农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 76-90 共查到农学 Vegetation相关记录98条 . 查询时间(0.335 秒)
This paper highlights the spatial and temporal variability of atmospheric columnar methane (CH4) concentration in the Kharif season over India and its correlation with the terrestrial vegetation dynam...
The different outcomes for forest succession by the management practices of two hill tribes were examined around Doi Inthanon national park in northern Thailand. The study plot was set to compare fl...
Weed vegetation of road pavement seams was investigated at 68 points in the Route 4 (from Adachi, Tokyo to Aomori city, Aomori) from July 27 to July 30 in 2004. One hundred and two weed species belo...
Studies on the vegetation of weeds grown in road pavement seams in Eastern Japan.
Over the last four years, the Early Stand Dynamics program of FORREX–Forest Research Extension Partnership has assessed the information needs of the operational silvicultural community. This process h...
Over the last four years, the Early Stand Dynamics program of FORREX–Forest Research Extension Partnership has assessed the information needs of the operational silvicultural community. This process ...
This study was conducted to determine the number and morphological features of somatic chromosomes of yellow bluestem (Bothriochloa ischaemum (L) Keng) dominated in natural maqui type range vegetation...
Light Detection and Ranging (LIDAR) is a new technology that offers a potential alternative to field surveying and photogrammetric techniques for the collection of elevation data. It has the advantag...
Over the last six years, the Early Stand Dynamics program of FORREX–Forest Research Extension Partnership has assessed the information needs of the operational silvicultural community. This process ha...
A seminomadic animal raising system, known as ''yaylacılık'' in Turkish, is one of the best ways of using upland rangelands, particularly in rough terrain regions. Three rangeland sites were...
In the last 50 years, rangelands in the Central Anatolian Region of Turkey have been converted to cropping lands, which has negatively accelerated vegetation change, resulting in overgrazing and poor ...
0.024. Otherwise, the vegetation indices would be saturated, resulting in lower estimation accuracy of LAI. Comparison on the capabilities of the vegetation indices derived from all kinds of combinati...
In China, a cultivation system that uses low plant densities and the retention of vegetative branches is currently referred to as the cost-saving cotton production system, which contrasts with the con...
A greenhouse experiment to test the relationship between the oxygen status of soil and the macroelement content was conducted. N-NH4+, N-NO3-, P and K content in the soil under oxygen stress conditio...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...