31.答案:C.细节理解题.根据第一段America is the world's largest food exporter (出口商).But the worst drought (干旱) in half a century is hitting corn and wheat harvests.的描述可知,美国粮食受到旱灾的严重影响.结合选项可知,答案是C.32.答案:A.细节理解题.根据第三段Ukraine was known as the br...
America is the world's largest food exporter. But the worst drought in half a century is hitting corn and wheat harvests. The drought across the central United States adds to concerns about world food supplies and prices in the coming years. Experts say by 2050, the world will have to pro...
IT IS TOUGH TO GET PROFIT OUT OF AGRICULTURE: A DATA MINING ANALYSIS IN THENI DISTRICT Even though it is one of the largest producers of agricultural products and, in fact, the second largest producer of fruits and vegetables in the world, there is a huge number of formers commit suicides...
SSB export is one of India's largest rice and maize producers. Well-equipped with modern machines to provide quality products to customers
By twenty-fifty, the world will have to produce at least sixty percent more food to feed more and more people. China, a major food importer (进口商), is looking to producers around the world to make sure it can get enough food in the future. ...
the site of the gunfight at the O.K. Corral, which featured folk heroes Wyatt Earp and Doc Holliday. Before Arizona became a state in 1912, the discovery of silver, gold, and copper brought a mining boom. Even today, the county is known as one of the world's biggestproducers of ...
Stochastic dominance analysis of returns to stocker grazing on conservation tillage winter wheat forage in Arkansas Grazing cattle on winter wheat is a common income-generating practice in the Southern Great Plains, but few Arkansas cattle producers utilize this practice... Watkins,KB,Hignight,... ...
By twenty-fifty,the world will have to produce at least sixty percent more food to feed more and more people.China,a major food importer (进口商),is looking to producers around the world to make sure it can get enough food in the future....
Competitively priced wheat from Russia and other Black Sea producers continues to put pressure on high-quality suppliers such as Canada.
Information about soil nutrient carryover dynamics can assist cotton producers with the optimal management of potassium (K) fertilizer. Optimal K managemen... David C. Harper a,Dayton M. Lambert b,James A. Larson c,... - 《Agricultural Systems》 被引量: 14发表: 2012年 Effect of Wheat Herb...