AquaCrop the FAO crop the FAO crop-model to model to simulate yield response to water water PDF
Preview AquaCrop the FAO crop the FAO crop-model to model to simulate yield response to water water
A M + INTERNATIONAL SUMMER SCHOOL IN g net AGROMETEOROLOGY AND CROP MODELLING 2017 AAqquuaaCCrroopp tthhee FFAAOO ccrroopp--mmooddeell ttoo ssiimmuullaattee yyiieelldd rreessppoonnssee ttoo wwwwaaaatttteeeerrrr AAnnnnaa DDaallllaa MMaarrttaa FFiilliibbeerrttoo AAllttoobbeellllii Summer School University of Firenze, Italy 2017 CREA-PB, Rome Literature © FAO, 2011. AquaCrop Reference Manual. Chapters 1-2-3. http://www.fao.org/nr/water/aquacrop.html http://www.fao.org/land-water/databases-and-software/aquacrop/en/ Summer School, July 2017 Novi Sad AquaCrop AquaCrop is a crop water productivity model developed by the Land and Water Division of FAO It simulates yield response to water (relation between crop yield and water stress) of herbaceous crops, and is particularly suited to address conditions where water is a key limiting factor in crop production. AquaCrop is essentially a crop water balance model It attempts to balance accuracy, simplicity, and robustness: • Relatively small number of explicit parameters and input • Plant physiological processes • Soil water budgeting processes Summer School, July 2017 Novi Sad ???? 1. Need of quick information (near real time) about what is happening in a 1. Make observations given situation or what will change in 2. Collect information the system as a result of perturbative 3. Formulate hypotheses events (scenario analysis) about why things are the way they are 2. Limited resources for direct 4. Deriving predictions observations (especially on regional 5. Carrying out experiments scale assessments) based on those predictions Field experiments or simulation models? Summer School, July 2017 Novi Sad We are interested in the field in which the plant is cultivated Plant production is strongly determined by soil conditions: INTERACTIONS AquaCrop looks at the interactions between crop and the soil System: soil – plant interaction Management -- ffiieelldd - irrigation Field with plant s n o i t c a r e t n Soil (conditions) I Summer School, July 2017 Novi Sad - Rainfall Atmosphere - Energy - CO 2 System: soil – plant interaction Management - field - irrigation Field with plant ss nn oo ii tt cc aa rr ee tt nn Soil (conditions) II Capillary Deep rise percolation Water table Summer School, July 2017 Novi Sad Water table INPUT OUTPUT Biomass Yield Yield (kg) WP ET ET (m3) Summer School, July 2017 Novi Sad AquaCrop calculation scheme CC SSttoommaattaa 2 - Crop transpiration 1 - Crop development 4 - Yield formation 3 - Biomass production Summer School, July 2017 Novi Sad AquaCrop calculation scheme 1 – Crop development CC 2 – Crop transpiration (Tr) WWPP** 3 – Biomass production (B) HI 4 – Yield formation (Y) Summer School, July 2017 Novi Sad Irrigation Rainfall ET FC Leaf expansion FFCC SSttoommaattaall cclloossuurree Canopy senescence W P WP Deep Capillary percolation rise Summer School, July 2017 Novi Sad
Description:The list of books you might like
