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Quantification of nitrogen fixation by the peanut/ Rhizobium symbiotic system in a virgin sandy soil
Author(s) -
Moawad H.,
ElDin S. M. S. Badr,
Khalafallah M.
Publication year - 1986
Publication title -
zeitschrift für pflanzenernährung und bodenkunde
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 87
eISSN - 1522-2624
pISSN - 0044-3263
DOI - 10.1002/jpln.19861490604
Subject(s) - microbial inoculant , rhizobia , nitrogen fixation , rhizobium , agronomy , inoculation , irrigation , nitrogen , biology , environmental science , horticulture , chemistry , organic chemistry
Nitrogen balance studies were conducted to quantify the nitrogen fixed by peanut/ Rhizobium symbiotic system under field conditions in a sandy soil. Large scale inoculation with three NifTAL strains of cowpea rhizobia, 1000, 169, 1371 was done using two inoculation techniques: peat‐based inoculant or injection of inoculant with irrigation water through an injection tank attached to the central pivot system. The results show nitrogen fixation amounting up to 186 kg N ha −1 in peat‐based inoculant and 171 kg N ha −1 in liquid inoculant injected through the irrigation system. However, no significant differences in yield response were recorded between both inoculation techniques.