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Factors affecting the nutrient efficiency of plants
Screening soybean for aluminium tolerance and adaptation to acid soils
Differences between cereal crop cultivars in root-associated nitrogen fixation, possible causes of variable yield response to seed inoculation
Biochemical techniques for genotype characterization
Genotypic variation in plant productivity and consequences for breeding of low-input cultivars
Social contact requirements of domestic pigs assessed by behavioral demand functions
Social recognition, social dominance and the motivation of fighting by pigs
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