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797,821 research outcomes, page 1 of 79,783
  • publication . Article . 2017
    Restricted
    Authors:
    Hannie Kooyman-van Blokland; Herman van Dam;
    Publisher: Wiley

    The diatoms of plankton samples taken between 1916 and 1929 and in 1975 from shallow pools, which were originally oligotrophic, are compared. Data about the past and present distribution of macrophytes were gathered from the literature and by field studies. Eutrophicati...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Garam An; Hahyun Park; Gwonhwa Song; Whasun Lim;
    Persistent Identifiers
    Publisher: The Korean Society of Animal Reproduction and Biotechnology

    Dimethachlor is a synthetic herbicide, belonging to the chloroacetanilide group, that inhibits the undesirable growth of weeds via the suppression of very longchain fatty acid synthesis. Although dimethachlor has been shown to run off from agricultural fields into aquat...

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  • publication . Article . 2018
    Open Access
    Authors:
    Khanitta Nuntaboot; Nisachon Bubpa;
    Persistent Identifiers
    Publisher: Emerald

    <jats:sec> <jats:title content-type="abstract-subheading">Purpose</jats:title> <jats:p>Due to the increasing population and diverse lifestyles of aging people in Thailand, close examination of their needs and health care problems is required. Availability and accessibil...

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  • publication . Article . Book . 2010
    Open Access
    Authors:
    Pete Smith; David S. Reay; A.R. van Amstel;
    Publisher: New Zealand Grassland Association

    Methane is a powerful greenhouse gas and is estimated to be responsible for approximately one-fifth of man-made global warming. Per kilogram, it is 25 times more powerful than carbon dioxide over a 100-year time horizon -- and global warming is likely to enhance methane...

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  • publication . Article . Other literature type . 2014
    Open Access
    Authors:
    Quanjiu Wang; Jun Fan; Jun Fan; QiuPing Fu; QiuPing Fu; XinLei Shen;
    Persistent Identifiers
    Publisher: Springer Science and Business Media LLC

    Optimal use of water and fertilizers can enhance winter wheat yield and increase the efficiencies of water and fertilizer usage in dryland agricultural systems. In order to optimize water and nitrogen (N) management for winter wheat, we conducted field experiments from ...

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  • publication . Report . 1965
    Open Access Dutch; Flemish
    Authors:
    Anonymous,;
    Publisher: L.E.I.
  • publication . Other literature type . Article . 2012
    Open Access French
    Authors:
    Mohamed Blaghen; Naima Khlil; Mohamed Loutfi; Abderrahim Naamane; Fatiha Zidane;
    Persistent Identifiers
    Publisher: Université du Québec - INRS-Eau, Terre et Environnement (INRS-ETE)

    L’approvisionnement en eau potable de la ville de Casablanca, capitale économique et industrielle du Maroc, est assuré en grande partie par les eaux du réservoir de stockage Tit Mellil alimenté par les eaux traitées provenant de la retenue de barrage Sidi Mohammed Ben A...

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  • publication . Other literature type . Article . 1990
    Restricted
    Authors:
    R. G. Rastogi; J. A. Klobuchar;
    Persistent Identifiers
    Publisher: American Geophysical Union (AGU)

    This paper describes some new results on the day-to-day behavior of the location of the equatorial anomaly in the columnar electron content. The measurements were made from a unique network of stations covering dip latitudes from 0°N to 25°N during the period in 1975–19...

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  • publication . Article . 1930
    Open Access
    Authors:
    Vladimir Ivanovitch Vernadsky;
    Persistent Identifiers
    Publisher: PERSEE Program

    Vernadsky Vladimir Ivanovitch. Sur la classification et sur la composition chimique des eaux naturelles. In: Bulletin de la Société française de Minéralogie, volume 53, 1-6, 1930. contenant le Livre jubilaire publié à l'occasion du cinquantenaire de la Société. pp. 417-...

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  • publication . Part of book or chapter of book . 2020
    Restricted English
    Authors:
    Alain Ratnadass;
    Persistent Identifiers
    Publisher: Springer

    Pests, diseases and weeds are major constraints to cropping system intensification in sub-Saharan Africa. Four major intensification systems to achieve sustainable agriculture have been identified: conventional with high input, organic, agroecological and eco-technical ...

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797,821 research outcomes, page 1 of 79,783