农作物

Changed is a big agricultural city with a cultivated area of 7.01million mu and annal planting area of 15 million mu . The main crops of Changde include: rice, cotton, rape, fruits, vegetables, corn, tobacco, tea, and etc.

项目描述：常德是一个农业大市，有耕地面积701万亩，常年农作物播种面积1500万亩，主要农作物有水稻、棉花、油菜、水果、蔬菜、玉米、烟草、茶叶等。

In order to hold the best time for irrigating agriculture crop and reducing the burden of peasants, and improve the autoimmunization of irrigating agriculture crop.

为了把握农作物的最佳喷灌时间，减轻农民劳动负担，提高农作物喷灌的自动化水平，设计了钟控定时喷灌器。

After completly analyzing the benefits of grain alcohol as fuel, it is concluded that most grain except broomcorn has a comparatively lower conversion rate of alcohol.

文章就农作物乙醇作为燃料的综合效益进行了全面分析，得出了除甜高粱外多数农作物作为燃料乙醇原料具有较低的能效转换率之结论。

Opponents of genetically engineered craps crops say they worry about possible dangerous dangers to health and environment.

基因工程农作物的反对者说它们担心这种农作物对人类健康和自然环境的危害。

Develop renewable energies There are nearly 3 million t stalks produced every year in rural area in Shanghai. Besides the amount returned to crops and mixed with dejecta to adjust the carbon nitrogen ratio of organic fertilizers, the number used as energy is a little.

Policy Recommendations 上海农村地区每年产生农作物秸秆约300万吨，除部分还田和与畜禽粪便掺混调节有机肥的碳氮比外，作为能源利用的量较少，因此农作物秸秆的综合利用应成为本市可再生能源的重要组成部分之一。

For example of the Shiyang River Basin along the Hexi Corrider,in Gansu province,made the imitial research of the major crop water production function and irrigation schedule optimal model,the results are following: 1Based on the related experimental datum gathered,drawing the relationship curve of several major crop yield and evapotranspiration,such as spring wheat,spring wheat-corn strip field,seed melon,sweet melon,cotton and flax and so on. The result shows these there:linearity and non-linear between crop yield and evapotranspiration.

本研究以甘肃省河西走廊石羊河流域为例，对其主要农作物的水分生产函数及灌溉制度优化模型作了初步研究，取得了以下成果： 1 根据收集的有关试验资料，绘制了春小麦、春小麦-玉米带田、籽瓜、白兰瓜、棉花和亚麻等几种主要农作物产量与耗水量的关系曲线，结果表明，产量与耗水量之间一般存在着线性与非线性的关系。

"It's not just about monoculture of farms, where one farm grows only one crop, it's also monoculture within those crops and within fields," he said.

他说："这不仅仅是农庄种植同质化，即一个农场种植只种植一种农作物，这也是农作物和地区性的种植同质化。"

The journal publishes original papers and reviews covering all scientific aspects of modern plant protection, including phytopathological virology, bacteriology, mycology, herbal studies, applied nematology and entomology as well as strategies and tactics of protecting crop plants and stocks of crop products against diseases.

杂志刊载原始论文和评论，内容覆盖当前植物保护的所有科学方面，包括植物病理病毒学，细菌学，真菌学，草药研究，应用线虫学和昆虫学，以及预防农作物和储存农作物的染病的方法。

Based on the sample space of farming area measurement method combining the advantages of remote sensing and sampling theory, spatial sample method has been widely applied for crop planting area.

基于遥感与抽样的农作物种植面积测量方法结合了遥感和抽样理论的优势，已经成为农作物种植面积测量中有着广泛应用前景的测量方法。

Tobacco mosaic virus, one of the primary plant viruses made severe menace to the yield and quality of crops.

其中烟草花叶病毒是危害农作物的主要病毒之一，它危害范围广，对农作物的产量和品质影响极大。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。