第一章水稻 W/AE Rice
第一节概述 水稻生产的重要意义 1.水稻是主要的粮食作物 2.稻米的营养价值高 3.稻谷加工后的副产品用途广 4.水稻是高产作物 5.水稻适应多种生态环境
多彩的稻米
不同类型水稻适应多种生态环境 于十 gated lowland Rainfed lowland Floating 45% 30% 1%)(4% Figure 7. 1 The world's rice lands classified by water regime and predominant rice types. Figures in parentheses are the percent of the worlds rice-growing area that grows that type of rice culture
南亚和东南亚不同类型水稻种植面积与产量 CROP AREA PRODUCTION irrigated 13% Single crop Double irrigat 10g 5 rainfed ond Floating ri Upland Figure 7.2 Estimate of the percentage of rice crop area and production by specified environmental complex in South and Southeast Asia, mid-1970s( Adapted from Barker and Herdt 1979)