Abstract
SUMMARY Hundred fifty farms were randomly selected in three governorates ( fifty per each). The objective of the study was to assess Dairy Buffalo Water Efficiency (DBWE) compared with Crop Water Efficiency (CWE) in the three governorates. The selected farms represent two mixed farming systems (buffalo – rice base system) for El-Beheira (B) and Kafer El-Sheikh (K) and (buffalo - sugar cane base system) for Qena (Q). Questionnaire was designed and pre tested on limiting groups of farms in the three studied areas. Data were collected through farmer's interview to find out land use, buffalo management and water used in dairy buffalo production. Water was calculated for animal and crop production and services to measure DBWE and CWE. Results showed that dairy buffalo revenues /m 3 were LE. 3.63, LE. 3.89 and LE. 5.05/m 3 for Kafer El-Skeikh, Qena and El-Beheira, respectively. Meanwhile, rice production in Kafer El-Skeikh and El-Beheira were LE. 0.59 and LE. 0.30 /m 3 and sugar cane was LE.1.38/m 3 in Qena. Corn revenues were LE. 0.63, LE. 0.41 and LE. 0.46/m 3 in K, Q and B, respectively. Revenues for winter crops in delta were LE. 2.30, LE. 1.19 and LE. 2.11 per m 3 for wheat for the same governorates, respectively and LE. 0.19 for bean in El-Beheira. In view of the results it could be concluded that milk production has better water efficiency compared to cash crops.
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