Table Of Content

Agricultural Water Management, 21 (1992) 335-336 © 1992 Elsevier Science Publishers B.V. All rights reserved. 0378-3774/92/$05.00 Contents Volume 21, 1992 Vol. 21 Nos. 1+2 JUNE 1992 A I EF iain cack iis eho seth cabitialcenaectetbieaiio ns Vv ch RR RELL MENS RN NR RENO PENN ae CLEA eI | LO Fre UE Be CRONE CO RO l International competition for water and motivations for dispute resolution i a Re I, Sa UT kasd cities ceeiiicds adele niente vain dstonedincsssousibicaunoeeareiess 3 Simultation oft ertiary unit efficiencies in large irrigation systems V.V.N. Murty, A.H. Azar, A. Sarwar and K. Sudsaisin (Bangkok, Thailand) .................. 13 Losses from low-pressure center-pivot irrigation systems in a desert climate as affected by nozzle height PE. PE ee CT TVG, Es ATIIIGR Yi sis siicincicisicdicccesiccnctiayesensvericsccrevenscrnchesavavcntoeeseas ae Future of irrigation in balanced third world development M.L. Albertson (Fort Collins, CO, USA) and H. Bouwer (Phoenix, AZ, USA).............. 33 Productive capacity of trenching and trenchless machines when laying subsurface drains FAS.S.. Ge Wake CW are, MOTCTIBIGS D oivsnicsciisssiisccccnsisrovccsscssvvasccszesstncnscevicivossaacsabienes 45 Sensitivity of agricultural drainage systems to changes in climatic inputs A.C. Armstrong, R. Arrowsmith and D.A. Castle (Cambridge, UK )....................ceeeeeeeeeee 57 A simple flow resistance model for the management of drainage/sub-irrigation systems T. Brandyk (Warsaw, Poland), P.B. Leeds-Harrison (Bedford, UK) and K. Skapski EET SR ORE TNE REL ae NN SONNE SEPCM Sor Oe CERT PERE SO) 1 ey mee OES 67 Estimating agricultural benefits from drainage over a relatively level terrain J.R.C. Robinson, R.D. Lacewell, J.R. Stoll and Roger Freeman (Karnal, India)............. 79 Effect on high salinity and SAR waters on salinization, sodication and yields of pearl- millet and wheat R.B. Singh, P.S. Minhas, C.P.S. Chauhan and R.K. Gupta (Karnal, India)..................... 93 Effect of salinity on water stress, growth and yield of broadbeans N. Katerji (Thiverval, France), J.W. van Hoorn (Wageningen, Netherlands), A. Hamdy, N. Bouzid, S. El-Sayed Mahrous and M. Mastrorilli (Bari, Italy) .................. 107 A rainfall simulator study ofi nfiltration into arable soils A. Wierda and A.W.L. Veen (Groningen, Netherlands ) ................ccccccccscsccsssscceresesseoeseoess 119 Estimation of water uptake pattern of groundnut (Arachis hypogaea L. ) ee os, cn sssnscstivnaretssansaderunnkeseptreouipsbbapnectruninspescntres 137 Computing the waterbalance of a small agricultural catchment in southern England by consideration of different land-use types. I. Land classification using remotely-sensed imagery G. Roberts, M. France and M. Robinson (Wallingford, UK) ...............cccseeeceeeeeeeeeeeeeeeeeees 145 Computing the water balance of a small agricultural catchment in southern England by consideration of different land-use types. II. Evaporation losses from different vegetation types Ce, Tears Oe AOE, Tarik CE, TID avccssisnccnicciccsscsisasnncvecsscoccccaccosstssccassessscens 336 CONTENTS VOL. 21, 1992 Vol. 21 No. 3 AUGUST 1992 Research Papers Effects of recession criteria on prediction of recession times in border irrigation models a er i. cut ockcdocandvnnesiuwitibdr cedeoiiassoominobewsbebetbeanisvesennanns 167 Statistical analyses of soil variability: effects of variability on level-basin irrigation of wheat D.J. Hunsaker and D.A. Bucks (Beltsville, MD, USA) ............ccccceccccccceeseeceeseeceeeeeeeeeeeeees 177 Modeling irrigation deliveries for tertiary units in large irrigation systems R.A.D. Kemachandra and V.V.N. Murty (Bangkok, Thailand) «0.0.0... eeeeeeeeeee eee e ee 197 Field verification of a microcomputer irrigation model N. Foroud, E.H. Hobbs, R. Riewe and T. Entz (Lethbridge, Alberta, Canada)................ 215 A simple model for extrapolating the electrical conductivity data of gypsum containg soils from reference soil extract data S.G.K. Adiku (Legon, Ghana), M. Renger and C. Roth (Berlin, FRG) ......................0 235 FURIE, EEA LAE SERA SATS ae Vira eet NSAIDS ROY ea eee TER FART OE SEES OF EO Relea a Ce 247 Vol. 21 No. 4 SEPTEMBER 1992 Research Papers Agricultural water balance of Yunnan Province, PR China: agroclimatic zoning with a Geopgraphical Information System RIES eT ricer ee RT RIED SRE TG TOTO er SORER NS SES RON Cea UTE 249 Infiltration characteristics of some clayey soils measured during border irrigation B.L. Maheshwari and N.S. Jayawardane (Australia) ................ccssseeesssseseeeeeeeeeceeeeeeeeeeeees 265 Sampling number and design for measurements of infiltration rates into puddled rice fields M.C.S. Wopereis, A. Stein, J. Bouma and T. Woodhead (The Netherlands ).................... 281 The effect of allocation and scheduling rules on equity and productivity in irrigation systems sic an UNI I 55s ssnanisnivndedinainndncionaendixcessenkannmeneoniesibnaaansyonens 297 Seasonal water balance of a sandy soil in Niger cropped with pearl millet, based on profile moisture measurements BOC. Mdaet (Pitmer > ariel Ge; Vacated ( Picea noiscccescnsicasiccedescieccscvescccaccscscessndecessocssosasevs 313