Forage yield, water use efficiency, and soil fertility response to alfalfa growing age in the semiarid Loess Plateau of China

Agriculture & Biology

• loess 100%
• forage yield 96%
• water use efficiency 75%
• soil fertility 73%
• alfalfa 72%
• plateaus 71%
• China 50%
• soil water storage 41%
• soil 39%
• soil organic carbon 33%
• total nitrogen 30%
• phosphorus 21%
• soil water deficit 13%
• total phosphorus 11%
• semiarid zones 11%
• Medicago sativa 10%
• crop production 9%
• water 4%

Earth & Environmental Sciences

• alfalfa 98%
• water use efficiency 93%
• forage 85%
• soil fertility 84%
• loess 74%
• soil 33%
• soil water 28%
• water storage 27%
• phosphorus 25%
• organic carbon 20%
• soil layer 16%
• nitrogen 15%
• crop production 9%
• water availability 8%