在日趋严重的农业问题面前珞勤近十多年来，发展中国家面临日趋严重的农业问题，例如人口急剧膨胀，土地大量减少，土壤沙漠化、盐碱化，水利资源贫乏，病虫害蔓延，森林砍伐严重等等。面对这些问题许多发展中国家采取了多种措施。１、调鳖农业政策，加强对农业的投入和指... In the past decade or so, developing countries have been facing increasing agricultural problems such as a sharp population expansion, a substantial reduction in land use, soil desertification, salinization, poor water resources, the spread of pests and diseases and deforestation Serious and so on. Many developing countries have taken various measures in response to these problems. 1, turtle agriculture policy, strengthen the input to agriculture and refers to ...