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    Un procedimiento de campo para medir la intensidad relativa de transpiración por Nijensohn, León, Grassi, Carlos J., Pilasi, Héctor

    Publicado 1963
    “…The percentual relationship between the time-measured in seconds take by the color shift bzought about by wet filter papel check, with respect to the time taken by the shift in color caused by leaf-disks, is denominated "Index of Relative Transpiration" (IRT) . …”
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    Influencia de la "cuota de riego" en la cantidad de agua almacenada en el suelo por Nijensohn, León, Grassi, Carlos J., Pilasi, Héctor

    Publicado 1960
    “…It is discussed the importance of the conclusions obtained in connection with: 1º the irrigation technique in zones of ample time periods between irrigations; 2º irrigation trials, when these are intended for obtaining moisture values of field capacity after each water application. …”
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    Influencia de algunos abonos orgánicos (con y sin materias grasas) sobre características físicas de suelos de regadio por Wainstein, Pedro, Nijensohn, León

    Publicado 1963
    “…Along with the decompositions of the organie. matter the hidraulic conductivity values inerease and, after 60 days of moist incubation, they become from 4 to 26 times higher than at the begining of the trial. The highest permeabilities were observed with (1) and (II) when, applied lo a loamy el.ay soil. 2) The fats of both (I) and (III) were reduced to 12-2.5 % and 4-9 % of their original content, after 60 and 120 days, respectively, of incubation. 3) The nitrogen losses after 60 and 120 days were, respectively, 1446 % and 33-66 %. …”
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