查询词典 crop index

High yield ; Crop ; Normalized leaf area index ; Simulation model

高产；作物；相对叶面积指数；模型

Compared with the soil water content,it will be much more scientific to use the soil water potential as the lowest limit index of crop non-sufficient irrigation and be easier to be applied and extended.

农田非充分灌溉中，习惯将土壤含水率作为控制灌溉的指标，但实质上，用土壤含水率作为控制指标是有缺陷的。

With the development of modern agriculture, the popularization of new cultivars, the improvement of cultivation measures, as well as with the increase of the cropping index, crop yield is increasing.

随着现代农业的发展，作物良种和高产栽培技术措施的推广和普及，使农作物产量逐渐增加，随农作物收获带走的硼亦随之增多，造成植物缺硼现象时有发生。

In this paper, effects of surplus water on crop water deficit index were considered, and the calculating method of CWDI was modified. The frequencies of different classes of drought were calculated and their temporal and spatial distribution characteristics were analyzed by the modified method of CWDI subsequently.

考虑盈余降水对水分亏缺指数的影响，修正了的水分亏缺指数计算方法，并依据玉米的水分亏缺指数，分析了季节性干旱发生频率的时空特征。

Crop drought index ; wheat in dryland ; drought monitoring and prediction ; service system

作物旱情指标；旱作小麦农田；干旱监测预警；服务系统

The statistical method that waits for economic gross index to crop of domestic capacitor industry, sale, profit made new exploration.

对国内电容器行业产量、销售额、利润等经济总量指标的统计方法作了新的探索。

Crop ; harvest index ; heredity characteristics ; limiting factor

作物；收获指数；遗传特性；影响因素

The case study results show that the optimal greenhouse temperature set-point for cucumber growth would be 19C for daytime and 15C for nightime and the optimal leaf area index of cucumber crop would be 3 under winter climate conditions in Shanghai.

这两方面的拓展研究为本项目研究的温室能耗预测系统和作物生长模型进一步直接应用于温室作物环境的优化控制奠定了良好的基础。

We used GIS got sum planting area, used GVG got crop planting index.

在本次研究中，我们利用3S技术，选择合适的TM遥感数字图像，建立了目视解译标志，在高性能计算机平台上经人机交互解译，应用GIS软件提取耕地总面积，由GVG软件获得作物种植面积指数，应用耕地总面积种植指数完成各个不同作物的种植面积的提取，取得了满意的结果。

Based on the monthly climate records of Fugong, Lujiangba, and mengding stations in the period from 1960 to 2000, as well as crop pattern and cultivate data in 2000, Mann-Kendall test and the Rescaled Range Analysis R/S method was adopted, to research the turning changes trend of dry and wet index and agriculture irrigation quota in Nujiang dry-arid valley in recent 40 years.

利用福贡、潞江坝、孟定等3个站1960～2000年逐月气象数据及作物种植、农业耕作等资料，采用Mann-Kendall法和R/S分析法研究了怒江干旱河谷区近40年来的干湿变化及农业灌溉定额的转折变化趋势。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。