Agropyron mongolicum Keng’s Growth in Response to Nitrogen Addition Is Linked to Root Morphological Traits and Nitrogen-Use Efficiency
نویسندگان
چکیده
Nitrogen (N) is an essential macronutrient for plant development and growth, increased N deposition affecting the diversity productivity of plants. The objective this study was to explore growth response Agropyron mongolicum Keng addition determine whether N-induced changes in soil-available nutrients have indirect impacts on biomass A. via regulation root morphological traits NUE. We conducted a pot experiment subjecting five levels (0, 0.8, 1.6, 2.4, 4.0 g m−2 yr−1) under greenhouse conditions. provided through urea [CO(NH2)2] delivered with two equal applications added at seeding tillering stages. results showed that total increasing appeared unimodal-shaped saturation threshold 3.20 yr−1. significantly positively correlated surface area (RSA), volume (RV), length (RL), forks number (RF), N-uptake efficiency (NUpE), N-utilization (NUtE) (p < 0.05). had impact
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ژورنال
عنوان ژورنال: Agronomy
سال: 2022
ISSN: ['2156-3276', '0065-4663']
DOI: https://doi.org/10.3390/agronomy12051146