In order to be able to meet the plants requirements with the correct application rates, it is essential to be able to determine the nutrient content of the manure. Some commercially available devices to determined rapidly the N content of organic manure are on the market. ADAS and IGER have evaluate the performances of six moderately priced devices: N meters (2 models) which measure the volume of NH3 gas produced following a reaction between the ammonium in the manure and added hypochlorite ions; Conductivity meter that measure the conductivity of the manure; Ion-specific electrode that measures ammonium-N; Reflectometer using paper strips that in contact with the manure will take a certain color for specific ammonium content and finally, Slurry hydrometer which measurement relate to manure dry matter. Manure sampling were tested in laboratory for high accuracy analysis in order to make comparisons with the results obtained with the 6 devices. The results showed that the best devices are the 2 N meters with the liquid manure. None of the devices was effective while testing solid manure.
\nNitrogen content is important to determine for fertilization but should be considered alone for the application rate only if no constraint come from other nutrients such as phosphorus. Periodically, complete manure analysis would have to be performed for a specific farm in order to verify the exactitude of the results obtained with the device and also to monitor the phosphorus content.<\/p>\n","protected":false},"excerpt":{"rendered":"
In order to be able to meet the plants requirements with the correct application rates, it is essential to be able to determine the nutrient content of the manure. Some commercially available devices to determined rapidly the N content of organic manure are on the market. ADAS and IGER have evaluate the performances of six […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[8882,6988,4564,9628,3965,19644,205,864,25122,206,316,20007,308,169,15507,258,10858,1655,362,234,187,1656,63,16262,17743,210,972,20912,20911,4874,1579],"class_list":["post-1409","post","type-post","status-publish","format-standard","hentry","category-environment","tag-al","tag-color","tag-comparison","tag-contact","tag-content","tag-dd","tag-determination","tag-dry-matter","tag-eet","tag-evaluation","tag-gas","tag-gh","tag-liquid-manure","tag-manure","tag-manure-analysis","tag-manure-management","tag-mark","tag-measuring-devices","tag-n","tag-nh3","tag-nitrogen","tag-nitrogen-determination","tag-performance","tag-pl","tag-prod","tag-slurry","tag-solid-manure","tag-some","tag-t","tag-tan","tag-test"],"_links":{"self":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts\/1409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/comments?post=1409"}],"version-history":[{"count":0,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/posts\/1409\/revisions"}],"wp:attachment":[{"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/media?parent=1409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/categories?post=1409"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/prairieswine.com\/rsc\/wp-json\/wp\/v2\/tags?post=1409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}