搜索结果: 1-8 共查到“植物学 Nitrogen”相关记录8条 . 查询时间(0.087 秒)
In search of an undersea kelp forest's missing nitrogen（图）
undersea kelp forest missing nitrogen
2019/10/28
Plants need nutrients to grow. So scientists were surprised to learn that giant kelp maintains its impressive growth rates year-round, even in summer and early fall when ocean currents along the Calif...
Nitrogen degradability and intestinal digestibility of rumen undegraded protein in rapeseed, rapeseed meal and extracted rapeseed meal
rapeseed rapeseed meal extracted rapeseed meal ruminant protein amino acids degradability intestinal digestibility
2015/6/4
In this study, nutritive values of rapeseed (R), rapeseed meal-expeller A (RM-A), rapeseed meal-expeller B (RM-B) and extracted rapeseed meal (ERM) were compared. The trials were performed using the i...
Variation in nitrogen economy of two Stipa species in the semiarid region of northern China
Habitat preference Mean residence time Nitrogen-use efficiency Nitrogen productivity Plant strategies
2015/2/5
How effectively plants utilize nitrogen (N), the most limiting nutrient in natural ecosystems, will largely determine the success of plants in intra- and inter-specific competition. Theory suggests th...
Cultivation of Brassica pekinensis under different forms of nitrogen nutrition
Brassica pekinensis NPK nutrition
2015/1/20
A pot trial was aimed to investigate the effect of different forms of nitrogen fertilizer on the aboveground phytomass yield, vitamin C content and uptake of some macroelements by Brassica pekinensis....
Climate Change, Nitrogen Loss Threaten Plant Life in Arid Desert Soils（图）
Climate Change Nitrogen Loss Plant Life Arid Desert Soils
2009/11/24
In the Mojave Desert winds howl across this hottest place in North America, blowing sands across Death Valley and through empty ghost towns, swirling across treeless land for hundreds of miles. But ev...
Effects of Nitrogen Fertilisation on Nitrate Reductase Activity, Protein, and Oil Yields of Nigella sativa L. as Affected by Foliar GA3 Application
Nigella sativa nitrate reductase nitrogen GA3 seed oil content seed protein content seed yield
2010/3/17
The influence of foliar GA3 application (0, 10-4, 10-5, or 10-6 M) on the responses of Nigella sativa L. to various levels of N fertilisation (0, 176, 264, 352, or 442 mg N pot-1) was analysed through...
Nitrogen Mineralisation in the Soils of Alpine Mat Communities: An Incubation Experiment under Laboratory Conditions
Mat community grassland N mineralisation nitrification alpine
2010/3/18
Plantago holosteum Scop. and P. atrata Hoppe plant communities contribute to the vegetation mosaic in the humid places on different substrata in the sub-alpine and alpine belts of Uludağ Mountain...
Nitrogen Mineralization in the Soils of Some Grassland Communities in the Alpine Region of Uludag in Bursa-Turkey
Mineralization Nitrogen Grassland
2010/3/23
Nitrogen mineralization was investigated in controlled conditions (60% WHC, 20ºC) in the soil of some alpine grassland communities. A significant correlation was found between the mineralization ...