一路 BBS

标题: Yield Comparison of US, China Agriculture [打印本页]

作者: choi 时间: 4-19-2011 10:38
标题: Yield Comparison of US, China Agriculture
本文通过一路BBS站telnet客户端发布

China Crops in Shortest Supply as Vanishing Farms Spur Rising Food Futures. Bloomberg, Apr 19, 2011
http://www.bloomberg.com/news/2011-04-18/china-crops-in-short-supply-as-fewer-farms-spur-food-futures.html
("Scope for raising yields my be limited as wheat farmers in China are already 51 percent more productive than their American counterparts per land area, according to data from the Department of Agriculture in Washington")

My comment: What is unsual--I will not say it is new--is China's higher yields of wheat. Yield is defined as "metric tons per hectare."

World Agricultural Production (WAP). Foreign Agricultural Service (FAS), US Department of Agriculture (USDA), July 2010 (Circular Series: WAP 07-10) .
http://www.fas.usda.gov/wap/circular/2010/10-07/productionfull07-10.pdf

WAP 07-10 does not include Taiwan, and mentions Japan once (for rice).

yield (2008/09)...US........... China......UK.............. Egypt .......Italy..............Japan......Australia
wheat .................3.02...........4.76.........8.28(top).,,,,6.51
corn.....................9.66...........5.56.................................................9.80(top)
barley..................3.42...........3.56
oats.....................2.28...........1.10
rye.......................1.86............n/a
sorghum..............4.08..........3.75
rice.......................7.68...........6.56.............................10.08(top)....................6.78
soybean..............2.67...........1.79.................................................3.20(top)
cottonseed.........1.27...........2.38
peanut.................3.84(top)....3.36
sunflowerseed....1.60...........1.86
rapeseed.............1.64...........1.84
cotton...................911............1,321...............................................................................1,921(top)

"The report uses information from * * * offcial statistics of foreign government * * *" page 7

China Agricultural and Economic Data. Economic Research Service (ERS), USDA.
http://www.ers.usda.gov/data/china/
("For background on China statistics issues, see:
•China's Statistics: Are They Reliable?in China's Food and Agriculture: Issues for the 21st Century, April 2002)
, whose URL is
http://www.ers.usda.gov/publications/aib775/aib775r.pdf

【在 oxhorn (^_^) 的大作中提到: 】
: 老家的姐说他们河滩上的地要收去建公园了* * *
--

欢迎光临一路 BBS (http://www.yilubbs.com/)