Growth of legume pasture affected by phosphorus addition, soil liming, and mycorrhizae under greenhouse condition

Ciência Rural

Santos, Julio Cesar Pires²  Mafran, Álvaro Luiz¹  Kaminski, João⁴  Rheinheimer, Danilo dos Santos³ 

[1] Universidade do Estado de Santa Catarina;Universidade Federal de Santa Maria, Santa Maria;Universidade Federal de Santa Maria

关键词: forage yield;    phosphorus availability;    mycorrhizae;    legume pasture;   

DOI  :  10.1590/S0103-84781997000400008

学科分类：农业科学（综合）

来源: Universidade Federal de Santa Maria * Centro de Ciencias Rurais

【 摘 要 】

Acid soils under native pasture in Southern Brazil presents low diversity of legume species, minly due to the low availability of phosphorus and higth aluminum concentration. Four greenhouse experiments were carried out to evaluate the efect of liming, phosphorus addition and micorrhizal inoculation on three legume species. Dry Matter production was limited by phosphorus availability and aluminum concentration. Lime and phosphorus aplication increased matter production. Soil fumigation decreased Desmodium incanum productivity. Mycorrhizal inoculation of soils without fumigation did not affect the Lotus corniculatus and Trifolium riograndense grouth, which might be explained by the high natural population and colonization potential of these soils.

【 授权许可】

CC BY-NC