WATER REQUIREMENT AND PRODUCTION FUNCTION OF EUCALYPTUS (EUCALYPTUS CAMALDULENSIS DEHNH) IN ARID ENVIRONMENT

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RAD M.H.; ASAREH M.H.; MESHKAT M.A.; DASHTAKIAN KAZEM; SOLTANI MAHDI

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Journal: Iranian journal of Forest Year:2010 | Volume:2 | Issue:1 Page(s): 61-71

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Title

WATER REQUIREMENT AND PRODUCTION FUNCTION OF EUCALYPTUS (EUCALYPTUS CAMALDULENSIS DEHNH) IN ARID ENVIRONMENT

Author(s)

Keywords

EUCALYPTUS (E. CAMALDULENSIS DEHNH)Q3

EVAPOTRANSPIRATIONQ3

PRODUCTION FUNCTIONQ3

WATER USE EFFICIENCYQ3

DROUGHT STRESSQ2

Abstract

In Iran Eucalyptus (E. camaldulensis Dehnh) has been planted across a wide rang of environmental conditions. Despite of expantion of E. camaldulensis planting in wide rang of Iran, no study has been done about its water requirement. The objective of this study were to determine the EVAPOTRANSPIRATION (Et), PRODUCTION FUNCTION (PF) and WATER USE EFFICIENCY (WUE) of 3-year old plants under lysimetery conditions and different regimes of irrigation. The trials were carried out in Yazd Shahidsadoge control desert research station under drainage lysimeters with 121 cm diameter and 160 cm depth. The treatments were 100% (well watered),70% (medium stress) and 40% (high stress) field capacity (FC), With three replicate under complete randomize design. The results showed that EVAPOTRANSPIRATION dependend on soil water content and sufficient soil moisture (of the field capacity) can increase crop coefficient (Kc) up to 1.7. Total dry mass (stems, leaves and roots) also increases with increasing soil moisture. The higher the soil moisture, the higher the EVAPOTRANSPIRATION rate and plant PRODUCTION FUNCTION can be improved. WATER USE EFFICIENCY (dry mass/t) improved with increasing DROUGHT STRESS, so that treatments of 70% and 40% of field capacity showed significant difference with 100% of field capacity (P<0.05). However, the increase of DROUGHT STRESS from 70% to 40% of field capacity, showed no significant effect on WATER USE EFFICIENCY. The highest WATER USE EFFICIENCY belonged to 40% field capacity treatment with 2.5 g dry weight in kg water consumed in transpiration.

Cites

WATER REQUIREMENT AND WATER USE EFFICIENCY IN EUCALYPTUS FLOCKTONIAE (MAIDEN) MAIDEN AND E. LEUCOXYLON F. MUELL.

References

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APA: Copy

RAD, M.H., ASAREH, M.H., MESHKAT, M.A., DASHTAKIAN, KAZEM, & SOLTANI, MAHDI. (2010). WATER REQUIREMENT AND PRODUCTION FUNCTION OF EUCALYPTUS (EUCALYPTUS CAMALDULENSIS DEHNH) IN ARID ENVIRONMENT. IRANIAN JOURNAL OF FOREST, 2(1), 61-71. SID. https://sid.ir/paper/123170/en

Vancouver: Copy

RAD M.H., ASAREH M.H., MESHKAT M.A., DASHTAKIAN KAZEM, SOLTANI MAHDI. WATER REQUIREMENT AND PRODUCTION FUNCTION OF EUCALYPTUS (EUCALYPTUS CAMALDULENSIS DEHNH) IN ARID ENVIRONMENT. IRANIAN JOURNAL OF FOREST[Internet]. 2010;2(1):61-71. Available from: https://sid.ir/paper/123170/en

IEEE: Copy

M.H. RAD, M.H. ASAREH, M.A. MESHKAT, KAZEM DASHTAKIAN, and MAHDI SOLTANI, “WATER REQUIREMENT AND PRODUCTION FUNCTION OF EUCALYPTUS (EUCALYPTUS CAMALDULENSIS DEHNH) IN ARID ENVIRONMENT,” IRANIAN JOURNAL OF FOREST, vol. 2, no. 1, pp. 61–71, 2010, [Online]. Available: https://sid.ir/paper/123170/en

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