Scientific Aspects of Irrigation Schemes: A Royal Society Discussion |
Contents
J HENNESSY | 193 |
N J COCHRANE | 211 |
G R HOFFMAN AND R F STONER | 217 |
Copyright | |
10 other sections not shown
Common terms and phrases
achieved agric alfisol applied arid lands Asia Bangladesh Baños calcium canal clay constraints costs crop production cultivation developing countries disease distributary drainage drip irrigation drought dry matter economic effects efficiency electrolyte evaporation evapotranspiration example exchangeable sodium factors farm fertilizer figure flooded growth ha¯¹ hectare humid important improved increase Indonesia inputs interaction ions irrigated agriculture irrigated area irrigated crop irrigation development irrigation schemes irrigation systems irrigation water labour leaching Los Baños maize maximum methods montmorillonite nitrogen nutrients operation particles Penman percentage permeability pest Philippines photosynthesis plant breeding population problems Quirk rain-fed rainfall ratio reduced relation result rice rice production Rothamsted Rothamsted Experimental Station salinity salt season sector sodium solution sorghum sprinkler Stanhill surface threshold concentration transpiration tropical tube-well upland uptake varieties vertisol water management water stress water supply wheat World Bank yield potential