Your search found 549 records
1 Svendsen, M. T. 1983. Water management strategies and practices at the tertiary level: Three Philippine irrigation systems. xii, 294 p.
Pumps ; Land management ; Water allocation ; Irrigation systems ; Governmental interrelations ; Water supply ; Rice ; Water stress ; Equity ; Irrigation design / Philippines
(Location: IWMI-HQ Call no: 631.7.6.2 G732 SVE Record No: H0116)
2 de Datta, S. K.; Abilay, W. P.; Kalwar, G. N. 1975. Water stress effects in flooded tropical rice. In International Rice Research Institute, Water management in Philippine irrigation systems: Research and operations (pp. 19-36). Los Banos,Laguna, Philippines: International Rice Research Institute.
(Location: IWMI-HQ Call no: 631.7.6 G732 INT Record No: H07)
Moisture stress often limits economical and stable yields of rainfed rice. On the montmorillonitic Maahas clay soil, grain yields of IR8 were less sensitive to growth stage at which moisture stress occurred and more sensitive to intensity and duration of moisture stress, while the tall variety, H-4,was sensitive to moisture stress during the reproductive and ripening stages as well as to intensity and duration of moisture stress. Our data indicate that moisture stress effects should be related to variety rather than to varietal type growth characteristics of rice varieties. The growth duration of rice varieties were increased with increased stress level and the relationships between moisture stress and stage of the crop may depend on growth duration of the variety among other factors. Current results indicate that soil moisture tension as low as 15 cb was enough to reduce grain yield of rainfed flooded (lowland) rice. Part of the reduction in grain yield due to the loss of nitrogen under alternately dry and wet conditions which prevailed in the plots subjected to various stress levels. The improved varieties, IR20, IR22, and IR24, consistently out yielded the traditional varieties Peta, Sigadis, and Intan, at all stress levels up to 33 cb. At most stress levels, however, the grain yields were higher with higher nitrogen levels, and more so with improved varieties than with traditional varieties.
3 Reyes, R. D. 1975. An analysis of some factors affecting rice yield response to water. In International Rice Research Institute. Water management in Philippine irrigation systems: research and operations. Los Banos, Laguna, Philippines: International Rice Research Institute (IRRI). pp.37-52.
(Location: IWMI-HQ Call no: 631.7.6 G732 INT Record No: H08)
Yield response data from 3 dry season experiments were put together in an attempt to explain the field performance of some improved varieties. The analysis for IR5 and several other varieties shows the potential for developing varieties that could effectively respond to high nitrogen levels even under conditions of poor water supply. The analysis brings out short growth duration, vegetativeness, and high fertilizer efficiency as three criteria for varietal selection against drought. For inadequately irrigated areas, relatively higher yields are associated with climatic factors that contribute to low evaporative demand conditions.
4 Schouten, H. 1985. Description of computer programme on irrigation scheduling (I.S.P.) Rome, Italy: FAO. Land and Water Management Division. [58 p.]
(Location: IWMI-HQ Call no: 631.7 G000 SCH Record No: H0533)
5 Stockle, C.; Campbell, G. 1985. A simulation model for predicting effect of water stress on yield: An example using corn. In D. Hillel, Advances in irrigation. Vol. 3 (pp. 284-310). Orlando, FL, USA: Academic Press.
(Location: IWMI-HQ Call no: 631.7 G000 HIL Record No: H01806)
6 Sing, S. R.; Saini, A. K. 1986. A two dimensional finite element model for saturated unsaturated flow. In Regional Workshop on Groundwater Modelling, Roorkee, 12-17 December 1986. Roorkee, India: Water Resources Development Training Center, University of Roorkee. pp.21-42.
(Location: IWMI-HQ Call no: 631.7.6.3 G635 REG Record No: H02936)
7 Miller, D. E. 1987. Effect of subsoiling and irrigation regime on dry bean production in the Pacific northwest. Soil Science Society of America Journal, 51(3):784-787.
(Location: IWMI-HQ Call no: PER Record No: H02994)
8 American Society of Agricultural Engineers. 1981. Irrigation scheduling for water and energy conservation in the 80's. St. Joseph, MI, USA: ASAE. v, 231 p. (ASAE publication 23-81)
Irrigation scheduling ; Water conservation ; Energy ; Water stress ; Evapotranspiration ; Crops ; Computer software
(Location: IWMI-HQ Call no: 631.7.1 G000 AME Record No: H03355)
9 Ponnambalam, K.; Adams, B. J. 1985. Models for stress coefficient due to moisture deficit and irrigation scheduling. In American Society of Agricultural Engineers, Advances in evapotranspiration: Proceedings of the National Conference on Advances in Evapotranspiration, Chicago, Illinois, 16-17 December 1985. St. Joseph, MI, USA: ASAE. pp.268-275. (ASAE publication 14-85)
(Location: IWMI-HQ Call no: 631.7.5 G000 AME Record No: H03347)
10 Tekinel, O. 1978. Water stress and its implications (irrigation) in the future of agriculture. Adana, Turkey: University of Cukurova. 17p.
(Location: IWMI-HQ Call no: 631.7.2 G000 TEK Record No: H03391)
Reprinted from Scott, T. K. (Ed.), Proceedings of a NATO Advanced Study Institute on "Plant regulation and world agriculture", Izmir, Turkey, 21-30 September 1978. New York, NY, USA: Plenum Press
11 Hatfield, J. L. 1981. Irrigation scheduling with thermal infrared and spectral remote sensing inputs. In American Society of Agricultural Engineers, Irrigation scheduling for water and energy conservation in the 80's. St. Joseph, MI, USA: ASAE. pp.10-17. (ASAE publication 23-81)
(Location: IWMI-HQ Call no: 631.7.1 G000 AME Record No: H03371)
12 Boggess, W. G.; Jones, J. W.; Swaney, D. P.; Lynne, G. D. 1981. Evaluating irrigation strategies in soybeans: A simulation approach. In American Society of Agricultural Engineers, Irrigation scheduling for water and energy conservation in the 80's. St. Joseph, MI, USA: ASAE. pp.45-53. (ASAE publication 23-81)
(Location: IWMI-HQ Call no: 631.7.1 G000 AME Record No: H03374)
13 English, M.; Glenn, M.; VanSickle, J. 1981. Scheduling for optimum water use. In American Society of Agricultural Engineers, Irrigation scheduling for water and energy conservation in the 80's. St. Joseph, MI, USA: ASAE. pp.61-71. (ASAE publication 23-81)
Irrigation scheduling ; Crops ; Water use efficiency ; Water requirements ; Indicators ; Water stress ; Irrigation practices
(Location: IWMI-HQ Call no: 631.7.1 G000 AME Record No: H03376)
14 Slack, D. C.; Geiser, K. M.; Stange, K. W.; Allred, E. R. 1981. Irrigation scheduling in subhumid areas with infrared thermometry. In American Society of Agricultural Engineers, Irrigation scheduling for water and energy conservation in the 80's. St. Joseph, MI, USA: ASAE. pp.116-124. (ASAE publication 23-81)
(Location: IWMI-HQ Call no: 631.7.1 G000 AME Record No: H03381)
15 Dutta, S. C.; Sarkar, R. I. 1986. Water use and management in four selected minor irrigation schemes. In Multidisciplinary Research Team, Bangladesh Agricultural University, Water market in Bangladesh: Inefficient and inequitable? Mymensingh, Bangladesh: Bangladesh Agricultural University. pp.72-95.
Small scale systems ; Irrigation Programs ; Water use efficiency ; Water management ; Water distribution ; Water loss ; Water stress ; Pumps ; Irrigation efficiency / Bangladesh
(Location: IWMI-HQ Call no: 631.7.4 G584 MUL Record No: H03460)
16 Sarkar, R. I.; Hussain, D.; Dutta, S. C. 1986. Determination of plough pan and estimation of water requirements for land soaking and land preparation for four selected irrigation schemes. In Multidisciplinary Research Team, Bangladesh Agricultural University, Water market in Bangladesh: Inefficient and inequitable? Mymensingh, Bangladesh: Bangladesh Agricultural University. pp.110-121.
Land management ; Water stress ; Rice ; Soil moisture ; Water conservation ; Irrigation practices ; Water requirements ; Irrigation programs / Bangladesh
(Location: IWMI-HQ Call no: 631.7.4 G584 MUL Record No: H03462)
17 Merriam, J. L. 1966. A management control concept for determining the economical depth and frequency of irrigation. Transactions of the ASAE, 9(4):492- 498.
Irrigation management ; Economic aspects ; Soil moisture ; Water stress ; Crop production ; Water use ; Salinity ; Irrigation practices
(Location: IWMI-HQ Call no: P 1197 Record No: H03868)
18 Maurya, P. R. 1981. Effect of water table depth and tillage on plant water status and yield of rice. Plant and Soil, 59:17-22.
Rice ; Tillage ; Soil-water-plant relationships ; Evapotranspiration ; Drought ; Water stress ; Drainage ; Water table
(Location: IWMI-HQ Call no: P 1196 Record No: H03914)
19 Cablayan, D.; Wickham, T. 1978. Modeling the performance of two crops of rainfed rice. Paper presented at the 1978 Summer Meeting of the American Society of Agricultural Engineers, 27-30 June, Logan UT, USA. 14p.
(Location: IWMI-HQ Call no: P 163 Record No: H04006)
20 Rao, N. H.; Sarma, P. B. S.; Chander, S. 1988. A simple dated water-production function for use in irrigated agriculture. Agricultural Water Management, 13(1):25-32.
Water availability ; Irrigated farming ; Optimization methods ; Water stress ; Irrigation management ; Yield response functions
(Location: IWMI-HQ Call no: PER Record No: H04255)
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