Defoliation affects the root competitive balance for N between Poa annua plants grown in a split‐root box

• Published in: Grassland Research Vol. 1; no. 2; pp. 94 - 102
• Main Authors: Mori, Sayuki, Irving, Louis John, Wang, Zeng‐Yu
• Format: Journal Article
• Language: English
• Published: Lanzhou Wiley 01.06.2022; John Wiley & Sons, Inc
• Subjects: Agriculture (General); Boxes; Chambers; Competition; Defoliation; differential growth; Efficiency; Experiments; Leaf area; Leaves; Light; Nitrogen; nitrogen use efficiency; Nutrient uptake; Nutrients; Plant culture; Plant growth; Poa annua; root; Root distribution; S1-972; SB1-1110; Seeds; Spatial distribution
• ISSN: 2097-051X; 2770-1743
• DOI: 10.1002/glr2.12022

Background Plants compete aboveground for light and belowground for patchily distributed nutrients. Defoliation causes an immediate loss of leaf area and photosynthetic capacity, leading to reduced root growth, with hypothesised implications for nutrient uptake and nitrogen use efficiency. Methods I...