G. González, Jesús Treviño Muñoz, E. Zaera
Durante tres años (1968, 69 y 70) se han comparado los rendimientos en sustancia seca por hectárea de siembras puras en líneas de los cultivares Aragón y Du Puits y en asociación (líneas alternas) con Dactylis glomerata Frode y Phalaris tuberosa I.N.I.A. Los rendimientos de las asociaciones fueron mayores que los de las gramíneas (significativo P
During the three years (1968-70) yields (D.M./Ha) of the associations were always higher than the puré stands of both grasses and lucerne cultivars. The differences were significant (P <^ 0,05) with the former. In the altérnate sowns with Dactylis the weight of du Puits was always significatively higher (P <^ 0,05) than the weight of Aragón, taken D.M./Ha. yields of the associations as a whole. In the altérnate sowns with Phalaris the proportion of du Puits was only significatively higher than the proportion of Aragón the first year (1968).
The puré stands and the associations gave máximum yields the second year (1969).
The proportion of lucerne D.M. in the altérnate sowns decreased progresively from the first year.
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