אסיף מאגר המחקר החקלאי

Herbage production of Mediterranean grassland under seasonal and yearlong grazing systems

Year:

1990

Source of publication :

Authors :

Volume :

43

Co-Authors:

Gutman, M., Dept Natural Resources, Agric Res Organization, Bet Dagan, Jerusalem, Israel
Seligman, N.G., Dept Natural Resources, Agric Res Organization, Bet Dagan, Jerusalem, Israel
Noy-Meir, I., Dept Natural Resources, Agric Res Organization, Bet Dagan, Jerusalem, Israel

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Abstract:

Data from grazing experiments conducted over 7 yr in Lower Galilee, Israel, were used to calculate forage consumption by herds of beef cattle maintained at different stocking rates and in different grazing systems. Production of dry herbage mass varied between 2600-3800 kg/ha, (mean and SD=3060 ± 300 kg/ha. While variation between years was relatively small but significant, the effect of stocking rate or grazing system (seasonal, yearlong) was smaller and not significant. The attained level of herbage production of Mediterranean grassland on relatively shallow basaltic protogrumosols is not sensitive to total precipitation over a very wide range or to grazing system. It may be dependent on the availability of nutrients, especially N, and the seasonal distribution pattern of available soil moisture in a restricted rooting zone. -from Authors

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