IDEAS home Printed from https://ideas.repec.org/p/ags/cfcs08/256484.html
   My bibliography  Save this paper

Plant Density and Dry Matter Yield of 'Ubon Stylo' {Stylosanthes guianensis) in an Oxisol of Puerto Rico

Author

Listed:
  • Olivares-Lopez, Jorge Luis
  • Valencia, Elide
  • Rodriguez-Carias, Abner

Abstract

The focus of this research was to evaluate plant density and dry matter yield of 'Ubon Stylo' {Stylosanthes guianensis) (95% germination) at seeding rates of 5, 10, 15, and 20 kg/ha. 'Ubon Stylo' was planted in August 2007 at the Isabela Substation of the Agricultural Experimental Station, University of Puerto Rico. The aftermath (first harvest) was 100 days after establishment. The experimental design was a complete randomized block with four replicates for the seeding rates. Variables assessed were: 1) Ubon Stylo and weed density (number of emerged plants in 1 m2) and dry matter yield (DMY; kg/ha). There were significant differences (p<0.05) between plant density of Ubon Stylo and weed species. Ubon Stylo plant density averaged 82 plants/m2 determined at the highest seeding rate (20 kg/ha). There was significant difference in DMY among seeding rates. Lowest DMY yield was observed at low seeding rate of 5 kg/ha (2758 kg/ha), but no difference was observed between the 10 (5,200 kg/ha) and 15 kg/ha (4752). Planting at a high rate 20 kg/ha (6100 kg/ha), although statistically significant from other rates, does not justify seed costs. It is concluded that seeding rates of Ubon Stylo between 10 and 15 kg/ha provides adequate plant densities and excellent DMY.

Suggested Citation

  • Olivares-Lopez, Jorge Luis & Valencia, Elide & Rodriguez-Carias, Abner, 2008. "Plant Density and Dry Matter Yield of 'Ubon Stylo' {Stylosanthes guianensis) in an Oxisol of Puerto Rico," 44th Annual Meeting, July 13-17, 2008, Miami, Florida, USA 256484, Caribbean Food Crops Society.
    • Handle: RePEc:ags:cfcs08:256484
    DOI: 10.22004/ag.econ.256484
    as

    Download full text from publisher

    File URL: https://ageconsearch.umn.edu/record/256484/files/Lopez-Valencia-Carias.pdf
    Download Restriction: no
    File URL: https://libkey.io/10.22004/ag.econ.256484?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    More about this item

    Keywords

    Crop Production/Industries;

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:ags:cfcs08:256484. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: AgEcon Search (email available below). General contact details of provider: http://cfcs.eea.uprm.edu/ .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.