00584nam a22002057a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082002100102111008400123245001500207260005200222300002200274650002800296650003300324700002100357CHAP20220329133729.0971013s1992 r 10010 d a10061 a11033 a10271 cCHAP a630.094bC6 199200aCongress of the European Society for Agronomy (n2d: 1992c: Warwick, England) aProceeding aWarwick :bEuropean Society for Agronomy,c1992 a437 p.b; gráfs14aAgriculturaxCongresos.14aAgriculturaxEuropazEuropa.0 aScaife, Alaneed