STUDY ON AMOUNT OF TRANSPIRATION IN SOME OF RANGELAND SPECIES

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SADEGHI S.H.R.; RAHIM ZADEH HOLAGH NAHID

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Journal: Year:2007 | Volume:20 | Issue:3 (76 IN NATURAL RESOURCES) Page(s): 186-192

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Information Journal Paper

Title

STUDY ON AMOUNT OF TRANSPIRATION IN SOME OF RANGELAND SPECIES

Author(s)

SADEGHI S.H.R. | RAHIM ZADEH HOLAGH NAHID | Issue Writer Certificate

Keywords

TRANSPIRATIONQ2

WEIGHTING METHODQ3

AGROPYRON INTERMEDIUMQ3

FESTUCA OVINAQ3

VICIA VILOCEAQ3

AGROPYRON ELENGUTUM AND BROMUS INERMISQ3

RANGE MANAGEMENTQ3

Abstract

In order to study the amount of TRANSPIRATION in rangeland species of AGROPYRON ELENGUTUM AND BROMUS INERMIS, seeds of these species were planted in five replications in small vases with the upper area of 50.27 cm2 and under a relatively natural condition and adjacent to five control vases. The study was conducted in College of Natural Resources and Marine Sciences at Tarbait Modares University. The TRANSPIRATION rates were then determined by WEIGHTING METHOD considering the amount of water used for irrigation and evaporated from plant-free vases for 33 days during Spring 2004. The weight of these vases was measured by 0.0001 accuracy balance. The diurnal changes of TRANSPIRATION in above species, their statistical differences and evaluation of effects of humidity and air temperature on TRANSPIRATION were respectively analyzed by Excel software, ANOVA, Dunkan test and regression method in SPSS software package. The results of the study confirmed differences in TRANSPIRATION rates during this period and significant difference was also achieved among species in number of plants and dry matter as well. The most and the least amount of TRANSPIRATION was also recorded for AGROPYRON INTERMEDIUM and Bromus inermis at the rate of 59.79 and 31.22 milliliter per gram dry matter which clearly verified the minimum and the maximum water efficiency at 1% level of significance, respectively. The results of regression analysis also indicated the linear relationship between TRANSPIRATION and humidity concerning the mentioned species and under study region.

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APA: Copy

SADEGHI, S.H.R., & RAHIM ZADEH HOLAGH, NAHID. (2007). STUDY ON AMOUNT OF TRANSPIRATION IN SOME OF RANGELAND SPECIES. PAJOUHESH-VA-SAZANDEGI, 20(3 (76 IN NATURAL RESOURCES)), 186-192. SID. https://sid.ir/paper/19997/en

Vancouver: Copy

SADEGHI S.H.R., RAHIM ZADEH HOLAGH NAHID. STUDY ON AMOUNT OF TRANSPIRATION IN SOME OF RANGELAND SPECIES. PAJOUHESH-VA-SAZANDEGI[Internet]. 2007;20(3 (76 IN NATURAL RESOURCES)):186-192. Available from: https://sid.ir/paper/19997/en

IEEE: Copy

S.H.R. SADEGHI, and NAHID RAHIM ZADEH HOLAGH, “STUDY ON AMOUNT OF TRANSPIRATION IN SOME OF RANGELAND SPECIES,” PAJOUHESH-VA-SAZANDEGI, vol. 20, no. 3 (76 IN NATURAL RESOURCES), pp. 186–192, 2007, [Online]. Available: https://sid.ir/paper/19997/en

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