Colección de temas

Temas	Cantidad
Africa	104
Agricultural development	125
Agricultural policies	71
Agricultural research	127
Agriculture	75
Appropriate technology	63
Asia	52
Barley	98
Biotechnology	44
Borlaug	52
Breeding	107
Breeding methods	76
CIMMYT	64
Cereals	89
Conservation agriculture	123
Crop management	115
Crop yield	73
Cropping systems	143
Cultivation	70
Data analysis	55
Developing Countries	189
Disease control	54
Disease resistance	232
Drought	48
Drought resistance	65
Economic analysis	189
Economics	74
Environmental factors	67
Ethiopia	45
Experiments	54
Extension activities	62
Farmers	96
Farming systems	195
Fertilizer application	77
Fertilizers	50
Finance	70
Food production	145
Food security	128
Gene pools	76
Genetic resources	151
Genetics	47
Genotype environment interaction	47
Genotypes	95
Germplasm	209
Germplasm conservation	58
Grain yield	57
High yielding varieties	78
Highlands	45
Hybrids	131
Identification	46
Inbred lines	44
India	49
Innovation adoption	266
Kenya	54
Maize	867
Methods	142
Mexico	251
Models	48
Pest resistance	88
Photography	124
Plant breeding	513
Plant diseases	165
Plant production	129
Prices	48
Production	84
Production factors	113
Protein quality	57
Quality	50
Research	114
Research institutions	172
Research policies	89
Research projects	258
Rice	110
Rusts	126
Seed production	186
Selection	81
Small farms	92
Soil fertility	52
Spring crops	50
Statistical analysis	80
Sustainability	75
Technology	49
Technology transfer	163
Testing	89
Training	129
Trials	138
Triticales	126
Triticum	100
Triticum aestivum	326
Triticum durum	65
Tropical zones	51
Varieties	268
Weed control	67
Wheat	467
Wheats	527
Yield factors	48
Yields	228
Zea mays	592
Zero tillage	62
Zimbabwe	54