Showing 561 - 580 results of 1,174 for search 'BioTime~', query time: 2.14s Refine Results
  1. 561

    About the Evaluations of the Environmental Protection Activities’ Effectiveness by Michail Michailov

    Published 2022-12-01
    “…The science of ecology usually deals with such concepts as biotic, abiotic, and anthropogenic factors. They should account for the specific conditions, impacts, and effects on ecosystems. …”
    Get full text
    Article
  2. 562

    Field Corn Production Problems: A Diagnostic Guide by David Wright, Jim Rich

    Published 2004-03-01
    “…These factors can be in the form of insects, diseases, nematodes and weeds (biotic); or, they can be factors such as weather, nutrients, or chemicals (abiotic). …”
    Get full text
    Article
  3. 563
  4. 564
  5. 565
  6. 566
  7. 567
  8. 568
  9. 569
  10. 570
  11. 571
  12. 572
  13. 573

    Principles of Agronomy for Sustainable Agriculture /

    Published 2016
    Table of Contents: “…Control of weeds and other biotic factors -- Chapter 31. Application of herbicides and other biotic control agents -- Chapter 32. …”
    View in OPAC
    Electronic eBook
  14. 574

    In Vitro and In Vivo Evaluation of Sorghum (Sorghum bicolor L. Moench) Genotypes for Pre- and Post-attachment Resistance against Witchweed (Striga asiatica L. Kuntze) by V. O. Gwatidzo, J. T. Rugare, S. Mabasa, R. Mandumbu, J. Chipomho, S. Chikuta

    Published 2020-01-01
    “…Moench) production in sub-Saharan Africa is seriously constrained by both biotic and abiotic stresses. Among the biotic stresses is witchweed (Striga spp.), a noxious parasitic weed causing major damage in cereal crops, such as sorghum. …”
    Get full text
    Article
  15. 575

    Ranga bioindykacji w ekotoksykologii wód by Urszula Sadowska

    Published 2012-06-01
    “…In relation to ecotoxicology, research allows us to determine bioconcentration, bioaccumulation and biomagni]cation factors, and to assess the ecological status of water used in many different indexes so as to determine such relevant parameters as saprobic, biological bio-diversity and biotic indexes. Poland is preparing for the extension of monitoring systems that take into account all the necessary elements of the environment, even the sediments. …”
    Get full text
    Article
  16. 576
  17. 577

    Sublethal Heavy Metal Stress Stimulates Innate Immunity in Tomato by Nilanjan Chakraborty, Swarnendu Chandra, Krishnendu Acharya

    Published 2015-01-01
    “…Effect of sublethal heavy metal stress as plant biotic elicitor for triggering innate immunity in tomato plant was investigated. …”
    Get full text
    Article
  18. 578

    An Overview of Key Soil Nitrogen Cycling Transformations by Clayton J Nevins, Sarah L Strauss, Patrick Inglett

    Published 2020-05-01
    “…This new 5-page article, published by the UF/IFAS Department of Soil and Water Sciences, provides an overview of the N cycle by describing key N transformations that result in soils gaining or losing N. The biotic and abiotic processes that govern these transformations are described, as well as practical examples of these transformations in Florida soils. …”
    Get full text
    Article
  19. 579

    Forest Biomass, Carbon Stocks, and Macrofungal Dynamics: A Case Study in Costa Rica by Carlos Rojas, Erick Calvo

    Published 2014-01-01
    “…Even though some observed patterns could be explained in terms of climatic differences and biotic relationships, the high fungal productivity observed in dry forests was an interesting finding and represents a topic for further studies.…”
    Get full text
    Article
  20. 580

    Experience of using artificial nesting platforms for the Steppe Eagle in the south of Kostanay region, Kazakhstan by Alexey Yu. Timoshenko, Alexander V. Putilin, Radik R. Salemgareev, Georgy Yu. Timoshenko, Kanat Batyrkhanuly

    Published 2023-10-01
    “…The reasons for the decline are of different nature, both abiotic and biotic, and include the following: destruction of nests by land predators (most often Steppe Eagle nests are located on the ground); steppe fires are of great threat, and the fact that some nests are located on trees and bushes does not help, but rather aggravates the situation; destruction of nests by livestock; developing new areas for farms, etc., as a result, Steppe Eagles are forced to leave favorable nesting territories; electrocution on power poles as Steppe Eagles use traverses to build nests. …”
    Get full text
    Article