Water productivity of rainfed maize and wheat: A local to global perspective.

Rattalino Edreira, Juan I; Guilpart, Nicolas; Sadras, Victor; Cassman, Kenneth G; van Ittersum, Martin K; Schils, René L M; Grassini, Patricio.

Affiliation

Rattalino Edreira JI; Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, 68583-0915, USA.
Guilpart N; AgroParisTech, UMR Agronomie AgroParisTech INRA Université Paris-Saclay, F-78850, Thiverval-Grignon, France.
Sadras V; South Australian Research and Development Institute, Australia.
Cassman KG; Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, 68583-0915, USA.
van Ittersum MK; Plant Production Systems Group, Wageningen University, P.O. Box 430, 6700 AK, Wageningen, The Netherlands.
Schils RLM; Plant Production Systems Group, Wageningen University, P.O. Box 430, 6700 AK, Wageningen, The Netherlands.
Grassini P; Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, 68583-0915, USA.

Agric For Meteorol ; 259: 364-373, 2018 Sep 15.

Article in En | MEDLINE | ID: mdl-30224833

Key words

CZ(s), climate zone(s); ETo, reference grass-based evapotranspiration during the crop cycle (mm); ETw, seasonal water-limited potential crop evapotranspiration (mm); ETwPOSTFETw, proportion of ETw after flowering; Es:ETw, proportion of ETw evaporated from the soil during the crop cycle; Maize; Management; Spatial framework; VPD, daytime vapor pressure deficit (kPa); WP, water productivity (kg ha−1 mm-1); WPa, actual on-farm water productivity (kg ha−1 mm-1); WPg, water productivity gap (kg ha−1 mm-1); WPw, water-limited potential water productivity for rainfed crops (kg ha−1 mm-1); Water productivity; Wheat; Ya, actual on-farm yield (Mg ha-1); Yield; Yw, water-limited yield potential (Mg ha-1)