Chapter 3 Cropping system in China (1)种植方式 撂荒制( shifting cultivation) 全年休闲 年一熟( rotation, continuous) 二年三熟 年三熟 2021/2/22 Assessment of Climate/Change Impacts 6of76
Chapter 3 2021/2/22 Assessment of Climate/Change Impacts 6 of 76 Cropping system in China （1）种植方式 撂荒制（shifting cultivation) 全年休闲 一年一熟（rotation, continuous） 二年三熟 一年三熟
Chapter 3 Cropping system in China (2)作物组成与布局 粮食作物 经济作物 其他作物 Homework 3: crop composition and distribution in China during 1999-2000 2021/2/22 Assessment of Climate/Change Impacts 7of76
Chapter 3 2021/2/22 Assessment of Climate/Change Impacts 7 of 76 Cropping system in China （2）作物组成与布局 粮食作物 经济作物 其他作物 Homework 3: crop composition and distribution in China during 1999-2000
Chapter 3 Cropping system in China (3)种植制度区划 2021/2/22 Assessment of Climate/Change Impacts 8of76
Chapter 3 2021/2/22 Assessment of Climate/Change Impacts 8 of 76 Cropping system in China （3）种植制度区划
Chapter 3 climate change and its impacts on agriculture Focus on: food security depend on how to use climate resources variations of productivity land resources basic farmland 2021/2/22 Assessment of Climate/Change Impacts 9of76
Chapter 3 2021/2/22 Assessment of Climate/Change Impacts 9 of 76 climate change and its impacts on agriculture Focus on: food security depend on how to use • climate resources variations of productivity • land resources basic farmland
Chapter 3 3.2 Inventory of climate resources 3. 2.1 Radiation and photosynthesis 3.2.2 Heat and temperature 3.2.3 Precipitation and water requirement 3.2.4 Climate resources 2021/2/22 Assessment of Climate/Change Impacts 10of76
Chapter 3 2021/2/22 Assessment of Climate/Change Impacts 10 of 76 3.2 Inventory of climate resources 3.2.1 Radiation and photosynthesis 3.2.2 Heat and temperature 3.2.3 Precipitation and water requirement 3.2.4 Climate resources