ENDOMYCORRHIZAL FUNGAL SPECIES MEDIATE N-15 TRANSFER FROM SOYBEAN TO MAIZE IN NON-FUMIGATED SOIL

被引：38

作者：

HAMEL, C

NESSER, C

BARRANTESCARTIN, U

SMITH, DL

机构：

[1] ITCR SEDE SAN CARLOS, DEPT CIENCIAS, SAN CARLOS, COSTA RICA

[2] MCGILL UNIV, MACDONALD COLL, DEPT PLANT SCI, Ste Anne De Bellevue H0A 1C0, QUEBEC, CANADA

来源：

PLANT AND SOIL | 1991年 / 138卷 / 01期

关键词：

FUMIGATION; GLOMUS-INTRARADICES; G-VESICULIFERUM; G-VERSIFORME; GLYCINE-MAX; GRASS-LEGUME MIXTURE; N-15; NITROGEN TRANSFER; SOIL MICROORGANISMS; ZEA-MAYS;

D O I：

10.1007/BF00011806

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The effect of mycorrhizal inoculation on N-15 transfer from soybean to maize was studied in fumigated and non-fumigated soil. Three Glomus species and a non-inoculated control were compared. In spite of higher levels of root colonization and more abundant hyphae associated with plants growing in fumigated soil, mycorrhizae-enhanced N-15 transfer to maize was significant only in non-fumigated plots. High N-15 transfer was not only associated with high mycelium density in soil but also with low soil microbial carbon, suggesting that the effect of mycorrhizal fungi on soil microbial populations may be an important factor affecting N transfer between mycorrhizal plants.

引用

页码：41 / 47

页数：7

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