气候变化对我国农作物宜播种面积的影响.pdf
.nullnonmarkingreturn “.null10.null.null2.null2014.null3.null PROGRESSUS INQUISITIONES DE MUTATIONE CLIMATISVol. 10 No. 2March 2014doi10.3969/j.issn.1673-1719.2014.02.005.nullnonmarkingreturn , .nullnonmarkingreturn , .nullnonmarkingreturn . .nullnonmarkingreturn “ single croppingarea cut a little bit, while still remained the largest share of about 50; double cropping area increased the most, andthe area of triple cropping followed. The combination of .null10.nullwith.null0.nullaccumulated temperatures is availableto show a slow increase in China potential sown area, with high similarity to actual sown area. On the contrary, otherfactors as a whole restrain the expansion of sown area slowly.Key words climate change; accumulated temperature; cropping system; crop; potential sown area; actual sown areaFu Yuqing, Chou Jieming, Dong Wenjie