Can less yield more? Is reducing nutrient input into the environment compatible with maintaining crop production?

AG Good, AK Shrawat, DG Muench - Trends in plant science, 2004 - cell.com
Plant scientists have long recognized the need to develop crops that absorb and use
nutrients more efficiently. Two approaches have been used to increase nutrient use …

Identifying traits to improve the nitrogen economy of wheat: Recent advances and future prospects

MJ Foulkes, MJ Hawkesford, PB Barraclough… - Field Crops …, 2009 - Elsevier
Nitrogen fertilizer represents a significant cost of production for the grower and may also
have environmental impacts through nitrate leaching, use of fossil fuels for manufacture and …

[HTML][HTML] Nitrogen partitioning and remobilization in relation to leaf senescence, grain yield and grain nitrogen concentration in wheat cultivars

O Gaju, V Allard, P Martre, J Le Gouis, D Moreau… - Field Crops …, 2014 - Elsevier
Our objective was to investigate the determinants of genetic variation in N accumulation, N
partitioning and N remobilization to the grain post-flowering and associations with flag-leaf …

Nitrogen and dry matter accumulation, remobilization, and losses for Mediterranean wheat during grain filling

DK Papakosta, AA Gagianas - Agronomy Journal, 1991 - Wiley Online Library
Dry matter and N accumulated by winter wheat (Triticum spp.) plants until anthesis are of
importance under a Mediterranean climate because yield greatly depends on translocation …

In winter wheat (Triticum aestivum L.), post-anthesis nitrogen uptake and remobilisation to the grain correlates with agronomic traits and nitrogen physiological …

T Kichey, B Hirel, E Heumez, F Dubois, J Le Gouis - Field crops research, 2007 - Elsevier
In wheat, nitrogen (N) uptake and remobilisation after flowering contributes largely, in
Northern countries, to grain yield and grain protein content. The aim of our study was first to …

Genetic differences for nitrogen uptake and nitrogen utilisation efficiencies in winter wheat

J Le Gouis, D Béghin, E Heumez, P Pluchard - European Journal of …, 2000 - Elsevier
Due to economic and ecological factors, European agricultural practices are likely to go
towards extensive systems with lower inputs of nitrogen (N) fertilisers. The objective of this …

Characterizing nitrogen use efficiency in natural and agricultural ecosystems to improve the performance of cereal crops in low-input and organic agricultural systems

JC Dawson, DR Huggins, SS Jones - Field Crops Research, 2008 - Elsevier
Low-input and organic farming systems have notable differences in nitrogen (N) sources,
cycling and management strategies compared to conventional systems with high inputs of …

Comparative UAV and field phenotyping to assess yield and nitrogen use efficiency in hybrid and conventional barley

SC Kefauver, R Vicente, O Vergara-Díaz… - Frontiers in Plant …, 2017 - frontiersin.org
With the commercialization and increasing availability of Unmanned Aerial Vehicles (UAVs)
multiple rotor copters have expanded rapidly in plant phenotyping studies with their ability to …

[HTML][HTML] Genotypic variation in the uptake, partitioning and remobilisation of nitrogen during grain-filling in wheat

PB Barraclough, R Lopez-Bellido, MJ Hawkesford - Field Crops Research, 2014 - Elsevier
Twenty elite varieties of wheat (Triticum aestivum L.), primarily winter wheat, were grown
with low and high supplies of nitrogen (N) in a field experiment at Rothamsted, southern …

Dry matter, nitrogen and phosphorus accumulation, partitioning and remobilization as affected by N and P fertilization and source–sink relations

C Dordas - European Journal of agronomy, 2009 - Elsevier
Durum wheat (Triticum turgidum subsp. durum L.) is being increasingly grown in many areas
of the world, but there is a lack of information about the physiological processes limiting …