Articles by Author: Wilson Ng Etich

Search results for Wilson Ng Etich

We found 88 results for you
  1. Efforts Toward Improving Maize Yields on Smallholder Farms in Uasin Gishu County, Kenya, through Site-specific, Soil-testing-based Fertiliser Recommendations: A Transdisciplinary Approach

    Efforts Toward Improving Maize Yields on Smallholder Farms in Uasin Gishu County, Kenya, through Site-specific, Soil-testing-based Fertiliser Recommendations: A Transdisciplinary Approach

    Item type: Journal Article • Journal: East African Agricultural and Forestry Journal
    This study evaluated the effects of site-specific, soil-testing-based fertiliser recommendations on maize yields using the transdisciplinary (TD) process. The TD process utilizes knowledge from science and practice. Farmers, extension officers, local financial institutions, and other practitioners collaborated with local scientists...
  2. Identifying Tree Clones

    Item type: Journal Article • Journal: South African Forestry Journal
    Clonal identities in a tree breeding and clonal development programme in Portugal consisted of two letters followed by a number of up to three digits. In Eucalpytus globulus clones the letters encoded pedigree information (and the year of induction into...
  3. A distance meter for large swimming marine animals

    A distance meter for large swimming marine animals

    Item type: Journal Article • Journal: South African Journal of Marine Science
    An electronic distance meter for marine animals is described. The device was tested on jackass penguins Spheniscus demersus, but could easily be modified for use on a variety of animals.
  4. Morphology and affiliation of the centric diatom <em>Anaulus birostratus</em> (Grunow) Grunow from South Africa

    Morphology and affiliation of the centric diatom <em>Anaulus birostratus</em> (Grunow) Grunow from South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The morphology of a rectangular, pillow-shaped, centric diatom from the surf zone in False Bay and Algoa Bay was studied with the light microscope and by scanning and transmission electron microscopy. Acid-cleaned (i.e. free of organic material), and critical-point- and...
  5. SHORT NOTES

    SHORT NOTES

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
  6. Environmental monitoring with seabirds: do we need additional technology?

    Environmental monitoring with seabirds: do we need additional technology?

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Attempts to use seabirds as monitors of prey stocks by examination of mortality of adult seabirds, the number of nesting attempts, chick growth or prey composition from stomach samples are often unsuccessful because these parameters are affected by many different...