ab\u00a0Lauragais\u00a0\u00bb &#8211; Target MOTAD"},"content":{"rendered":"<h4 style=\"text-align: right\"><span style=\"text-decoration: underline\">Dur\u00e9e : environ 30 minutes<\/span><\/h4>\n<p><strong>On veut introduire le risque sous forme \u00ab\u00a0target MOTAD\u00a0\u00bb. A partir du mod\u00e8le solution <a href=\"http:\/\/www.supagro.fr\/ModelEco\/modeles\/modelEco_lauragais1.zip\">modelEco_lauragais1.gms<\/a> ou de celui que vous avez \u00e9crit dans l\u2019activit\u00e9 20, ajoutez le risque sous forme \u00ab\u00a0target MOTAD\u00a0\u00bb. La d\u00e9viation moyenne tol\u00e9r\u00e9e est de 5000\u20ac et le revenu minimal est de 110000\u20ac.<br \/>\n<\/strong><\/p>\n<div id=\"wpProQuiz_31\" class=\"wpProQuiz_content\">\n<div class=\"wpProQuiz_text\">\n<div><strong>R\u00e9pondez aux questions suivantes en comparant avec le cas sans aversion au risque :\u00a0<\/strong><\/div>\n<div>Combien d&rsquo;hectares sont lou\u00e9s ?<\/div>\n<div>Quel est le revenu moyen de l&rsquo;agriculteur ? Quel est le revenu minimal qu&rsquo;il peut avoir et dans quel \u00e9tat de la nature ?<\/div>\n<div>Quelle est la r\u00e9partition de son assolement ?<\/div>\n<div><\/div>\n<\/div>\n<\/div>\n<div id=\"wpProQuiz_31\" class=\"wpProQuiz_content\"><\/div>\n<p><strong><a href=\"http:\/\/www.supagro.fr\/wordpress\/modeleco\/auto-formation\/sequence3\/cours-1-lagriculture-une-activite-risquee\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"http:\/\/www.supagro.fr\/wordpress\/modeleco\/files\/2016\/07\/retourAuSommaireDuCours.png\" alt=\"retourAuSommaireDuCours\" width=\"200\" height=\"54\" \/><\/a><\/strong><strong><a href=\"http:\/\/www.supagro.fr\/wordpress\/modeleco\/auto-formation\/sequence3\/cours-1-lagriculture-une-activite-risquee\/lecon-23-chance-constrained-model-et-target-motad\/activite-23-target-motad-solution\/\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"http:\/\/www.supagro.fr\/wordpress\/modeleco\/files\/2016\/08\/solution.png\" alt=\"solution\" width=\"92\" height=\"45\" \/><\/a><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Pour rappel, l\u2019\u00e9nonc\u00e9 du mod\u00e8le :<br \/>\n<\/strong><\/p>\n<p><em>\u00ab\u00a0Une exploitation agricole du Lauragais, r\u00e9gion du sud-ouest de la France, compte 200 ha de surface agricole dont 100 ha sont irrigu\u00e9s. Sur cette exploitation, travaillent une agricultrice et son mari, les deux sont des travailleurs qualifi\u00e9s.<\/em><\/p>\n<p><em>L\u2019agricultrice commercialise sa production via une coop\u00e9rative agricole locale tr\u00e8s impliqu\u00e9e dans la production et la commercialisation de semences. Elle \u00a0a ainsi le choix entre\u00a0deux types de production, des grandes cultures destin\u00e9es au march\u00e9 de l\u2019alimentation humaine ou animale et des cultures pour la production de semences, produites sous contrat avec la coop\u00e9rative.\u00a0 Les grandes cultures qu\u2019elle peut produire (\u00e0 destination des march\u00e9s \u00a0de l\u2019alimentation humaine ou animale) sont\u00a0: bl\u00e9 tendre, bl\u00e9 dur, soja et tournesol. Les cultures destin\u00e9es \u00e0 la production des semences, concernent le ma\u00efs et des cultures potag\u00e8res\u00a0: concombre, chou, betterave, carotte, oignon et persil. Les cultures destin\u00e9es \u00e0 la production de semences sont beaucoup plus rentables, mais les exigences de qualit\u00e9 de la coop\u00e9rative sont tr\u00e8s strictes et certaines ann\u00e9es, les conditions climatiques ne permettent pas d\u2019atteindre la qualit\u00e9 pr\u00e9vue dans le cahier des charges. Le prix qui d\u00e9pend de la qualit\u00e9 s\u2019en ressent. Dans certains cas, la coop\u00e9rative peut refuser la totalit\u00e9 de la r\u00e9colte. La marge brute de cette production est alors nulle.<\/em><\/p>\n<p><em>Les cultures de semences sont consommatrices de main d\u2019\u0153uvre non qualifi\u00e9e, pour la r\u00e9colte. Ce travail est enti\u00e8rement salari\u00e9 et doit \u00eatre surveill\u00e9 par un travailleur qualifi\u00e9 (familial ou salari\u00e9 lui aussi). On compte un travailleur qualifi\u00e9 pour surveiller 20 travailleurs non qualifi\u00e9s. Un travailleur salari\u00e9 coute\u00a011.1\u20ac\/heure et un travailleur qualifi\u00e9\u00a073.3\u20ac\/heure. Les charges fixes de l\u2019exploitation sont de\u00a093293\u20ac. L\u2019agricultrice peut louer des terres \u00e0 ses voisins avec un prix du fermage de 519\u20ac. Les charges pour chaque culture sont divis\u00e9es en trois types, les charges op\u00e9rationnelles hors main-d\u2019\u0153uvre, les charges sp\u00e9cifiques et les charges de main-d\u2019\u0153uvre salari\u00e9e. Elles sont r\u00e9parties de la mani\u00e8re suivante\u00a0:<\/em><\/p>\n<table width=\"621\">\n<tbody>\n<tr>\n<td width=\"181\"><strong>\u00a0<\/strong><\/td>\n<td width=\"160\"><strong>Charges op\u00e9rationnelles hors main-d\u2019\u0153uvre par culture (\u20ac\/ha)<br \/>\n<\/strong><\/td>\n<td width=\"139\"><strong>Charges sp\u00e9cifiques hors main-d\u2019\u0153uvre par culture (\u20ac\/ha)<br \/>\n<\/strong><\/td>\n<td width=\"142\"><strong>Charges de main-d\u2019\u0153uvre non qualifi\u00e9e par culture (\u20ac\/ha) *<br \/>\n<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"181\"><em>Bl\u00e9 dur<\/em><\/td>\n<td width=\"160\">379<\/td>\n<td width=\"139\">488<\/td>\n<td width=\"142\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"181\"><em>Bl\u00e9 tendre<\/em><\/td>\n<td width=\"160\">379<\/td>\n<td width=\"139\">488<\/td>\n<td width=\"142\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"181\"><em>Tournesol<\/em><\/td>\n<td width=\"160\">258<\/td>\n<td width=\"139\">488<\/td>\n<td width=\"142\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"181\"><em>Soja<\/em><\/td>\n<td width=\"160\">777<\/td>\n<td width=\"139\">488<\/td>\n<td width=\"142\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"181\"><em>Ma\u00efs semence<\/em><\/td>\n<td width=\"160\">1814<\/td>\n<td width=\"139\">488<\/td>\n<td width=\"142\">1332<\/td>\n<\/tr>\n<tr>\n<td width=\"181\"><em>Betterave semence<\/em><\/td>\n<td width=\"160\">3369<\/td>\n<td width=\"139\">1244<\/td>\n<td width=\"142\">999<\/td>\n<\/tr>\n<tr>\n<td width=\"181\"><em>Concombre semence<\/em><\/td>\n<td width=\"160\">1175<\/td>\n<td width=\"139\">1244<\/td>\n<td width=\"142\">1332<\/td>\n<\/tr>\n<tr>\n<td width=\"181\"><em>Carotte semence<\/em><\/td>\n<td width=\"160\">1743<\/td>\n<td width=\"139\">1244<\/td>\n<td width=\"142\">444<\/td>\n<\/tr>\n<tr>\n<td width=\"181\"><em>Oignon semence<\/em><\/td>\n<td width=\"160\">3964<\/td>\n<td width=\"139\">1244<\/td>\n<td width=\"142\">2220<\/td>\n<\/tr>\n<tr>\n<td width=\"181\"><em>Chou semence<\/em><\/td>\n<td width=\"160\">3109<\/td>\n<td width=\"139\">1244<\/td>\n<td width=\"142\">2220<\/td>\n<\/tr>\n<tr>\n<td width=\"181\"><em>Persil semence<\/em><\/td>\n<td width=\"160\">826<\/td>\n<td width=\"139\">1244<\/td>\n<td width=\"142\">166.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>*Il s\u2019agit de la somme des multiplications des besoins en travail non qualifi\u00e9 (voir tableau suivant) par le cout horaire du travail.<\/em><\/p>\n<p><em>Les cultures ne demandent pas le m\u00eame travail chaque mois de l\u2019ann\u00e9e. Seules les grandes cultures demandent du travail qualifi\u00e9, il s\u2019agit du travail m\u00e9canis\u00e9. Les cultures de semences ont \u00a0elles des forts besoins en main-d\u2019\u0153uvre non qualifi\u00e9e lors des r\u00e9coltes. Les besoins de main-d\u2019\u0153uvre sont r\u00e9partis entre main-d\u2019\u0153uvre qualifi\u00e9e et non qualifi\u00e9e comme suit\u00a0:<\/em><\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"14\" width=\"604\"><strong>Besoin en main d\u2019\u0153uvre qualifi\u00e9e par mois, en heures par hectare<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"84\"><strong>MOIS<\/strong><\/td>\n<td width=\"37\"><strong>M1<\/strong><\/td>\n<td width=\"37\"><strong>M2<\/strong><\/td>\n<td width=\"37\"><strong>M3<\/strong><\/td>\n<td width=\"37\"><strong>M4<\/strong><\/td>\n<td colspan=\"2\" width=\"37\"><strong>M5<\/strong><\/td>\n<td width=\"37\"><strong>M6<\/strong><\/td>\n<td width=\"37\"><strong>M7<\/strong><\/td>\n<td width=\"52\"><strong>M8<\/strong><\/td>\n<td width=\"52\"><strong>M9<\/strong><\/td>\n<td width=\"52\"><strong>M10<\/strong><\/td>\n<td width=\"52\"><strong>M11<\/strong><\/td>\n<td width=\"52\"><strong>M12<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"84\"><em>Bl\u00e9 dur<\/em><\/td>\n<td width=\"37\">1<\/td>\n<td width=\"37\">0.5<\/td>\n<td width=\"37\">0.5<\/td>\n<td width=\"37\">0.5<\/td>\n<td width=\"36\">0.5<\/td>\n<td colspan=\"2\" width=\"38\">0<\/td>\n<td width=\"37\">1.5<\/td>\n<td width=\"52\">0<\/td>\n<td width=\"52\">0.5<\/td>\n<td width=\"52\">1.5<\/td>\n<td width=\"52\">2.5<\/td>\n<td width=\"52\">0.5<\/td>\n<\/tr>\n<tr>\n<td width=\"84\"><em>Bl\u00e9 tendre<\/em><\/td>\n<td width=\"37\">1<\/td>\n<td width=\"37\">0.5<\/td>\n<td width=\"37\">0.5<\/td>\n<td width=\"37\">0.5<\/td>\n<td width=\"36\">0.5<\/td>\n<td colspan=\"2\" width=\"38\">0<\/td>\n<td width=\"37\">1.5<\/td>\n<td width=\"52\">0<\/td>\n<td width=\"52\">0.5<\/td>\n<td width=\"52\">1.5<\/td>\n<td width=\"52\">2.5<\/td>\n<td width=\"52\">0.5<\/td>\n<\/tr>\n<tr>\n<td width=\"84\"><em>Tournesol<\/em><\/td>\n<td width=\"37\">0<\/td>\n<td width=\"37\">1.5<\/td>\n<td width=\"37\">1.5<\/td>\n<td width=\"37\">2<\/td>\n<td width=\"36\">1<\/td>\n<td colspan=\"2\" width=\"38\">0<\/td>\n<td width=\"37\">0<\/td>\n<td width=\"52\">0<\/td>\n<td width=\"52\">0<\/td>\n<td width=\"52\">0<\/td>\n<td width=\"52\">2<\/td>\n<td width=\"52\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"84\"><em>Soja<\/em><\/td>\n<td width=\"37\">0<\/td>\n<td width=\"37\">1.5<\/td>\n<td width=\"37\">1.5<\/td>\n<td width=\"37\">1<\/td>\n<td width=\"36\">1.5<\/td>\n<td colspan=\"2\" width=\"38\">1.5<\/td>\n<td width=\"37\">2<\/td>\n<td width=\"52\">0.5<\/td>\n<td width=\"52\">0<\/td>\n<td width=\"52\">1<\/td>\n<td width=\"52\">0<\/td>\n<td width=\"52\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"84\"><em>Ma\u00efs semence<\/em><\/td>\n<td width=\"37\">0<\/td>\n<td width=\"37\">1<\/td>\n<td width=\"37\">1<\/td>\n<td width=\"37\">4.5<\/td>\n<td width=\"36\">3<\/td>\n<td colspan=\"2\" width=\"38\">2<\/td>\n<td width=\"37\">3.5<\/td>\n<td width=\"52\">2<\/td>\n<td width=\"52\">1<\/td>\n<td width=\"52\">0<\/td>\n<td width=\"52\">2<\/td>\n<td width=\"52\">0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table width=\"626\">\n<tbody>\n<tr>\n<td colspan=\"13\" width=\"626\"><strong>Besoin en main d\u2019\u0153uvre non qualifi\u00e9e par mois, en heures par hectare<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"180\"><strong>MOIS<\/strong><\/td>\n<td width=\"35\"><strong>M1<\/strong><\/td>\n<td width=\"35\"><strong>M2<\/strong><\/td>\n<td width=\"35\"><strong>M3<\/strong><\/td>\n<td width=\"35\"><strong>M4<\/strong><\/td>\n<td width=\"35\"><strong>M5<\/strong><\/td>\n<td width=\"35\"><strong>M6<\/strong><\/td>\n<td width=\"37\"><strong>M7<\/strong><\/td>\n<td width=\"38\"><strong>M8<\/strong><\/td>\n<td width=\"37\"><strong>M9<\/strong><\/td>\n<td width=\"42\"><strong>M10<\/strong><\/td>\n<td width=\"42\"><strong>M11<\/strong><\/td>\n<td width=\"42\"><strong>M12<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"180\"><em>Ma\u00efs semence<\/em><\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"37\">0<\/td>\n<td width=\"38\">120<\/td>\n<td width=\"37\">0<\/td>\n<td width=\"42\">0<\/td>\n<td width=\"42\">0<\/td>\n<td width=\"42\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"180\"><em>Betterave semence<\/em><\/td>\n<td width=\"35\">50<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"37\">5<\/td>\n<td width=\"38\">5<\/td>\n<td width=\"37\">5<\/td>\n<td width=\"42\">5<\/td>\n<td width=\"42\">0<\/td>\n<td width=\"42\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"180\"><em>Concombre semence<\/em><\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"37\">5<\/td>\n<td width=\"38\">5<\/td>\n<td width=\"37\">0<\/td>\n<td width=\"42\">100<\/td>\n<td width=\"42\">0<\/td>\n<td width=\"42\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"180\"><em>Carotte semence<\/em><\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"37\">5<\/td>\n<td width=\"38\">5<\/td>\n<td width=\"37\">0<\/td>\n<td width=\"42\">0<\/td>\n<td width=\"42\">5<\/td>\n<td width=\"42\">5<\/td>\n<\/tr>\n<tr>\n<td width=\"180\"><em>Oignon semence<\/em><\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"37\">120<\/td>\n<td width=\"38\">0<\/td>\n<td width=\"37\">80<\/td>\n<td width=\"42\">0<\/td>\n<td width=\"42\">0<\/td>\n<td width=\"42\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"180\"><em>Chou semence<\/em><\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"37\">100<\/td>\n<td width=\"38\">0<\/td>\n<td width=\"37\">100<\/td>\n<td width=\"42\">0<\/td>\n<td width=\"42\">0<\/td>\n<td width=\"42\">0<\/td>\n<\/tr>\n<tr>\n<td width=\"180\"><em>Persil semence<\/em><\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"35\">5<\/td>\n<td width=\"35\">0<\/td>\n<td width=\"37\">0<\/td>\n<td width=\"38\">0<\/td>\n<td width=\"37\">0<\/td>\n<td width=\"42\">0<\/td>\n<td width=\"42\">0<\/td>\n<td width=\"42\">0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>Le tableau ci-dessous reprend pour les dix derni\u00e8res ann\u00e9es les rendements en quintaux par hectare pour les cultures alimentaires et le produit brut en euros par hectare pour les cultures de semence. Les rendements sont variables en fonction des ann\u00e9es, et les produits bruts pour les cultures de semences encore plus.<\/em><\/p>\n<table width=\"440\">\n<tbody>\n<tr>\n<td colspan=\"11\" width=\"440\"><strong>Rendements en quintaux pour les c\u00e9r\u00e9ales et en euros pour les semences<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><strong>Etat de la nature<\/strong><\/td>\n<td width=\"40\"><strong>E1<\/strong><\/td>\n<td width=\"&quot;40\"><strong>E2<\/strong><\/td>\n<td width=\"40\"><strong>E3<\/strong><\/td>\n<td width=\"40\"><strong>E4<\/strong><\/td>\n<td width=\"40\"><strong>E5<\/strong><\/td>\n<td width=\"40\"><strong>E6<\/strong><\/td>\n<td width=\"40\"><strong>E7<\/strong><\/td>\n<td width=\"40\"><strong>E8<\/strong><\/td>\n<td width=\"40\"><strong>E9<\/strong><\/td>\n<td width=\"40\"><strong>E10<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><em>Bl\u00e9 dur<\/em><\/td>\n<td width=\"40\">68<\/td>\n<td width=\"40\">76.5<\/td>\n<td width=\"40\">73.1<\/td>\n<td width=\"40\">76.5<\/td>\n<td width=\"40\">74.8<\/td>\n<td width=\"40\">73.1<\/td>\n<td width=\"40\">71.4<\/td>\n<td width=\"40\">76.5<\/td>\n<td width=\"40\">74.8<\/td>\n<td width=\"40\">66.3<\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><em>Bl\u00e9 tendre<\/em><\/td>\n<td width=\"40\">59.3<\/td>\n<td width=\"40\">76.5<\/td>\n<td width=\"40\">73.1<\/td>\n<td width=\"40\">68<\/td>\n<td width=\"40\">74.8<\/td>\n<td width=\"40\">79.9<\/td>\n<td width=\"40\">74.8<\/td>\n<td width=\"40\">73.1<\/td>\n<td width=\"40\">69.7<\/td>\n<td width=\"40\">81.6<\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><em>Tourne.<\/em><\/td>\n<td width=\"40\">49.3<\/td>\n<td width=\"40\">47.6<\/td>\n<td width=\"40\">42.5<\/td>\n<td width=\"40\">45.9<\/td>\n<td width=\"40\">44.2<\/td>\n<td width=\"40\">49.3<\/td>\n<td width=\"40\">34<\/td>\n<td width=\"40\">42.5<\/td>\n<td width=\"40\">45.9<\/td>\n<td width=\"40\">30.6<\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><em>Soja<\/em><\/td>\n<td width=\"40\">47.6<\/td>\n<td width=\"40\">49.3<\/td>\n<td width=\"40\">45.9<\/td>\n<td width=\"40\">49.3<\/td>\n<td width=\"40\">47.6<\/td>\n<td width=\"40\">34<\/td>\n<td width=\"40\">45.9<\/td>\n<td width=\"40\">47.6<\/td>\n<td width=\"40\">44.2<\/td>\n<td width=\"40\">51<\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><em>Ma\u00efs semence<\/em><\/td>\n<td width=\"40\">6477<\/td>\n<td width=\"40\">7774<\/td>\n<td width=\"40\">6997<\/td>\n<td width=\"40\">389<\/td>\n<td width=\"40\">3888<\/td>\n<td width=\"40\">6477<\/td>\n<td width=\"40\">10367<\/td>\n<td width=\"40\">9122<\/td>\n<td width=\"40\">8293<\/td>\n<td width=\"40\">10185<\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><em>Bett. semence<\/em><\/td>\n<td width=\"40\">0<\/td>\n<td width=\"40\">9503<\/td>\n<td width=\"40\">8553<\/td>\n<td width=\"40\">6479<\/td>\n<td width=\"40\">11662<\/td>\n<td width=\"40\">3109<\/td>\n<td width=\"40\">9071<\/td>\n<td width=\"40\">6479<\/td>\n<td width=\"40\">13476<\/td>\n<td width=\"40\">17192<\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><em>Conc. semence<\/em><\/td>\n<td width=\"40\">726<\/td>\n<td width=\"40\">9433<\/td>\n<td width=\"40\">7257<\/td>\n<td width=\"40\">0<\/td>\n<td width=\"40\">13994<\/td>\n<td width=\"40\">8293<\/td>\n<td width=\"40\">7257<\/td>\n<td width=\"40\">8034<\/td>\n<td width=\"40\">11662<\/td>\n<td width=\"40\">5909<\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><em>Carotte semence<\/em><\/td>\n<td width=\"40\">0<\/td>\n<td width=\"40\">7257<\/td>\n<td width=\"40\">5806<\/td>\n<td width=\"40\">9848<\/td>\n<td width=\"40\">376<\/td>\n<td width=\"40\">9848<\/td>\n<td width=\"40\">8811<\/td>\n<td width=\"40\">6479<\/td>\n<td width=\"40\">6997<\/td>\n<td width=\"40\">2630<\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><em>Oignon semence<\/em><\/td>\n<td width=\"40\">13994<\/td>\n<td width=\"40\">10967<\/td>\n<td width=\"40\">9330<\/td>\n<td width=\"40\">11662<\/td>\n<td width=\"40\">14773<\/td>\n<td width=\"40\">11662<\/td>\n<td width=\"40\">0<\/td>\n<td width=\"40\">9071<\/td>\n<td width=\"40\">9071<\/td>\n<td width=\"40\">3369<\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><em>Chou semence<\/em><\/td>\n<td width=\"40\">7237<\/td>\n<td width=\"40\">15550<\/td>\n<td width=\"40\">11662<\/td>\n<td width=\"40\">16845<\/td>\n<td width=\"40\">22029<\/td>\n<td width=\"40\">13994<\/td>\n<td width=\"40\">0<\/td>\n<td width=\"40\">16845<\/td>\n<td width=\"40\">8293<\/td>\n<td width=\"40\">4146<\/td>\n<\/tr>\n<tr>\n<td width=\"40\"><em>Persil semence<\/em><\/td>\n<td width=\"40\">0<\/td>\n<td width=\"40\">7252<\/td>\n<td width=\"40\">5076<\/td>\n<td width=\"40\">6479<\/td>\n<td width=\"40\">8293<\/td>\n<td width=\"40\">5702<\/td>\n<td width=\"40\">3499<\/td>\n<td width=\"40\">5442<\/td>\n<td width=\"40\">3888<\/td>\n<td width=\"40\">5137<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>Les prix de vente sont\u00a0: 25\u20ac pour le bl\u00e9 dur, 14\u20ac pour le bl\u00e9 tendre, 35\u20ac pour le tournesol et 36\u20ac pour le soja.<\/em><\/p>\n<p><em>L\u2019objectif de l\u2019agricultrice est de maximiser son revenu.\u00a0\u00bb<\/em><\/p>\n<p><strong>Ajouter les contraintes n\u00e9cessaires au mod\u00e8le pour maximiser la marge brute. Ajoutez \u00e9galement une \u00e9quation pour calculer le revenu al\u00e9atoire pour chaque \u00e9tat de la nature et l\u2019\u00e9cart type. Voici la liste des \u00e9quations potentiellement utiles\u00a0:<\/strong><\/p>\n<p>objectif\u00a0\u00a0\u00a0 fonction objectif<br \/>\nrevenu\u00a0\u00a0\u00a0\u00a0\u00a0 revenu<br \/>\nterre\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 contrainte de terre<br \/>\ntravail(m)\u00a0 contrainte de travail qualifie<br \/>\nirrigation\u00a0 contrainte de disponibilit\u00e9s en terre irrigable<br \/>\nrevenual(E) \u00e9quation de calcul du revenu al\u00e9atoire<br \/>\necartypeR\u00a0\u00a0 \u00e9cart type du revenu<\/p>\n<p><strong>Si vous n\u2019avez pas r\u00e9ussi \u00e0 \u00e9crire le mod\u00e8le ou pour v\u00e9rifier vos \u00e9quations, comparez avec le mod\u00e8le suivant\u00a0: <a href=\"http:\/\/www.supagro.fr\/ModelEco\/modeles\/modelEco_lauragaisTargetMOTAD.zip\">modelEco_lauragaisTargetMOTAD.gms<\/a>.<\/strong><\/p>\n<p><strong><br \/>\n<a href=\"http:\/\/www.supagro.fr\/wordpress\/modeleco\/auto-formation\/sequence3\/cours-1-lagriculture-une-activite-risquee\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"http:\/\/www.supagro.fr\/wordpress\/modeleco\/files\/2016\/07\/retourAuSommaireDuCours.png\" alt=\"retourAuSommaireDuCours\" width=\"200\" height=\"54\" \/><\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dur\u00e9e : environ 30 minutes On veut introduire le risque sous forme \u00ab\u00a0target MOTAD\u00a0\u00bb. A partir du mod\u00e8le solution modelEco_lauragais1.gms ou de celui que vous avez \u00e9crit dans l\u2019activit\u00e9 20, ajoutez le risque sous forme \u00ab\u00a0target MOTAD\u00a0\u00bb. La d\u00e9viation moyenne <a class=\"more-link\" href=\"https:\/\/www.supagro.fr\/wordpress\/modeleco\/auto-formation\/sequence3\/cours-1-lagriculture-une-activite-risquee\/lecon-23-chance-constrained-model-et-target-motad\/activite-23-target-motad\/\">Continuer la lecture <span class=\"screen-reader-text\">  Activit\u00e9 24 : Mod\u00e8le \u00ab\u00a0Lauragais\u00a0\u00bb &#8211; Target MOTAD<\/span><span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":92,"featured_media":0,"parent":2145,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2763","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/2763","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/users\/92"}],"replies":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/comments?post=2763"}],"version-history":[{"count":7,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/2763\/revisions"}],"predecessor-version":[{"id":3588,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/2763\/revisions\/3588"}],"up":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/2145"}],"wp:attachment":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/media?parent=2763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}