Plant & Soil Sciences eLibraryPRO
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  • UNL Soils Home Course
    Contact Keith Glewen with any questions. kglewen1@unl.edu
    Welcome to the UNL Soils Home Course!   The purpose of this course is to increase the users' knowledge of soil science including the origins, physical properties and chemical properties of soil.  This will aid users in making management decisions related to soil fertility and crop production.  This in turn can improve the efficiency of fertilizer applications, reduce nutrient loss, an improve crop yields. This course is intended for crop consultants, agency personnel, crop producers, and others interested in soil science and soil fertility management. We hope you find this course to be enjoyable and informative.  To begin working in the course click on "Lessons" in the task bar above.  This will take you to a page where you can click on links to view each chapter.  Upon completing a chapter you can take the quiz by clicking on the "Quiz" link included in each lesson.  To obtain CEU credits for the Certified Crop Advisor program, you will need to earn 75% on the quiz(zes).  You may take quizzes as many times as you wish. For any questions, please contact Keith Glewen at kglewen1@unl.edu.

    Contents of this Community may be viewed only after joining. A joining request requires approval by the Community owner before access is provided.
  • Advanced Biology Logan View High School
    Be sure to ask Mr. Ready if you have any questions!
    Mr. Sid Ready Logan View High School

    Contents of this Community may be viewed only after joining.
  • Land Grabs in the Global South (MOOC Version)
    Charles Francis, Professor University of Nebraska-Lincoln cfrancis2@unl.edu Alternate contact: dnolan2@unl.edu
    If you have registered to take this MOOC version of the course, the first thing you need to do is go to the link below to take the Pre-course survey.  At the end of the survey you will receive a password that is needed to enter the course on the left hand menu. https://www.surveymonkey.com/s/LandGrab

    Contents of this Community may be viewed only after joining.
Featured Animations
  • animation thumbnails
    La Síntesis de Etileno
    Esta animación muestra la ruta de síntesis del etileno y su inducción por las auxinas y el estrés ambiental.
  • animation thumbnails
    Antisense RNA Technology
    This animation shows Antisense Technology and its use in tomatoes.
  • animation thumbnails
    Absorción Foliar
    Esta animación describe cómo se absorben los herbicidas por las hojas, e ilustra cómo sus características físico-químicas alteran su movimiento a través de la cutícula. También se muestran mecanismos pasivos y activos de la absorción de los herbicidas a través de las membranas de las plantas.
Featured Lessons
  • Transpiration - Water Movement through Plants This lesson and its animation follows the journey of water through a plant from its uptake by roots to its evaporation from the leaf surface. How this journey is altered by plant characteristics such as stomata and cuticles as well as by changes in the environment will be described.
    View Print Take Passel Quiz
  • Herbicide Discovery and Screening Historically, herbicides have been discovered by randomly screening collections of chemicals for activity on target weeds. While totally empirical, this approach has been surprisingly successful and ...
    View Print Take Passel Quiz
  • Root Absorption and Xylem Translocation Overview: Herbicides must be absorbed into plants in order to be effective. Plant roots and below ground shoots have few barriers to herbicide absorption; however, interactions with soil particles ...
    View Print Take Passel Quiz
  • Embryogenesis
    View Print
  • La Transpiración - Movimiento del Agua a Través de las Plantas La transpiración es la pérdida de agua en forma de vapor por las plantas. El agua es absorbida del suelo por las raíces y transportada en forma líquida por el xilema hacia las hojas. En las hojas,...
    View Print
People
author picture Ray Riley Instructor
Head, Germplasm Technology
Syngenta
ray.riley@syngenta.com
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  • Contents: 120 Lessons and 116 Animations in English and Español
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