The accuracy assessment results by match with sample plots of two years showed that it is feasible to use HJ-CCD image to monitor the change of winter wheat area in Henan province.
结合两年冬小麦地面样方进行精度检验表明，利用HJ - CCD影像来进行河南省冬小麦种植面积变化全覆盖监测是可行的。
Using TM data and image process software ENVI3.2, the winter wheat area and distribution information were obtained by methods of Spectral Angle Mapper and man machine interactive interpretation etc.
应用陆地卫星TM资料和遥感图像处理ENVI3.2软件，以监督分类波谱角法、人机交互等方法提取冬小麦面积及分布信息。
Dividing duplicated areas reasonably and re processing the remote sensing data are important ways for improving credit limit of regression model between winter wheat area (or yield) and Green Value.
遥感数据再处理以及合理划分试验同步区是提高作物面积（产量）与绿度值回归模型信度的重要途径。
America's winter wheat plantings are up 4% and the spring-sown area is likely to rise more.
美国冬小麦的种植增长了4%，春季耕种面积很可能会增加更多。
In the model, the leaf area index (LAI), crop coefficients, and root penetration and distribution were simulated for the winter wheat and summer corn double cropping system.
模型对冬小麦—夏玉米轮作体系作物叶面积指数、作物系数、根系生长与分布进行了模拟。
In the paper, Beijing winter wheat planting area was extracted by means of MODIS based on the temporal and spectrum information.
论文基于时相和波谱信息，利用MODIS数据监测了北京冬小麦的种植面积。
Taking Guangrao county, Shandong Province as the study area, winter wheat yield estimation techniques were explored based on high and moderate resolution remote sensing data at county level.
该文以山东省广饶县为研究区，探讨基于中高分辨率卫星遥感数据的县域冬小麦估产技术。
So based on agricultural climatic theory of similitude, we can effect the plan of planting winter wheat in Liaoning's part area in the center of Shenyang.
由此，以农业气候相似论为依据，可以实现以沈阳为中心的辽宁省部分地区冬麦北移种植的构想。
Sensitive parameters of winter wheat yield simulation in EPIC model were analyzed by global sensitivity analysis in Hengshui experimental area.
该研究以河北衡水冬小麦试验区为研究区，使用全局敏感性分析方法分析EPIC模型在冬小麦产量模拟中的敏感参数。
The study opens up a new area for applying grow regulator to winter wheat in dryland.
该项研究为旱地冬小麦应用生长调节剂开辟了新的领域。
The winter wheat and the summer corn are the Guanzhong area most main grain crops.
冬小麦和夏玉米是关中地区最主要的粮食作物。
Winter wheat is an important food crop in Weibei area, with its production and quality are of great significance to the stability and food supply-demand situation in Shaanxi province.
冬小麦是陕西渭北地区重要的粮食作物，其产量高低、品质优劣，对稳定该区乃至陕西粮食供需形势具有重大意义。
The affected area is primarily in central and eastern China, covering the country's breadbasket where much of the winter wheat crop is raised.
此次受旱灾影响的主要是中国中、东部地区，这里是中国的主要产粮区，也是冬小麦的主产区。
The production effects and action mechanism of applied EM biological-organic fertilizer to winter-wheat and summer-maize under the typical cropping systems of the Huabei area in china were analyzed.
本实验是在十年研究的基础上，在华北地区小麦—玉米典型耕作制度下，对土壤长期施用EM生物有机肥，研究其对冬小麦和夏玉米的生产效果与作用机理。
The production effects and action mechanism of applied EM biological-organic fertilizer to winter-wheat and summer-maize under the typical cropping systems of the Huabei area in china were analyzed.
本实验是在十年研究的基础上，在华北地区小麦—玉米典型耕作制度下，对土壤长期施用EM生物有机肥，研究其对冬小麦和夏玉米的生产效果与作用机理。
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