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" Crop systems dynamics : "
Xinyou Yin and, H.H. van Laar.
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BL
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| Record Number
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779422
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| Doc. No
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b599438
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| Main Entry
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Xinyou Yin and, H.H. van Laar.
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| Title & Author
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Crop systems dynamics : : an ecophysiological simulation model of genotype-by-environment interactions\ Xinyou Yin and, H.H. van Laar.
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| Publication Statement
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Wageningen : Wageningen Academic Publishers, 2005
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| Page. NO
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155 pages : illustrations ; 24 cm
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| ISBN
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9076998558
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: 9789076998558
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| Contents
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Preface; 1 Introduction 1; Brief summary of existing models 1; The need for improved crop growth simulation models 3; Towards improved model algorithms and structure 4; Towards improved model input parameters 5; The crop growth simulation model - GECROS 6; Reader's guide 8; 2 Photosynthesis and transpiration 9; Potential leaf photosynthesis 9; Potential leaf transpiration and its coupling with potential photosynthesis 11; Actual leaf transpiration and photosynthesis if water stress occurs 14; Spatial integration 14; Temporal integration 18; 3 Respiration 20; Growth respiration 20; Respiration for symbiotic di-nitrogen (N2) fixation 21; Respiration for ammonium-nitrogen uptake 21; Respiration for nitrate uptake and reduction 21; Respiration for uptake of other ions 22; Respiration for phloem loading 22; Other, less quantifiable respiration components 22; 4 Nitrogen assimilation 24; Nitrogen demand 24; Nitrogen fixation 27; Nitrogen uptake 27; 5 Assimilate partitioning and reserve dynamics 28; Partitioning between root and shoot 28; Within-shoot carbon partitioning 29; Carbon reserves and their remobilization 31. Within-shoot nitrogen partitioning 32; 6 Crop morphology, senescence, and crop phenology 34; Leaf area index 34; Leaf senescence 35; Root senescence 38; Plant height 39; Root depth 39; Phenological development 40; 7 Input requirements and model implementation in FST 43; Initialization and biophysical inputs 43; Model constants 43; Crop-specific parameters 44; Intra-crop genotypic-specific parameters 46; Crop carbon and nitrogen balance check 48; Model evaluation 49; Model application 50; Model implementation in FST 51; Making your first run of GECROS 54; References 55; Appendices 65; Appendix A Summary of equations related to the leaf photosynthesis model 67; Appendix B Calculations of input variables of Eqn (2): rt, rbh, rbw, and Rn 71; Appendix C Derivation of Eqn (9) 72; Appendix D Solar elevation, daylength, and direct and diffuse solar radiation 73; Appendix E Canopy extinction and reflection coefficients 75; Appendix F Derivations of Eqns (15a-c) 77; Appendix G Derivation of Eqns (16a-c) 78; Appendix H Time course of solar radiation and air temperature 79; Appendix I Derivation of Eqn (22) 80; Appendix J Derivation of Eqn (45) 82; Appendix K Derivation of Eqn (46) 83; Appendix L List of symbols (with units) used in the text 84; Appendix M The example soil simulation model 91; Appendix N Listing of the FST program for the model 98. Appendix O List of variables used in the model program 127; The CROP part (the GECROS model) 127; The part for the example soil model 141; Appendix P A sample weather data file 145; Appendix Q Simulation outputs using the sample weather data 147; Index 151.
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| Subject
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Crops -- Genetics.
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| Subject
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Crops -- Growth -- Mathematical models.
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| LC Classification
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SB112.5X569 2005
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| Added Entry
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H H van Laar
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Yin Xinyou
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