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: 1-9 共查到农学 Vertical distribution相关记录9条 . 查询时间(0.14 秒)
Afforestation is a strategy to protect croplands and to sequestrate carbon in coastal areas. In addition, inorganic carbon is a considerable constitute of the coastal soil carbon pool. However, the ve...
Nitrogen (N) fertilization is a commonly applied silvicultural treatment in intensively managed coast Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco var. menziesii) plantations. Field trials were e...
Recently, increasing attention has been paid to the anthropogenic degradation of the riverbed and its relationship to the ecological status of the adjacent river landscape. The key objective of this r...
Vertical structure is important for understanding forest environment, yet difficult to characterize, especially in temperate heterogeneous forests where the structure is complex. This study used data ...
Vertical Distribution of Meteorological Factors in a Model Population of Rice Plant.
Vertical distribution of roots is known to influence environmental stress tolerance of crops. To estimate the genotypic characteristic on the vertical distribution of roots in the field, the growth an...
Wheat and soybean were grown in an upland field converted from a paddy of gray lowland soil in Ibaraki, Japan in 1994-1995.Wheat and rice were also grown in multipurpose paddy fields of peat soil in 1...
The vertical distributions of leaf area and nitrogen content of leaves per leaf area were examined in the tillers at each nodal position and nodal order in rice canopy to clarify the factors that cau...
We investigated the vertical distribution of Pot2 genotypes of Pyricularia grisea by means of rep-PCR fingerprinting and pathogenic races of rice blast fungus within a diseased rice hill in a paddy ...

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...