عنوان

Crop systems dynamics :

(Number (ISBN

9076998558

(Number (ISBN

9789076998558

Number

b599438

Title Proper

Crop systems dynamics :

General Material Designation

[Book]

Other Title Information

an ecophysiological simulation model of genotype-by-environment interactions

First Statement of Responsibility

Xinyou Yin and, H.H. van Laar.

Place of Publication, Distribution, etc.

Wageningen

Name of Publisher, Distributor, etc.

Wageningen Academic Publishers

Date of Publication, Distribution, etc.

2005

Specific Material Designation and Extent of Item

155 pages : illustrations ; 24 cm

Text of Note

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.

Crops -- Genetics.

Crops -- Growth -- Mathematical models.

Class number

Book number

Xinyou Yin and, H.H. van Laar.

H H van Laar

Yin Xinyou

Electronic name

[Book]

Y