SUBJECT
Soil science
8
Farm management
7
Plant propagation
6
Soils
6
Crops and soils
5
Foliage plants
5
House plants in interior decoration
5
Indoor gardening
5
Interior landscaping
5
Soil management
5
Landscape architecture
4
Poultry
4
Architecture, Domestic
3
Botany, Economic
3
Field crops
3
Homesites
3
Planning
3
Plants, Cultivated
3
Computer graphics
2
Crops
2
Ecology
2
Flower arrangement
2
Landscape architectural drawing
2
Livestock
2
Pesticides
2
Range management
2
Stock and stock-breeding
2
Wildlife management
2
Agricultural geography
1
Agriculture
1
Automation
1
Beef cattle
1
Botany 0
1
Buildings
1
Conservation of natural resources
1
Crop yields
1
Dairying
1
Data processing
1
Diseases and pests
1
Dogs
1
Effect of human beings on
1
Environmental aspects
1
Food crops
1
Forests and forestry
1
French language
1
Gardening
1
Growth (Plants)
1
Handbooks, manuals, etc
1
Horticulture
1
House plants
1
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