{"id":1980,"date":"2016-11-24T10:26:16","date_gmt":"2016-11-24T09:26:16","guid":{"rendered":"http:\/\/www.supagro.fr\/wordpress\/modeleco\/?page_id=1980"},"modified":"2017-09-07T15:14:29","modified_gmt":"2017-09-07T13:14:29","slug":"activite-18-safety-first","status":"publish","type":"page","link":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/auto-formation\/sequence3\/cours-1-lagriculture-une-activite-risquee\/lecon-20-safety-first\/activite-18-safety-first\/","title":{"rendered":"Activit\u00e9 22 : Safety first"},"content":{"rendered":"
Dur\u00e9e : 20 minutes<\/span><\/h5>\n

 <\/p>\n

T\u00e9l\u00e9chargez le mod\u00e8le : safetyFirst_vide.gms<\/a>. Le mod\u00e8le est incomplet, il contient uniquement les donn\u00e9es. Vous devez ajouter les \u00e9quations sachant que l’agriculteur veut un revenu minimum de s\u00e9curit\u00e9 de 18000\u20ac.<\/strong><\/p>\n

Donn\u00e9es :<\/span><\/strong>
\n \u00ab\u00a0<\/em><\/strong>Soit une exploitation agricole qui peut pratiquer trois cultures, le bl\u00e9, le ma\u00efs et la tomate, et deux itin\u00e9raires techniques, extensif et intensif. On cherche \u00e0 d\u00e9terminer la superficie \u00e0 cultiver dans chaque ensemble production-technique, sachant que :<\/em>
\nL\u2019objectif de l\u2019agriculteur est la maximisation du revenu.<\/em><\/p>\n

Les besoins en eau sont de\u00a0: <\/em><\/p>\n\n\n\n\n\n\n\n
\u00a0<\/strong><\/td>\nBesoin en eau (m3<\/sup>)<\/strong><\/td>\n<\/tr>\n
Technique<\/strong><\/td>\nextensif<\/strong><\/td>\nintensif<\/strong><\/td>\n<\/tr>\n
Bl\u00e9<\/strong><\/td>\n0<\/td>\n2<\/td>\n<\/tr>\n
Mais<\/strong><\/td>\n4<\/td>\n6<\/td>\n<\/tr>\n
Tomate<\/strong><\/td>\n3<\/td>\n5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0Les besoins en travail sont de\u00a0:<\/em><\/p>\n\n\n\n\n\n\n\n\n\n\n\n
\u00a0<\/strong><\/td>\nBesoin en travail (h\/ha)<\/strong><\/td>\n<\/tr>\n
\u00a0<\/strong><\/td>\nTechnique<\/strong><\/td>\n\u00a0P\u00e9riode <\/strong><\/td>\n<\/tr>\n
<\/td>\n<\/td>\n Hiver<\/strong><\/td>\n Ete<\/strong><\/td>\n<\/tr>\n
Bl\u00e9<\/strong><\/td>\nextensif<\/strong><\/td>\n10<\/td>\n5<\/td>\n<\/tr>\n
\u00a0<\/strong><\/td>\nintensif<\/strong><\/td>\n15<\/td>\n10<\/td>\n<\/tr>\n
Mais<\/strong><\/td>\nextensif<\/strong><\/td>\n10<\/td>\n35<\/td>\n<\/tr>\n
\u00a0<\/strong><\/td>\nIntensif<\/strong><\/td>\n10<\/td>\n40<\/td>\n<\/tr>\n
Tomate<\/strong><\/td>\nextensif<\/strong><\/td>\n10<\/td>\n70<\/td>\n<\/tr>\n
\u00a0<\/strong><\/td>\nIntensif<\/strong><\/td>\n10<\/td>\n90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u00a0Le prix de vente est de 150\u20ac\/tonne pour le bl\u00e9, 150\u20ac\/tonne pour le ma\u00efs et 185\u20ac\/tonne pour la tomate.<\/em><\/p>\n

La surface de l\u2019exploitation est de 50 ha, l\u2019agriculteur dispose de 1000 heures de travail en \u00e9t\u00e9 et 1000 heures en hiver et dispose de 150 milliers de m3<\/sup> pour l\u2019irrigation.\u00a0<\/em><\/p>\n

L\u2019agriculteur a la possibilit\u00e9 d\u2019embaucher des salari\u00e9s \u00e0 10\u20ac de l\u2019heure, d\u2019acheter de l\u2019eau \u00e0 un prix de 50\u20ac par m3<\/sup> et de louer la terre \u00e0 500\u20ac\/ha<\/strong>. \u00bb<\/em><\/p>\n

 <\/p>\n


\nPuis v\u00e9rifier la solution : \"solution\"<\/a><\/strong><\/p>\n

\"retourAuSommaireDuCours\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Dur\u00e9e : 20 minutes   T\u00e9l\u00e9chargez le mod\u00e8le : safetyFirst_vide.gms. Le mod\u00e8le est incomplet, il contient uniquement les donn\u00e9es. Vous devez ajouter les \u00e9quations sachant que l’agriculteur veut un revenu minimum de s\u00e9curit\u00e9 de 18000\u20ac. Donn\u00e9es : \u00ab\u00a0Soit une exploitation Continue reading Activit\u00e9 22 : Safety first<\/span>→<\/span><\/a><\/p>\n","protected":false},"author":92,"featured_media":0,"parent":2150,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1980","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/1980","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/users\/92"}],"replies":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/comments?post=1980"}],"version-history":[{"count":10,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/1980\/revisions"}],"predecessor-version":[{"id":2992,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/1980\/revisions\/2992"}],"up":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/2150"}],"wp:attachment":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/media?parent=1980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}