B

Biomass variation, 48, 55

Biotechnology, 52, 64, 86

germplasm, 44

herbicide resistance, 52

private sector, 94

C

California Irrigation Management Information System, 23-25, 66, 68

Cartography, see Maps and mapping

Case studies, 3, 73, 74, 76, 103, 104

Cation exchange capacity, 32

Census of Agriculture, 115

Center pivot irrigation, 67, 70

Chemicals, see Agricultural chemicals

Committee on Criteria for Federal Support of Research and Development, 95-96

Communications, see Telecommunications

Computer products and services, 20, 31, 66, 70, 71, 77, 78-79, 85, 97-99, 118

CIMIS, 23-25, 66, 68

education, 104

expert systems, 13, 37, 77, 101

turnkey, 78-79

see also Data collection and processing;

Data ownership and privacy;

Intellectual property;

Internet

Conservation tillage, 94

Cooperative Research and Development Agreement, 95

Cooperative State Research, Education, and Extension Service, 91

Copyright, see Intellectual property

Copyright Act, 111

Corn, 53, 66, 67, 68, 70

Cost factors, 12, 72, 119

aerial vs satellite imagery, 38

agricultural machinery, 70-71, 80-81

floater/variable-rate technologies, 33-34

chemicals dealers, 77

cost-benefit analysis, 51, 81-82, 87, 89

diffusion of technology, 67, 68-69, 70-72

environmental benefits vs costs, 87, 89

fertilizers, 56

fixed, 70

human capital, 70, 71

inputs, 73

long-term, 72-73

nutrient assays, 4

pest control, 60, 81

remote sensing, 38, 72-73

sampling strategies, 97

subfield management, 21

telecommunications, private investment, 106-107

weed management, 80-81

Cotton, 47, 50-51, 63, 71, 77, 86

Crop models, 5, 101-103

aerial photography, 40

ground-based sensors, 34

production, 39-40, 49-50, 53, 101

remote sensing, 36, 37, 38

spatial dimension, 39-40, 49-50, 53

Crop yield, see Agricultural production;

Agricultural productivity

D

Data collection and processing, 5, 17, 18, 92, 109, 118-119

crop consultant, profile, 26-27

data sharing, 7, 9, 11, 13, 22, 87-88, 99-100, 103, 106, 111

decision support systems, 41, 42-43

environmental monitoring, 87-88, 111

geographic information systems, 5, 30-31

geographic scales, 19-20

georeferencing, 7, 22, 28-30

methodology, 96-99, 100-101

Natural Resources Inventory, 115-116

public sector role, 10-11, 97, 112-119

regional, 7, 111-112

soil, 9, 10, 112, 113-114, 116

spatial dimension, 22, 23

standards, 7-8, 10, 97-98, 114, 118

see also Image processing



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