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26 天
硝态氮提高了干旱胁迫下羊草的光保护效率
在全球气候变化的背景下,很多地区正同时遭受干旱和人为引起的大气氮沉降增加的双重影响。干旱不仅阻碍植物对水分的吸收,导致光合生产力降低,限制植物生长发育;而且还通过限制矿物氮的通量,严重降低了土壤养分尤其是土壤氮的有效性。 松嫩草原是 ...
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