by Alexander Sedov | May 20, 2021 | Posters for INI2021, Posters for INI2021 – 2b. Optimizing the efficiency of nitrogen use in crop production
Exploring the limitations of first-order kinetics (FOK) in modelling net N Catch crops are effective at reducing N leaching in agriculture. • Mineralization of N influences soil fertility and N leaching over winter. • Plant residue N mineralization depends strongly on...
by Alexander Sedov | May 20, 2021 | Posters for INI2021, Posters for INI2021 – 2b. Optimizing the efficiency of nitrogen use in crop production
Indices of crop water stress from uav images Nitrate concentration has been increasing in water extracted by bore wells in lower Jizera catchment – waterworks Káraný (Fig.1), providing 1/3 of drinking water for Prague. Irrigated vegetables and potatoes, often...
by Alexander Sedov | May 16, 2021 | Posters for INI2021, Posters for INI2021 – 2b. Optimizing the efficiency of nitrogen use in crop production
Nitrogen and water use efficiency of maize Maize grown for grain is the third largest cereal crop species in the world. In Poland, since 1990, the sowing area has increased 11 times, reaching 645..4 thous. ha in 2019, which acounts to 11% of the total are a...
by Alexander Sedov | May 16, 2021 | Posters for INI2021, Posters for INI2021 – 2b. Optimizing the efficiency of nitrogen use in crop production
Algae extracts as a sustainable nitrogen-containing fertilizer Nitrogen shortage and loss is a severe global problem. The application of algal biomass/extracts on soil can recover N nutrient. Spirulina platensis treated with subcritical water. . Download...
by Alexander Sedov | May 16, 2021 | Posters for INI2021, Posters for INI2021 – 2b. Optimizing the efficiency of nitrogen use in crop production
Urease inhibitor still active at low concentration NH3 losses with urea use are relevant worldwide Urease inhibitors (UI): >8 million ton of fertilizer/yr Mandatory use in some countries when urea is surface-applied. UI reduce NH3volatilization losses...
by Alexander Sedov | May 16, 2021 | Posters for INI2021, Posters for INI2021 – 2b. Optimizing the efficiency of nitrogen use in crop production
Effect of urease The rising world population and renewable energy policies are increasing oilseed demand. However, the formation and emission of nitrous oxide (N2O), both directly and indirectly (e.g. derived from ammonia (NH 3) previously volatilized) could...