4 Ergebnisse.

A solution of the Einstein equations is by definition cosmological if it can reproduce the Friedmann (1922, 1924), Lemaitre (1927, 1931), Robertson (1929, 1933), and Walker (1935) (FLRW) metric by taking limiting values of arbitrary constants or functions. It has been a conventional wisdom in cosmology that the FLRW models successfully describe the large scale properties of our observed Universe, even since the 1930ies.

Insect resources are vast and diverse due to their massive diversity. The exploitation and utilization of insect resources is classified into different categories. The most important among them are the insects of industrial resources which include the utilization of silkworm, honeybee, lac insect and dye insect. Although there are several stages of sericulture from soil to silk, one of the important stages is the technology of feeding of the s...

Drought is the most widespread disaster across the globe, every year it affects millions of lives in the world. It impact on rural economy and social systems are complex and long lasting. The empirical analysis of the socio-economic dimensions of drought is important for envision of an appropriate drought management plan. This micro level study has explained the causes, impacts and coping mechanisms for drought by rural communities in drought ...

Declining yam productivity in Benin Republic (West Africa)calls the need for a study to determine both the effect of fertilization on yam (Dioscorea spp.) yield and the best agronomic management options available for stabilizing yam productivity. This book addresses the above issues and analyzes the effect of fertilizer application on total biomass production, tuber yield and dry matter partitioning pattern, in two species of yam (Dioscorea al...