Alaskan Peas

Topics: Seed, Legume, Pea, Fruit, Annual plant / Pages: 5 (1666 words) / Published: Jan 20th, 2015
Alaskan Pea Plant Sowing Depth Experiment
By Ian Armstrong

Table of Contents
Review of Literature pg. 2-3
Hypothesis pg.3
Variables and Groups pg. 4
Materials pg.4
Procedure pg.4-5
Results pg.5-6
Discussion of Results pg.6-8
Bibliography pg.8-9

Review of Literature Alaskan peas have the shortest growing season of all pea types. This strain was developed to adapt to short growing seasons and colder climates. They were developed in 1881 by Thomas Laxton. They grow to be approximately 3 feet tall, and its pods produce 5-8 seeds. In an optimal environment, they can be grown year round. Most authorities recommend that Alaskan pea seeds are to be planted between an inch to an inch and a half deep, which is approximately 5 centimeters. (USDA) The pea plant is also used as a protein supplement, in application such as livestock feed, and is very popular in bird feed. One unique feature of the field pea is that it doesn’t use any of the soils nitrogen, but instead replaces it at a rate of 90 to 150 pounds per acre (USDA). This attribute makes peas a very beneficial rotation crop because it can replace nitrogen in the soil.
There doesn’t appear to be any experiments specifically related to planting depths of the Alaskan pea, but several researchers have conducted experiments regarding sowing depth on similar plants (other legumes). Most researchers found that seed depth plays a major factor in how tall the plant becomes and its productivity.
In 2011, researchers at the Kwame Nkrumah University of Science and Technology in Kumasi, Ghana, conducted numerous experiments to test the growth of soybean plants to determine the effects of different sowing depths. In Ghana, most farmers use hand tools to plant their crops. One of the problems with these hand tools is that they produce depths of sowing that are significantly different from each other. By experimenting with sowing depths ranging from 2 cm to 9 cm, they found that the depth of 5 cm produced the tallest



References: Dry Field Pea. (n.d.). Dry Field Pea. Retrieved February 11, 2014, from http://www.hort.purdue.edu/newcrop/afcm/drypea.html Effect of Sowing Depth on Soybeans. (n.d.). Biologu Journal of North America. Retrieved February 11, 2014, from http://scihub.org/ABJNA/PDF/2011/9/ABJNA-2-9-1273-1278.pdf Effect of seding ginsen. (n.d.). Journal of Ginsing Research. Retrieved February 13, 2014, from http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3659639/Find a website by URL or keyword... Home Guides. (n.d.). Home Guides. Retrieved February 11, 2014, from http://homeguides.sfgate.com/environment-grow-alaskan-pea-plants-41348.html Journal of Range Management Archives. (n.d.). Genotype and planting depth effects on seedling vigor in sericea lespedeza.. Retrieved February 11, 2014, from https://journals.uair.arizona.edu/index.php/jrm/article/view/8843/8455 Pea 'Alaska '. (n.d.). Folia. Retrieved February 11, 2014, from http://myfolia.com/plants/49-pea-pisum-sativum/varieties/4007-alaska Plant Guide. (n.d.). Pisum Sativum. Retrieved February 11, 2014, from http://plants.usda.gov/plantguide/pdf/pg_pisa6.pdfFind a website by URL or keyword... Sweetclover. (n.d.). University of Nebraska. Retrieved February 11, 2014, from http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1275&context=agronomyfacpub Switchgrass seed depth. (n.d.). North Dakota State University. Retrieved February 13, 2014, from http://www.ag.ndsu.edu/plantsciences/research/forages/docs/SwitchgrassSeedingDepth_poster-web.pdf

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