Our objectives were to test the sensitivity of carbon exchange to this seasonal drought and discuss the influence of seasonal drought on carbon assimilation.
将该模型应用在亚热带常绿针叶林,对其生态系统过程进行了模拟,以深入探讨季节性干旱对生态系统过程的影响。
Seasonal drought effects on the early maturity maize variety is lowest among the early,middle and late maturity maize varieties;and that for the middle matu.
试验研究了我国南方地区夏、秋季节性干旱条件下春玉米主要农艺性状的变化,结果表明,夏、秋季节性干旱使玉米线性灌浆期、叶面积稳定期及生育期缩短,秃顶增加,穗粒数减少,千粒重降低,产量下降,其中对晚熟品种影响较大,中熟品种次之,早熟品种较小,且不同品种减产幅度不同。
upper-intercropping fir,lower-intercropping white clover and straw mulching) on seasonal droughty in tea plantation were studied through continual 4 years large-field contrast experiments from 2001 .
在采集湖南省长沙县1960~2001年气象资料的基础上,探讨了我国亚热带红壤丘陵茶园夏季高温干旱和秋季持续干旱的发生规律,并以常规管理茶园为对照,通过2001~2004年连续4年大田对比试验,分析了杉树高层间作、白三叶草低层间种和稻草覆盖3种典型生物措施对茶园季节性干旱的防御效果,结果发现,3种生物措施明显减少了茶园全年0~20 cm土层土壤含水量≤15%,≤12%,≤10%的出现频率,在夏季高温干旱和秋季持续干旱时期均提高了茶园土壤含水量,有效地延缓和缩短了干旱时间,缓解了旱情,显著增加了夏秋茶产量,改善了夏秋茶品质。
Ecological role of weeds conserved in orchard in red soil hilly area during hot-dry season;
高温干旱季节红壤丘陵果园杂草保持的生态作用
According to the every 10-day routine meteorological data and the related physical parametersof soil from 17 stations in the red-yellow soil zone south of Yangtze River in period from 1051 to1988, we simulated a data base,calculated the soil moisture and analysed the characteristics of theseasonal soil drought about these stntions.
根据江南红黄壤丘陵区１７个站点１９５１～１９８８年逐旬气象资料以及相应地区的土壤物理参数，模拟出各站点土壤层的土壤湿度数据库，并分析土壤季节性干旱规律。
Water Transport through Interface between Land and Atmosphere in Dry Season on Red Soil Slopes;
红壤坡地干旱季节地表/大气界面水分传输
In times of drought, the members of the tribe would consult the medicine man in the belief he could make it rain.
在干旱季节，那些部落的人们总是请来巫师，相信他会使老天赐雨。
To prevent these difficulties, a dam may be built across the river. This will store water for dry seasons, and in wet seasons it will prevent the flooding of the land.
为了克服这些困难，可以建立水坝储水以备干旱季节使用。 雨季时还可以用来防涝。
During the dry season, the shallow lakes are reduced to stretches of baked mud.
在干旱的季节里 浅水的湖都变成了干旱的泥地
The drought periods under these conditions tend to be more injurious to the trees.
旱季干旱伤害果树较大。
In the dry season, the animals tend to concentrate in the areas where there is water.
动物在干旱的季节里常常聚集在有水的地方。
Afforestation Achievements of Prunus armeniaca in Different Seasons in Arid Area
干旱地区山杏不同季节造林成果调查分析
Seasonal Physiological and Biochemical Response of Haloxylon Bunge to Atmosphere Drought;
梭梭属植物对大气干旱的季节性生理生化响应
Regionalization of Climatic Dominant Region of Maize in Seasonal Drought Areas of Northeast Sichuan
川东北季节性干旱区玉米的气候优势分区
Peru- Verano- which means summer, or dry season- possibly in association with the Pleiades ritual at the summer solstice during the dry season.
秘鲁-范拉诺旱期-意思是夏季或干燥季节-可能跟在干燥季节夏至昴宿星仪式联系在一起。
Comprehensive Effects and Benefit Evaluation of Water-Saving Rice Cultivation in Southern China Seasonal Drought Hilly Region;
南方丘陵季节性干旱区节水稻作综合效应研究及效益评价
In Susan's courtyard, the little well is a widow's cruse, which never dries, even in the severe season of drought.
苏姗家院子里的小井有着取之不尽的水，再干旱的季节都不会干涸。
Example: In Susan's yard, the little well is a widow's cruse, which never dries, even in the severe season of drought.
（苏姗家院子里的小井有着取之不竭的水，再干旱的季节都不会干涸。
In Susan's yard, the little well is a widow's cruse, which never dries, even in the severe season of drought.
（苏姗家院子里的小井有着取之不竭的水，再干旱的季节都不会干涸。）
Drought was most serious in the west and the northwest of Shandong and most serious in spring and summer.
鲁北、鲁西北为旱灾高发地区，胶东地区受灾相对较轻。 春夏两季是干旱最严重的季节。
Analysis of the content of element Ca、Mg、Zn in human body fluid of fieldwork workers in summer and winter who work in the hot and dry circumstances
炎热干旱环境野外作业工人不同季节体液中钙镁锌元素含量分析
Research of the Mechanism and Prevention and Cure of Desertification in Semi-arid Seasonal River Drainage Area;
半干旱区季节性河流流域的土地荒漠化成因及其治理研究
Responses of Srasonal Drought to Effective Water Erosion Control on Red Soil Slope
红壤季节性干旱对坡地水蚀快速阻断措施的响应