Journal
BIOCHAR
Volume 4, Issue 1, Pages -Publisher
SPRINGER SINGAPORE PTE LTD
DOI: 10.1007/s42773-022-00160-3
Keywords
Nitrogen use efficiency; Controlled-release; Retention; Coating; Biochar
Categories
Funding
- National Natural Science Foundation of China [21876027]
- Science and Technology Innovation Project Guangdong Province [2019KQNCX169]
- Key Scientific and Technological Project of Foshan City, China [2120001008392]
- Science and Technology Innovation Project of Foshan, China [1920001000083]
Ask authors/readers for more resources
Globally, nitrogen fertilizer demand is high but a large portion of it is lost to the environment, causing pollution and impacting biodiversity. To improve nitrogen fertilizer use efficiency, biochar-based nitrogen fertilizers have been developed to reduce loss and increase crop uptake.
Globally, nitrogen (N) fertilizer demand is expected to reach 112 million tonnes to support food production for about 8 billion people. However, more than half of the N fertilizer is lost to the environment with impacts on air, water and soil quality, and biodiversity. Importantly, N loss to the environment contributes to greenhouse gas emissions and climate change. Nevertheless, where N fertilizer application is limited, severe depletion of soil fertility has become a major constraint to sustainable agriculture. To address the issues of low fertilizer N use efficiency (NUE), biochar-based N fertilizers (BBNFs) have been developed to reduce off-site loss and maximize crop N uptake. These products are generally made through physical mixing of biochar and N fertilizer or via coating chemical N fertilizers such as prilled urea with biochar. This review aims to describe the manufacturing processes of BBNFs, and to critically assess the effects of the products on soil properties, crop yield and N loss pathways. [GRAPHICS] .
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available