Yield And Nitrogen Fixation Of Berseem Clover As A Potential Winter Forage Crop Under Semiarid Conditions

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Yield And Nitrogen Fixation Of Berseem Clover As A Potential Winter Forage Crop Under Semiarid Conditions

Year: 

1992

Source of publication :

Arid Soil Research and Rehabilitation

Authors :

Friedman, Yehezkel

;

Leshem, Yoel

.

Volume :

Co-Authors: 

Kishinevsky, B.D., Department of Agronomy Natural Resources, Institute of Field Garden Crops, Agricultural Research Organization The Volcani Center, RO. Box 6, Bet Dagan, 50-250, Israel
Leshem, Y., Department of Agronomy Natural Resources, Institute of Field Garden Crops, Agricultural Research Organization The Volcani Center, RO. Box 6, Bet Dagan, 50-250, Israel
Friedman, Y., Department of Agronomy Natural Resources, Institute of Field Garden Crops, Agricultural Research Organization The Volcani Center, RO. Box 6, Bet Dagan, 50-250, Israel
Krivatz, G., Department of Agronomy Natural Resources, Institute of Field Garden Crops, Agricultural Research Organization The Volcani Center, RO. Box 6, Bet Dagan, 50-250, Israel

From page: 

261

To page: 

270

(

Total pages: 

10

)

Link :

Yield And Nitrogen Fixation Of Berseem Clover As A Potential Winter Forage Crop Under Semiarid Conditions

Abstract: 

Field inoculation studies were carried out on loamy clay, brown steppe soil to test the potential and yield of berseem clover (Trifolium alexandrinum,) planted separately and together with ryegrass at 50:50 ratio. The experimental site was located on the border of the desert zone of Israel, with an annual average rainfall of about 350 mm. Four cuttings were carried out during the growth period: 88, 121, 158, and 183 days after planting. Clover dry matter and N uptake obtained at the first cutting from the plots inoculated by an effective Rhizobium trifolii strain out- yielded those in the uninoculated plots by 39 and 36%, respectively. In four cuts inoculated clover:ryegrass mixture produced 11 880 kg ha-1 dry matter containing 2349 kg of crude protein, which was 11% more than inoculated clover grown alone. These figures were not significantly different from the yields of ryegrass fertilized with 500 kg N ha‘. The N2 fixation rates of clover plants grown in mixture with ryegrass were higher than in those planted as a monoculture. These results suggest that the depleted pool of soil nitrogen in intercrops enhanced the symbiotic N2 fixation of clover. © 1992 Taylor & Francis Group, LLC.