Nitrogen Flashcards
1
Q
Explain how plants (presence/absence, plant species) influence N transformations in soil.
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2
Q
Discuss why inorganic N fertilisation may increase or decrease soil organic matter content.
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3
Q
Discuss the role of organic N as N source for plants.
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4
Q
Explain how N2 fixation is influenced by plant species/cultivar and nutrient availability.
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5
Q
Explain the figure that depicts the relationship between N2 fixation and photosynthesis over time (days after sowing). Explain the significance of the flowering and seed onset periods.
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6
Q
Discuss how temperature, soil water content, soil pH and salinity influence N transformations in soil.
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