Nitrogen Fertilization in Crop Production

Dear Colleagues,

The supply and availability of nitrogen, the major crop nutrient, are decisive for crop productivity. Productivity effects of nitrogen are site-, weather- and nitrogen form-specific. Synthetic and organic N fertilizers vary with respect to their effects on crop growth, crop quality and nitrogen losses. Globally, nitrogen losses from agricultural systems are amongst the major pressures on managed and natural ecosystems. Sustainable nitrogen management and improving nitrogen use efficiency are key in solving the global ecological crisis while maintaining sufficient food supply.

This Special Issue of Agriculture is dedicated to the effects of fertilization of different nitrogen forms and fertilizers on crop productivity in interaction with other crop nutrients, water supply, crop type and site conditions. Crop production effects should be embedded in a comprehensive framework covering loss processes to the environment (ammonia, N₂O, nitrate) and crop rotation effects with potential involvement of a perspective on biodiversity.

Authors are invited to submit papers covering various aspects of the scope of this Special Issue while avoiding a mere N response perspective of nitrogen supply on crop production. The focus is on increasing the understanding of the interaction of nitrogen fertilization with loss processes, site effects and crop physiology. Contributions with a wider perspective on food security and land use are also encouraged.

Dr. Andreas S. Pacholski
Guest Editor

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