查询词典 multiple cropping

Due to the differences in natural environment, cultivated land quality and multiple cropping index, there Were differences in cultivated land output. The acreage standard determination of cultivated land quality became one of the key links for regional compensation mechanism of cultivated land preservation.

由于各区域的自然环境、耕地质量以及复种指数的不同，不同区域耕地产出存在差异，耕地质量面积标准的确定成为耕地保护区域补偿机制运行的关键环节之一。

In the South of Hunan with cigarette-rice multiple cropping, the pH is medium and high, the organic matter is high, but the humus content is low in the organic matter; N and Zn are abundant, P is very scarce, about 60% of soils is lack of B seriously.

以年内烟－稻复种连作为主的湘南烟区，土壤pH偏高，有机质含量高，但有机质中腐殖质的比例较低；土壤中的氮和锌比较丰富，钾很缺乏，有近60％的土壤严重缺硼。

Maize ; soybean ; multiple cropping ; increasing yield effect

玉米；大豆；多熟种植；增产效应

The building of the knowledge base can transfer the expertise and the domain experts' experiences on multiple cropping to the agricultural policy makers in an acceptable fashion, thus improving the automation and scientism of agricultural policy making.

该专家系统知识库的建立能将有关多熟种植领域的专门知识和领域专家的经验以可接受的方式传递给农业决策者，从而提高农业决策的自动化和科学化。

Second, the threshold for each feature was brought up by using CART Algorithm. Finally, the multiple cropping index of 15 provinces of Northern China were extracted in 2005. Then, the result was compared with that of former researches, and it shows that DT method is more efficient.

最终，采用MODIS（moderate-resolution imaging spectroradiometer）/EVI数据，提取了2005年中国北方15个省市区的耕地复种指数，与之前的研究结果进行比较验证发现该方法具有较高的提取效率和精度。

Multiple Cropping Index (ratio of sown area and cropland area) is fluctuating year by year due to the changing natural conditions and rural social status, so, getting the change information timely is undoubtedly very important to assess grain yield change and its reasons, as well as to make scientific decision for agricultural development.

复种指数受自然条件和农村社会状况的影响处于不断变化之中，及时获取其变化信息对估计粮食产量变化及其原因和农业发展科学决策有非常重要的意义。

After the initial inoculation of measles vaccine and the effects of multiple cropping well, but with age, measles IgG antibody level decreased gradually, to deal with high-grade primary school (grades 4 to 6), junior high, high school students to carry out measles vaccination and immunization do good response, so the prevention and control of epidemics and outbreaks of measles.

经过麻疹疫苗初次接种与复种后效果良好，但随着年龄的增长，麻疹IgG抗体水平逐渐下降，应对小学高年级（4~6年级）、初中生、高中生进行麻疹疫苗强化免疫以及做好应急工作，从而预防和控制麻疹的流行和暴发。

This study proposed a new method for extracting multiple cropping index on pixel level with multi-temporal moderate-resolution imaging spectroradiometer enhanced vegetation index data based on the crop phenology and decision tree. The method could be divided into two steps.

该文通过深入分析农作物的农时历和耕地的时间序列植被指数曲线的对应关系，提取了反映作物种植模式的特征时相，并以特征时相的EVI值作为特征参量，构建了提取耕地复种指数的决策树方法。

And 43. 0%～75. 0% through added chicken manure to soil and the multiple cropping that transplant hyperaccumulators after them be cropped at their flowering stage.

3施加鸡粪后植物对Cd的提取率提高了35.7％～97.0％；采用开花期收获超积累植物的复种方式，植物提取率可以提高到1.43倍和1.75倍。

Faced with this less people and more development problems, Shuyang around the "efficiency of agriculture, farmers income," the theme, and vigorously develop modern high-efficiency agriculture, adhere to the "drive to highlight key points, in order to focus on promoting the overall situation", and identify advantages and characteristics to enlarge , and has formed flowers, trees, edible fungi, vegetables, rice and ecological quality of water birds, such as high-efficiency agriculture,"the six plates," a new pattern of production, including planting area of 36 mu, mushroom growing area more than 100 million square meters, vegetables multiple cropping area of 69 mu, live stumpage reserves amounted to 4.24 million cubic meters, the development of timber processing enterprises in 2324, in the HDF annual processing capacity of 1.6 million cubic meters, ecological waterfowl slaughter in the volume of more than 2200 million feathers.

面对这一人多地少的发展难题，沭阳围绕"农业增效、农民增收"这一主题，大力发展现代高效农业，坚持"以亮点带动重点、以重点推动全局"，找准优势，放大特色，已形成花卉、林木、食用菌、蔬菜、优质稻米和生态水禽等高效农业"六大板块"的生产新格局，其中花木种植面积36万亩，食用菌种植面积1亿多平方米，蔬菜复种面积69万亩，活立木蓄积量达424万立方米，发展木材加工企业2324家，中高密度板年加工能力达160万立方米，生态水禽年出栏量2200多万羽。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。