机译:施肥对荒漠草原草本植物种群密度和生产力的影响
Desert;
Experimental;
Research;
Station,;
Cold;
and;
Arid;
Regions;
Environmental;
and;
Engineering;
Research;
Institute,;
Chinese;
Academy;
of;
Sciences,;
Lanzhou,;
Gansu;
730000,;
China;
of;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100049,;
China;
人口密度; 施肥处理; 草本植物; 荒漠草原; 生产力; 地上生物量; 施肥水平; 根系生物量;