Gaseous nitrogen losses from a subtropical sugarcane cropping system
Sugarcane is typically produced under conditions that are known to stimulate gaseous nitrogen losses via denitrification. These losses illustrate a highly inefficient use of N fertilisers on sugarcane farms but total denitrification losses are virtually unknown. This...
Changes in nitrogen agricultural practices to increase farm sustainability – tomato production
Abstract Nutrients, namely nitrogen, are essential to crop growth. Efficient nitrogen fertilization was tested in processing tomato plants with and without mycorrhizae, in the field. Mycorrhizae presents an alternative for the use of higher doses of N fertilizer...
Impact of N-fertiliser reduction on agronomic parameters and quality aspects for drinking water production
Many groundwater bodies in Northwest-Germany suffer from nitrate leaching in regions with high livestock densities. In Belm-Nettetal (Lower Saxony) farmers have to reduce the nitrogen (N-)fertilisation by 10/20% in cereals/maize within protection zone II since 2017....
Long-term nitrogen fertilization can increase the availability of residual phosphorus in arable soil
The agriculture in the Czech Republic has been characterized in the past thirty years by a reduction of 37% in basic fertilization with organic fertilizers, basic fertilization with phosphorus and potassium (a reduction of 73% and 82%, respectively), and conversely by...
P budget calculations of German farmland and resulting manure surpluses in livestock hotspot regions
The agricultural sector in Germany is characterized by regionally spezialised managing systems. Livestock and biogas production is concentrated in the northwest and the south east regions, resulting in locally high amounts of manures (organic fertilizers such as...
Optimising N recovery from livestock waste for multiple production and environmental benefits
Intensive dairy, beef and poultry industries share the common practice of housing animals through all or part of their productive life. This leads to a concentration of animal waste, high nitrogen (N) loss, detrimental environmental impacts, and health risks. This...
Assessment of nitrogen flows at farm and regional level when developing the manure management system
The nitrogen flows on large-scale livestock enterprises in Leningrad Region were considered to determine how to take integrated manure management decisions towards reducing the nitrogen losses and, consequently, the environmental pressure. Nitrogen surplus and...
Physiological Nitrogen release from human population
Human population living in rural areas with no sanitation might be considered as N pollution source not only due to its Nfootprint, but also via direct physiological N release. We found that in the region of Prut and Dniester catchment in 2015 N consumption was equal...
Mitigation potential of agricultural Ammonia in China and associated costs and benefits
This study conducts the first comprehensive assessment of national NH3 mitigation based on multiple models. Our study reveals there are considerable societal benefits (US$ 32-75 billion) for China to reduce agricultural NH3 emissions compared to its implementation...
Improving genetical controlled crop nitrogen use efficiency
Each step of nitrogen (N) uptake, translocation, assimilation, and remobilization in crops is governed by multiple interacting genetic and environmental factors, therefore, crop nitrogen use efficiency (NUE) is inherently complex and shows natural large variations...