Journal ArticleDOI
Suppression of NH3 and N2O emissions by massive urea intercalation in montmorillonite
Kwang Seop Kim,Man Park,Choong Lyeal Choi,Dong-Hoon Lee,Young-Jin Seo,Chan Yong Kim,Jong Su Kim,Seok In Yun,Hee Myong Ro,Sridhar Komarneni +9 more
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TLDR
In this article, a massive intercalation of urea into montmorillonite (MMT) was proposed to improve the urea use efficiency in soil surface for reliable crop production.Abstract:
Purpose
A large amount of nitrogen (N) fertilizers has been broadcasted over soil surface for reliable crop production. Unfortunately, the broadcasted N vulnerable to volatilization and leaching can lead to serious environmental problems. As a new approach to mitigate N loss of broadcasted fertilizers, massive intercalation of urea into montmorillonite (MMT) was recently proposed to innovatively enhance the urea use efficiency. This study focuses on demonstrating the behaviors of the urea intercalated into MMT in soils.read more
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Journal ArticleDOI
Carbon-Based Slow-Release Fertilizers for Efficient Nutrient Management: Synthesis, Applications, and Future Research Needs
Muhammad Rashid,Qaiser Hussain,Khalid Saifullah Khan,Mohammad I. Al-Wabel,Rifat Hayat,Muhammad Akmal,Shahzada Sohail Ijaz,Sarosh Alvi,Obaid-ur-Rehman +8 more
TL;DR: In this article, the potential of carbon-based materials as nutrient carriers, nutrient adsorption and desorption mechanisms, synthesis methods, nutrient release behavior, and agronomic and environmental implications are discussed in detail for future research priorities as the literature in this direction is very limited and scattered.
Book ChapterDOI
Agri-nanotechniques for Plant Availability of Nutrients
P. K. Mani,Sudeshna Mondal +1 more
TL;DR: The present chapter highlights the key role of nanoparticles in soil systems, their characterization, behavior, mobility, and effective means for the smart delivery of fertilizers that has a strong bearing on the growth and yield of plants.
Book ChapterDOI
Perspectives in Nanocomposites for the Slow and Controlled Release of Agrochemicals: Fertilizers and Pesticides
Elaine I. Pereira,Amanda S. Giroto,Adriel Bortolin,Cintia Fumi Yamamoto,José Manoel Marconcini,Alberto Carlos de Campos Bernardi,Caue Ribeiro +6 more
TL;DR: In this article, the underlying principles in controlled or slow release of agrochemicals, the fundamentals of key technologies, and the current perspectives in the production of new materials, comparing their potential with conventional materials regularly produced.
Journal ArticleDOI
Fluxes of nutrients and trace metals across the sediment-water interface controlled by sediment-capping agents: bentonite and sand.
TL;DR: Sediment capping of mildly polluted sediments by using bentonite and sand lowered the level of nutrients and trace metals, but unexpected or undesirable side effects, such as influxes of P and As from bentonite to the overlying water and a possibility of toxic impacts to aquatic ecosystems, were observed, suggesting that capping agents with an adequate assessment of their side effects and toxicity should be predetermined for site-specific sediment management strategies.
References
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Journal ArticleDOI
An Earth-system perspective of the global nitrogen cycle.
Nicolas Gruber,James N. Galloway +1 more
TL;DR: With humans having an increasing impact on the planet, the interactions between the nitrogen cycle, the carbon cycle and climate are expected to become an increasingly important determinant of the Earth system.
Journal ArticleDOI
Molecular and physiological aspects of nitrate uptake in plants
TL;DR: Genes that encode representatives of each class of transport system have been identified and fall into two families: NRT1 and NRT2, which are induced in response to nitrate in the environment and are regulated by internal signals including nitrogen metabolites and shoot demand for nitrogen.
Journal ArticleDOI
The Role of Nutrient Efficient Plants in Improving Crop Yields in the Twenty First Century
TL;DR: In the 21st century, nutrient efficient plants will play a major role in increasing crop yields compared to the 20th century, mainly due to limited land and water resources available for crop production, higher cost of inorganic fertilizer inputs, declining trends in crop yields globally, and increasing environmental concerns.
Book ChapterDOI
Ammonia Emission From Mineral Fertilizers and Fertilized Crops
TL;DR: In this article, the authors focus on processes involved in NH 3 volatilization from inorganic nitrogen fertilizers and the exchange of ammonia between crop foliage and the atmosphere, and show that NH 3 is emitted from the leaves when the internal NH 3 concentration is higher than that in the ambient atmosphere.
Journal ArticleDOI
Reducing NH3, N2O and $${\text{NO}}_3^ - $$ –N losses from a pasture soil with urease or nitrification inhibitors and elemental S-amended nitrogenous fertilizers
TL;DR: A 3-month field experiment comparing nitrogen losses from and the agronomic efficiency of various N fertilizers was conducted on a sandy loam (Typic Hapludand) soil at Ruakura AgResearch farm, Hamilton, New Zealand during October to December 2003 as discussed by the authors.