Yield, growth and grain nitrogen response to elevated CO₂ of five field pea (Pisum sativum L.) cultivars in a low rainfall environment

Agriculture & Biology

• grain nitrogen content 100%
• Pisum sativum 71%
• peas 63%
• carbon dioxide 55%
• rain 55%
• cultivars 40%
• irrigation 11%
• pods 9%
• breeding programs 8%
• air 6%
• leaf nitrogen content 6%
• Victoria (Australia) 6%
• harvest index 5%
• intraspecific variation 5%
• plant breeding 5%
• seed yield 4%
• biomass 3%
• water 2%

Earth & Environmental Sciences

• cultivar 88%
• rainfall 44%
• nitrogen 42%
• irrigation 27%
• breeding 23%
• yield response 17%
• twilight 16%
• air 12%
• program 12%
• harvest 10%
• seed 10%
• grain size 9%
• crop 8%
• biomass 7%
• index 6%
• experiment 4%
• water 3%
• effect 2%