Search Results - S~

Refine Results
  1. Contribución al estudio del fósforo en suelos ácidos del noroeste de España. II. Relaciones entre valores representativos del P del suelo, obtenidos por incubación o agitación con solución 0.01 M de CaCl subíndice 2, y su absorción por trébol violeta by Arines, J, Alvarez, M.T.

    Published 2022
    “…P- adsorption uptake by red clover grown in an acid brown soil heavily fertilized 6 years before sampling, was correlated with soil P estimated after the procedure followed to obtain their adsorption isotherm, with the value X/logC proposed by Bache and Williams, and with the p extracted by shaking soil samples during 1 h with 0.01 M CaC12 solution. …”
    Get full text
    Artículo
  2. Estudio de la longevidad del polen de maíz (Zea mays L.) en el proceso de selección. by Carrillo Castañeda, G, Mendoza Arizmendi, J.L.

    Published 2022
    “…Comparing the values of half life of pollen, estimating the viability by the ability of pollen to font the pollentube under experimental conditions that allows to obtain up to 93 per cent viability, it was found that the highest half-life frequency observed was 285 minutes either in pollen from corn plants developed out of seeds from the 5th cycle of a mass selection process for drought resistance and in the original Zacatecas 58 cultivar The highest frequencies of abortion rates observed in the pollen samples were 2 and 3 for that of the original cultivar Zacatecas 58 and drought resistant selected plants.…”
    Get full text
    Artículo
  3. Balance de energía en soya (Glycine max L. Merr) by Junior, M.J.P, Villa Nova, N.A.

    Published 2022
    Subjects: “…BALANCE DE ENERGIA…”
    Get full text
    Artículo
  4. Uso de la isoterma de adsorción para evaluar requerimientos de fósforo, 3: Comparación con otros métodos. by Coronel, I, López-Hernández, D.

    Published 2022
    “…On the contrary, a method which define the P dose according to the fraction of the phosphorus maximum adsorption ( X max.) allows for a prediction between 90-99% in three of six cases. …”
    Get full text
    Artículo
  5. Efecto del nivel de cloruro de potasio en la formación de agallas en trasplantes de café y en la reproducción de Meloidogyne exigua by Santos, J.M. dos, Ferraz, S, Oliveira, L.M. de.

    Published 2022
    “…The effect of potassium chloride on Meloidogyne exigua in coffee transplants was studied under greenhouse conditions. The dosages were 0, 10, 20 and 30 g of KCI/pot of 4 1 capacity and each plant was inoculated with 5 000 eggs at transplanting time. …”
    Get full text
    Artículo
  6. Flujo de agua y COsub-índice 2 en plantas de papa sometidos a falta de agua by Klar, A.E.

    Published 2022
    Subjects: “…RESPUESTA DE LA PLANTA…”
    Get full text
    Artículo
  7. Sucesión forestal en una área desmontada en Suriname by Zwetsloot, H

    Published 2022
    “…En general, después de una extensión vigorosa de plantas anuales y de gramineas, ciperáceas y solanáceas arbustivas, se desarrolla en 23 años un bosque secundario de Cecropia obtusa, quen en 5 años alcanza su altura máxima de 17 m. …”
    Get full text
    Artículo
  8. Diferentes niveles de melaza y urea en el ensilaje de caña de azúcar (Saccharum officinarum L.) by Lara y Lara, Pedro E.

    Published 2014
    “…Tesis (Mag.Sc.) -- CATIE, Turrialba (Costa Rica) -- UCR, San José (Costa Rica), 1977…”
    Get full text
    Tesis

Search Tools: