Titlebook: Nutrient Cycling in Terrestrial Ecosystems; Petra Marschner,Zdenko Rengel Book 2007 Springer-Verlag Berlin Heidelberg 2007 Nitrogen cycle.

發(fā)炎

indubitable

Halfhearted

Peter de Willigen,Oene Oenema,Wim de Vriesontrolled three-phase voltage source inverters (VSIs) are widely used in renewable energy-based power generation systems for performing various advanced energy management and power flow control functions, e.g., power smoothing control of wind and solar power generation systems as well as fast chargi

SEEK

ed and deployed from within the enterprise system. This implies a fortress model, in which a clear boundary lies between what is inside the fortress and what is outside. Those assets inside are protected from the outside. This model does not match the current world. Mobile devices, which are outside

CRACK

Composition and Cycling of Organic Carbon in Soil50 Pg C to a depth of 1 m and for 2370–2450 Pg C to a depth of 2 m (Eswaran et al. 1995; Lal 2004a). Comparative estimates of organic C contained in living biomass (560 Pg) and atmospheric CO.-C (760 Pg) (Lal 2004a) indicate that variations in the size of the SOC store could significantly alter atmo

增長(zhǎng)

cuticle

senile-dementia

方舟

Root Exudates and Nutrient Cyclingemical conditions in the surrounding soil via alterations of root activity. The soil volume that is directly or indirectly influenced by the activity of plant roots is called the rhizosphere (Hinsinger 1998). As early as the beginning of the last century, the German phytopathologist Lorenz Hiltner (

pantomime