Your search found 100 records
1 Moustafa, A. T. A.; Tinsley, R.L. 1984. Influence of soil properties on irrigation management in Egypt. Cairo, Egypt: Egypt Water Use and Management Project. vii, 66p. (EWUP technical report no.64)
Vertisols ; Clay minerals ; Subsurface drainage ; Seepage ; Soil water movement ; Water table ; Sandy soils / Egypt
(Location: IWMI-HQ Call no: 631.7.2 G232 MOU Record No: H0034)
On three of the four distributary canals studied by EWUP, the soils were mostly alluvial clay soil (vertisols) or a vertic subgroup of the entisols. The remaining distributary canal was all sandy Entisols. Vertisols are as oil order composed of heavy, clay soils containing large quantities of clay minerals which expand when wet and contract when dry. Irrigating these soils requires recognizing that the root penetration and measurable soil water changes are restricted to the top 40 cm. This limits the operational available water to 5 to 7 cm. The water infiltration rate during an irrigation can have a hundred fold decline during a 2 hour irrigation, ending with almost sealed conditions. This allows highly uniform application over a large area almost independent of available flow rate. Soil sealing requires a potential for surface drainage to prevent crop suffocation. After an irrigation, redistribution tends to be very slow, with the possibility in winter of it requiring 15 days for a wetting fringe to drain 30 cm. The high infiltration rates in the sandy soils make them basically unsuited for surface irrigation. It is therefore difficult to surface irrigate them efficiently. High water tables occur with large volumes of subsurface water flow. A de facto sub-irrigation system results in which farmers applying water to their field sub-irrigate their neighbors and vise-versa. Some farmers, far from the water source, actually receive more water than their crops required.
2 Tawfic, T. A.; Tinsley, R. L. 1984. Evaluation of farmers' irrigation practices in El-Hammami sands. Cairo: Egypt Water Use and Management Project. ix, 81p. (EWUP project technical report no.74)
Sandy soils ; On farm research ; Surface irrigation ; Irrigation design ; Irrigation practices ; Furrow irrigation / Egypt
(Location: IWMI-HQ Call no: 631.7.8 G232 TAW Record No: H035)
A study of three of the farms of El-Hammami area in El- Mansuriya region, Giza Governorate, was carried out to evaluate the irrigation of sandy soils. The on-farm irrigation practices in the area indicated that the farmers at the beginning of the canal apply more water than those at the end of the canal. The irrigation application efficiency of the farmers at the tail end of the canal was greater than that of the farmers at the beginning. The data also indicated that subsurface irrigation due to seepage from neighboring fields contributed substantially to crop water use. The study showed that surface irrigation might not be the best way to irrigate these sandy soils.
3 Said, S. 1995. Water balance of a trickle irrigation system on tin-tailings. In Lamm, F. R. (Ed.), Microirrigation for a changing world: Conserving resources/preserving the environment: Proceedings of the Fifth International Microirrigation Congress, Hyatt Regency Orlando, Orlando, Florida, April 2-6, 1995. St. Joseph, MI, USA: ASAE. pp.436-441.
Drip irrigation ; Water balance ; Lysimetry ; Sandy soils ; Soil moisture ; Crop yield ; Percolation / Malaysia
(Location: IWMI-HQ Call no: 631.7 G000 LAM Record No: H018884)
4 Agrawal, R. P.; Jhorar, B. S.; Dhankar, J. S.; Raj, M. 1987. Compaction of sandy soils for irrigation management. Irrigation Science, 8(4):227-232.
Irrigation management ; Sandy soils ; Permeability ; Water management ; Soil moisture / India / Haryana
(Location: IWMI-HQ Call no: PER Record No: H02922)
5 Abd El-Naim, M.; Elsaieed, M. A.; El-Awaidy, R.; El-Shall, M. Effect of fertilization and irrigation with sewage water on the nutrient uptake and yield of faba bean. Abstracts of studies. 5p.
(Location: IWMI-HQ Call no: P 580 Record No: H03480)
6 Al-Omran, A. M.; Mustafa, M. A.; Al-Darby, A. M.; Shalaby, A. A. 1991. Gel-conditioned barriers for water management of sandy soils. Irrigation Science, 12(1):7-12.
(Location: IWMI-HQ Call no: PER Record No: H07597)
7 Yamamoto, T. 1991. Application and characteristics of drip irrigation in sand fields of Japan: 1 - Practical studies on irrigation scheduling for drip irrigation method. Arid Land Research Centre's Annual Report 1990-91. pp.13-32.
(Location: IWMI-HQ Call no: P 1956 Record No: H08476)
8 Sriramany, C.; Goonasekera, K. G. A.; Jayasekera, A. A. 1991. A preliminary investigation of suitable low cost material for drip emitters. Agricultural Engineering, 3(1):25-31.
(Location: IWMI-HQ Call no: P 2048 Record No: H09092)
9 Ayars, J. E.; Hutmacher, R. B.; Steiner, J. J.; Mantel, A. B.; Vail, S. S. 1991. Irrigation of seeds carrots on a sandy loam soil. Irrigation Science, 12(4):193-198.
(Location: IWMI-HQ Call no: PER Record No: H09307)
10 Robinson, F. E. 1985. Root restriction in new sandy fields with biwall and sprinklers. In Drip/trickle irrigation in action: Proceedings of the Third International Drip/Trickle Irrigation Congress, Centre Plaza Holiday Inn, Fresno, California, USA, 18-21 November 1985. Vol. II: St. Joseph, MI, USA: ASAE. pp.749-754.
(Location: IWMI-HQ Call no: 631.7.1 G000 DRI Record No: H09669)
11 Sharma, D. P.; Singh, K. N.; Rao, K. V. G. K.; Kumbhare, P. S. 1992. Irrigation of wheat with saline drainage water on a sandy loam soil. Agricultural Water Management, 19(3):223-233.
(Location: IWMI-HQ Call no: PER Record No: H010031)
12 Sharma, R. B.; Pandey, R. 1992. Tillage management for reducing water requirements of paddy in a sub-tropic sandy loam of North-Bihar, India. In Murty, V. V. N.; Koga, K. (Eds.) Soil and water engineering for paddy field management: Proceedings of the International Workshop on Soil and Water Engineering for Paddy Field Management, 28-30 January 1992. Bangkok, Thailand: AIT. pp.252-257.
(Location: IWMI-HQ Call no: 631.7.2 G000 MUR Record No: H010869)
13 Klaij, M. C; Vachaud, G. 1992. Seasonal water balance of a sandy soil in Niger cropped with pearl millet, based on profile moisture measurements. Agricultural Water Management, 21(4):313-330.
(Location: IWMI-HQ Call no: PER Record No: H011191)
14 Sharma, D. P.; Singh, K. N.; Rao, K. V. G. K.; Kumbhare, P. S. 1990. Reuse of saline drainage water for irrigation in a sandy loam soil. In Symposium on Land Drainage for Salinity Control in Arid and Semi-arid Regions, Cairo, Egypt, 25 February - 2 March 1990. Vol.3: Presented papers. Session III - Session IV - Session V. Cairo, Egypt: Ministry of Public Works and Water Resources. pp.304-312.
(Location: IWMI-HQ Call no: 631.7.2 G000 SYS Record No: H011348)
15 Ishida, H.; Vibulsukh, N.; Chairoj, P.; Boonyong, B.; Morakul, P.; Wongwiwatchai, C. 1993. Techniques to improve productivity of the sandy upland soil in Northeast Thailand. Khon Kaen, Thailand: Agricultural Development Research Center. 45p. (Technical paper no.10)
(Location: IWMI-HQ Call no: 631.4 G750 ISH Record No: H012395)
16 Minhas, P. S.; Naresh, R. K.; Chauhan, C. P. S.; Gupta, R. K. 1994. Field determined hydraulic properties of a sandy loam soil irrigated with various salinity and SAR waters. Agricultural Water Management, 25(2):97-108.
(Location: IWMI-HQ Call no: PER Record No: H014265)
17 Clemente, R. S.; De Jong, R.; Hayhoe, H. N.; Reynolds, W. D.; Hares, M. 1994. Testing and comparison of three unsaturated soil water flow models. Agricultural Water Management, 25(2):135-152.
Evaporation ; Models ; Leaching ; Sandy soils ; Clay soils ; Evapotranspiration ; Soil water relations / Canada
(Location: IWMI-HQ Call no: PER Record No: H014268)
18 Liu, Y.; Steenhuis, T. S.; Yves Parlange, J. 1994. Closed-form solution for finger width in sandy soils at different water contents. Water Resources Research, 30(4):949-952.
(Location: IWMI-HQ Call no: PER Record No: H014676)
19 Frielinghaus, M.; Frielinghaus, M. 1993. Design and layout of shelter belts in large-area sprinkler-irrigation plants. In ICID, 15th International Congress on Irrigation and Drainage, The Hague, The Netherlands, 1993: Water management in the next century. Transactions: Vol.1-A, Question 44, RI-R35: Planning and design of irrigation and drainage systems. pp.109-118.
(Location: IWMI-HQ Call no: ICID 631.7 G000 ICI Record No: H015070)
20 Kunz, H. 1993. Impact of drainage on the ground water of inner tidal regions. In ICID, 15th International Congress on Irrigation and Drainage, The Hague, Netherlands, 1993: Water management in the next century: Transactions: Vol.1-C, Question 44, R73-R103: Planning and design of irrigation and drainage systems. New Delhi, India: ICID. pp.1123-1133.
(Location: IWMI-HQ Call no: ICID 631.7 G000 ICI Record No: H015344)
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