1) agricultural drought extent
农业干旱程度
1.
Study on probability distribution of agricultural drought extent;
农业干旱程度概率分布的研究
2) agricultural drought
农业干旱
1.
Zoning study for the frangibility of agricultural drought in Hu nan Province;
湖南农业干旱脆弱性分区研究
2.
Overview of meteorological and agricultural drought indices;
气象、农业干旱指标综述
3.
The studies on precipitation and agricultural drought in Siping City;
四平市降水量与农业干旱研究
3) drought degree
干旱程度
1.
In order to study the effect of N levels on growth of summer maize under different drought degrees,a field experiment was carried out under rainproof sheds.
在田间小区遮雨条件下,采用有交互作用的双因素试验方法,设置了连续干旱03~2 d 7个水分处理及N 0、1402、80 kg/hm23个氮肥处理,研究施氮水平对不同干旱程度夏玉米生长的影响。
2.
The drought experience of soil and crop could be described perfectly by combining drought intensity(I) with drought degree(D).
干旱强度和干旱程度结合才能完整地描述土壤作物干旱状况,土壤干旱强度I是土壤剖面失水速率的函数,干旱影响逐渐累积并增强就构成干旱程度D,据此提出了包含I和D二个指数的土层干旱指标表达模式。
3.
In this paper, based on the identification of the drought phenomenon, an evaluating model of the drought degree is developed by using the technique of the artificial neural network.
在干旱识别的基础上 ,采用人工神经网络技术 ,提出了一个干旱程度的评估模型 ,并经海河流域的实际应用表明 ,该方法简单易行 ,可为干旱研究提供一条新的途
4) agricultural dry areas
农业干旱区
6) agriculture drought index
农业干旱指标
1.
Based on analyzing the components of meteorology drought indexes,agriculture drought indexes and dynamic monitoring indexes which are used in drought monitoring and service,this paper discussed the principle and mechanism of these indexes and the application effects in different areas.
分析了国内目前干旱监测业务中使用的气象干旱指标、农业干旱指标和逐日动态干旱指标的构成要素,讨论了各指标揭示的干旱机理及其在各地使用的效果,并提出了干旱指标的研究正朝着多因子综合、能够用于动态监测并与地理信息系统结合的方向发展。
补充资料：蒙新干旱地区农业气候资源利用(见农业气候资源利用)
蒙新干旱地区农业气候资源利用(见农业气候资源利用)
誉蒸攀耀膝斩罗黔阳哑
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条