agrarianism
agrosystems
biological taxon
cold stove
ecological
emerging technologies
encode genes
environmental economics
forced cultivation of plants
genetic engineering and
genetic improvement
greenhouse
healthy food
heat the environment
hothouse
humidity control
maintainable
modified organism
natural agriculture
natural resources
organic farming
organic food
plant biotechnology
plastic
prevent heat loss
promote plant development
protect them from excess cold
recombinant dna technology
soil resources
solar radiation
sustainable agricultural systems
temperature control
transgenic crops
transgenic foods
transgenic plants
transgenic varieties
translucent outer cover
trap energy
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