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1 Kanber, R.; Tekinel, O.; Bastug, R.; Onder, S.; Baytorun, N.. 1989. Peanut yield as affected by deficit irrigation, soil texture, sowing date and irrigation interval. In Rydzewski, J. R.; Ward, C. F. (Eds.) Irrigation theory and practice. Proceedings of the International Conference, University of Southampton, 12-15 September. London: Pentech Press. pp.461-470.

Groundnuts ; Soil-water-plant relationships ; Irrigation water ; Evapotranspiration ; Crop yield ; Water deficit

(Location: IWMI-HQ Call no: 631.7 G000 RYD Record No: H07537)

Measurements of yield and evapotranspiration (Et) were made under deficit irrigation conditions. In two locations, field studies were conducted for two years using two different soil textures, sowing dates and irrigation intervals. The amount of irrigation water was calculated using pan evaporation and pan coefficients which ranged from 0,40 to 1.00 increasing by 0,10 per treatment. Evapotranspiration was estimated by the water balance method. It was found that there was a strong linear relation between Et and yield. Peanut yield ranged from 170 kg/da to 667 kg/da depending on the treatments. Water production function, the relationship between relative decrease in yield, and relative Et, was also found. Yield response factors, ky, were higher in the light soil and the late sowing than in the heavy texture and early sowing. In addition it was demonstrated that the coefficients used to estimate Et and yield of peanut were not representative of the region's conditions.

2 Tekinel, O.; Kanber, R.; Onder, S.; Baytorun, N.; Bastug, R. 1989. The effects of trickle and conventional irrigation methods on some crops' yield and water use efficiency under ukurova conditions. In Rydzewski, J. R.; ward, C. F. (Eds.) Irrigation theory and practice. Proceedings of the International Conference, University of Southampton, 12-15 September. London: Pentech Press. pp.641-651.

Drip irrigation ; Crop yield ; Irrigation design ; Evaluation ; Sprinkler irrigation / Turkey / Adana / Tarsus / Alanya

(Location: IWMI-HQ Call no: 631.7 G000 RYD Record No: H07549)

The effects of trickle and other conventional irrigation methods on the yields of tomato, strawberry, citrus and banana, and water-use efficiency have been evaluated in this study. Experiments were conducted at various locations of different soil properties in ukurova. According to the results from experiments, it was defined that the highest from drip irrigation in old orange (25 years old) and lemon, however, there was no increase in yield from irrigation methods used in experiment. In commercial application, yield increased 27 per cent and the discarded yield decreased 5 per cent with drip irrigation as compared to other methods. Using the drip irrigation, 50 per cent of irrigation water was saved in banana; however, there was no increase in the yield from irrigation methods.