La agricultura de Costa Rica: situación al 2010, su evolución y prospectiva.
mag(2011)
关键词
agricultural economics,soil conservation,insurance,simulation models,animal health,exportation,water resources,food safety,government,innovation,poverty,economic indicators,decentralization,intensive farming,crop yield,communication,marketing,finance,socioeconomic development,rural areas,sustainability,higher education,value added,technological changes,social welfare,seed,subsistence farming,community development,trade liberalization,biological control,deforestation,soil management,pest control,plant breeding,plant protection,subsidies,history,social change,international trade,sustainable development,environmental impact,commerce,adult education,common law,planning,environment,environmental protection,agriculture,technology,decentralisation,economic environment,financing,policies,production,biotechnology,food production,economic development,latin america,crops,food security,economic policies,supply,varieties,migration,private sector,social participation,gross national product,productivity,living standards,foreign trade
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要