نتایج جستجو برای: n uptake
تعداد نتایج: 1092220 فیلتر نتایج به سال:
Despite the importance of nitrogen (N) limitation of forest carbon (C) sequestration at rising atmospheric CO2 concentration, the mechanisms responsible are not well understood. To elucidate the interactive effects of elevated CO2 (eCO2) and soil N availability on forest productivity and C allocation, we hypothesized that (1) trees maximize fitness by allocating N and C to maximize their net gr...
This study investigated the influence of nitrogen (N) fertilizer and straw on intact amino acid N uptake by soil microorganisms and the relationship between amino acid turnover and soil properties during the wheat growing season. A wheat pot experiment was carried out with three treatments: control (CK), N fertilizer (NF) and N fertilizer plus rice straw (NS). We used stable isotope compound-sp...
The fern Dicranopteris dichotoma is an important pioneer species of the understory in Masson pine (Pinus massoniana) forests growing on acidic soils in the subtropical and tropical China. To improve our understanding of the role of D. dichotoma in nitrogen (N) uptake of these forests, a short-term (15)N experiment was conducted at mountain ridge (MR, with low N level) and mountain foot (MF, wit...
Abstract Aims South-western Australia has some of the most phosphorus (P)-impoverished soils in world. Hakea prostrata (Proteaceae) nitrate (NO 3 − )-uptake restraint, associated with its high P-use efficiency. This research explores how common this trait is other Proteaceae and co-occurring plant species south-western Australia. Methods Banksia attenuata (Proteaceae), B. telmatiaea Melaleuca s...
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