Contents Summary 35 I. Introduction 35 II. Nitrogen acquisition and assimilation 36 III. Root‐
to‐shoot transport of nitrogen 38 IV. Nitrogen storage pools in vegetative tissues 39 V …

Background Productive agriculture needs a large amount of expensive nitrogenous
fertilizers. Improving nitrogen use efficiency (NUE) of crop plants is thus of key importance …

Although interactions between plants and microbes at the plant–soil interface are known to
be important for plant nutrient acquisition, relatively little is known about how root exudates …

There is a concerted understanding of the ability of root exudates to influence the structure of
rhizosphere microbial communities. However, our knowledge of the connection between …

Background Nitrogen (N) is one of the key mineral nutrients for plants and its availability has
a major impact on their growth and development. Most often N resources are limiting and …

In the majority of agricultural growing regions, crop production is highly dependent on the
supply of exogenous nitrogen (N) fertilizers. Traditionally, this dependency and the use of N …

Winter oilseed rape (Brassica napus L.) is the dominant oilseed crop in northern Europe.
Generally, it requires high amounts of nitrogen (N) but is characterized by low N-efficiency …

Under temperate climates and in cultivated soils, nitrate is the most important source of
nitrogen (N) available for crops and, before its reduction and assimilation into amino acids …

Forest ecosystems with low soil nitrogen (N) availability are characterized by direct
competition for this growth‐limiting resource between several players, ie various …

Because it has a high demand for sulphur (S), oilseed rape is particularly sensitive to S
limitation. However, the physiological effects of S limitation remain unclear, especially during …