00720nam a2200169Ia 4500008004100000082002100041100003000062245002900092260004800121300001400169490005700183600002400240650016100264942000700425952010100432999001700533140224s9999 xx 000 0 und d a631.62(082.2) L4 aSchilfgarde, Jan Van, ed. aDrainage for agriculture aMadisonbAmerican Society of agronomyc1974 axxv,700p. aAmerican Society of Agronomy, Agronomy Series, no.17 aJan Van Schilfgarde aGrowth (Plant)-water requirements,Crop-yields-economic aspects,Drainage-mathematical models,Water flow-mathematical models,Soil moisture-mathematical models cBK 00104070aKSDbKSDd2014-02-24l0o631.62(082.2) L4p1268r2014-02-24 00:00:00w2014-02-24yBK c92612d92612