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: 1-4 共查到农学 Light intensities相关记录4条 . 查询时间(0.062 秒)
Recently, the worldwide demand for romaine lettuce (Lactuca sativa L.) has been increasing. Thus, regulation measures of supplementary or shading light are often used in the production of lettuce in s...
Net photosynthetic rate (A) and stomatal conductance (gs) of leaves of Nothofagus pumilio and N. an-tarctica seedlings were measured at different photosynthetic photon flux densities (PPFDs, 20, 150, ...
Different seed preconditioning treatments and light intensities were tested for their effect on the callus induction and regeneration in cotyledon cultures of mungbean ( Vigna radiata (L.) Wilczek). ...
Effects of organic fertilizer (liquid concentrated protein extract ; N : 9.2%, P2O5 : 2.4%, K2O : 3.1%) and inorganic fertilizer on the growth of rice plants were studied under various light intensiti...

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...