manage simple irrigation systems for agricultural applicationsto designmanage simple irrigation systems for agricultural applications
by 45 % to the gross domestic agricultural product , which creates 50 % of the job opportunities in the rural worldcontributedby 45 % to the gross domestic agricultural product , which creates 50 % of the job opportunities in the rural world
to reductionhas ledto reduction
severe depletion of Aquifer 23 which lies below the park and much of La Manchacausingsevere depletion of Aquifer 23 which lies below the park and much of La Mancha
to increase next yearsetto increase next year
significantlyhas ... contributedsignificantly
water pollution(passive) caused bywater pollution
to The Calendarleadsto The Calendar
historically low water levels , not years - long droughtis causinghistorically low water levels , not years - long drought
to increase by close to 21 percent over the next decadeare setto increase by close to 21 percent over the next decade
to declines in agricultural GDP , rural employment and incomesleadingto declines in agricultural GDP , rural employment and incomes
widespread salinization of soilshas causedwidespread salinization of soils
alsocontributesalso
to state organizationledto state organization
the water resources(passive) is ... influenced bythe water resources
to economic growthcontributesto economic growth
to more surplus which led to more need for administration which led to an organized group of surplus takers and production organizersledto more surplus which led to more need for administration which led to an organized group of surplus takers and production organizers
the over - abstraction of surface and ground waters ... with disastrous ecological effectscausesthe over - abstraction of surface and ground waters ... with disastrous ecological effects
directlycontributesdirectly
directlycontributesdirectly
when ... what types of irrigation do modern farms usewas ... inventedwhen ... what types of irrigation do modern farms use
what types of irrigation do modern farms useinventedwhat types of irrigation do modern farms use
to average losses of 55 %leadsto average losses of 55 %
alsohas ... resultedalso
alsoresultedalso
Reduce harmful land erosion(passive) caused byReduce harmful land erosion
the ground water to risecausedthe ground water to rise
global warmingcausesglobal warming
harmful land erosion(passive) caused byharmful land erosion
harmful land erosion(passive) caused byharmful land erosion