v.24, n.4, abr. 1989

Published: 2014-04-17

AGROMETEOROLOGY

ECONOMICS

  • Samples designs for agricultural surveys by the maximum efficiency stratification.

    José Roberto Vicente, Milton Nogueira de Camargo, Rubens Ferracioli Peres
    393-397
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15517

FERTILIZATION

  • Evaluation of nitrogen transfer from nodulate alfafa to associated grasses under field conditions.

    Hélio A. Burity, Mohamaed A. Faris, Bruce E. Coulman, Trung C. Ta
    399-407
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15518

  • Effect of liming on chemical coniposition, physiologic quality and field performance of beans seed

    Rogério Faria Vieira
    409-415
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15519

  • Effecf of arganic matter, simple superphosphate and potassium chloride on the formation of seedlings of the yellow passion fruit

    José Ricardo Peixoto, Thadeu de Pádua
    417.422
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15520

  • The effectiveness of three phosphorus sources for pasture fertilization in a cerrado soil

    Walter Couto, Gilberto Leite, Cláudio Sanzonowicz
    423-430
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15521

  • Pigmentation and mineral composition of different Azolla species.

    Alaídes Puppin Ruschel, Austrelino Silveira Filho, Alberto Baeta dos Santos, Francisco José P. Zimmermann
    431-436
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15522

PLANT PHYSIOLOGY

  • Nitrate reductase activity in sugarcane leaves in function of variations in the assay conditions.

    Luiz Edson Mota de Oliveira, Antonio Celso Novaes Magalhães
    437-443
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15556

  • Competition of weeds with upland rice in Ouro Preto D'Oeste, RO, Brazil.

    Diógenes M. Pedroza de Azevedo, Newton de Lucena Costa, Reinaldo de Paula Ferreira
    445-449
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15557

  • Relative cantribution of the seed coat, cotyledons and embryo for total seed dry matter of soybean.

    José Antonio Costa, Lauro Marino Wollmann
    451-453
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15558

  • Leaf area evolution and grain fulling period duration of three maize hybrids on two seeding dates

    Valter Cauby Endres, Claudio Mario Mundstock
    455-459
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15559

  • Iniluence of water deficit on flowering and technological quality sugarcane.

    Marisa Vazquez Carlucci, Maria Tereza Baraldi Ramos
    461-466
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15560

GENETICS

  • Genetic and environmental factors on age at first calving of Gir cows.

    Alcides de Amorim Ramos, Rinaldo Polastre, Jaime Laperuta Filho
    467-475
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15566

SOIL SCIENCE

  • Liming on dry matter yield and mineral composition of sarghum in a Low Humic Gley soil.

    Miralda Bueno de Paula, Francisco Dias Nogueira, Hélio Lopes dos Santos
    477-482
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15563

  • Permanent soil covers on rainfall erosion

    Renato Antonio Dedecek
    483-488
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15564

  • Iron scoria as carrectives of soil acidity. II. Greenhouse experiments

    Victor Gonçalves Bahia
    489-494
    DOI: https://doi.org/10.1590/S1678-3921.pab1989.v24.15565