The test data had been participated in the whole classification process. The accuracy of interpreted information on rice planting area was more than 90%.
分别利用水稻抽穗期归一化植被指数和比值植被指数反演了叶面积指数和生物量数据信息。
The optimum temporal for rice estimation using remote sensing data included the optimum temporal for rice planting area estimation and the optimum temporal for rice yield estimation.
水稻遥感估产最佳时相选择应包括水稻种植面积估算最佳时相和水稻产量预报最佳时相两部分。
Rice is one of main food crops in China, its planting area accounts for 30% in all food crops and its yield accounts for 40% in total food yield.
水稻是我国的主要粮食作物之一，其播种面积占全部粮食作物面积的30%，产量则占粮食总产量的40%。
The planting area and yield of Maize is only inferior to rice in China.
我国玉米种植面积和产量仅次于水稻。
Rice is one of important cereal crops in China, which accounts for 1/2 of the total production in China and 1/5 of the world planting area.
水稻是我国的主要粮食作物之一，约占全国粮食总产量的1／2，占世界种植面积的1／5。
Songnen Plain is located in higher latitude area, in which the planting system is bringing in one harvest a year, and its main crops are wheat, com, soybean, and rice.
松嫩平原纬度较高，种植制度多为一年一熟制，主要作物为小麦、玉米、大豆和水稻。
According to Stat. : The planting area of rice in our country occupy 28.9% of it in the world . The overall output occupy primacy in all foodstuff.
据统计，我国水稻播种面积约占全球粮食播种面积的28.9％，总产量居所有粮食作物的首位。
But I know loach very well. It is common in rice-planting area.
不过我很熟悉泥鳅，它在适宜种植水稻的水乡是非常常见的。
An important method of increasing rice yield per unit area is to improve the rice-planting mechanization lever and use advanced planting technology.
提高水稻单产的一项重要措施是提高水稻种植机械化水平，即采用先进的种植技术。
The result of simulation shows that rice yield will decrease 9%, and the main planting area will move to Heilong River Basin.
模拟结果显示，未来水稻将减产9%，主栽区将北移至黑龙江流域；
The result of simulation shows that rice yield will decrease 9%, and the main planting area will move to Heilong River Basin.
模拟结果显示，未来水稻将减产9%，主栽区将北移至黑龙江流域；
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