{"id":58,"date":"2014-10-14T04:11:44","date_gmt":"2014-10-14T04:11:44","guid":{"rendered":"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/?page_id=58"},"modified":"2016-04-12T07:42:53","modified_gmt":"2016-04-12T07:42:53","slug":"calculator","status":"publish","type":"page","link":"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/p-k-calculator\/calculator\/","title":{"rendered":"Calculator"},"content":{"rendered":"<div class=\"instrcut\">\n<h5>How to use the Fertilizer Calculator:<\/h5>\n<ul>\n<li>Click on the link to &#8216;Fertilizer Calculator&#8217; above<\/li>\n<li>Select crop category from the list of options (e.g. Dairy Grazing, Cereals, etc)<\/li>\n<li>Enter details on soil P and K index, stocking rates, concentrate feed usage, yields, and organic manures by selecting from the lists provided<\/li>\n<li>Click submit to see the breakdown of the P and K requirements for maintenance, soil buildup, P and K applied in organic manure, and chemical P and K required.<\/li>\n<li>Note that P fertiliser rates may need to be adjusted based on Nitrates limits on your farm.<\/li>\n<li>Repeat steps 2-5 to calculate and P and K requirement for a different crop or grassland scenario.<\/li>\n<\/ul>\n<p>Note 1 &#8211; To calculate stocking rate as kg\/ha Org N, allow 85 kg of Org N per for every 1 LU\/ha<\/p>\n<p>Note 2 &#8211; To calculate concentrate feed used in t\/ha, divide the total concentrate feed used on the farm (t) by the total grassland area (ha)<\/p>\n<p>Note 3 &#8211; For crop yield, use DM yield for silage crops, and fresh yield for cereals, oilseed, legume and root crops<\/p>\n<p>Note 4 &#8211; 1000 gallons per acre of slurry applied is equal to 11 t\/ha. 1 t\/acre of solid manure is equal to 2.5 t\/ha<\/p>\n<p>Note 5 &#8211; Multiply kg\/ha * 0.8 to convert to units\/acre<\/p>\n<\/div>\n<div class=\"disclaimer\">\n<hr \/>\n<p>The P and K Calculator was developed by the Fertilizer Association of Ireland in Association with Teagasc and K+S UK &amp; Eire Ltd.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1506 alignnone\" src=\"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-content\/uploads\/2015\/05\/K-S.png\" alt=\"K + S\" width=\"142\" height=\"65\" srcset=\"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-content\/uploads\/2015\/05\/K-S.png 142w, https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-content\/uploads\/2015\/05\/K-S-100x46.png 100w\" sizes=\"auto, (max-width: 142px) 100vw, 142px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1523 alignnone\" src=\"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-content\/uploads\/2015\/05\/Teagasc.png\" alt=\"Teagasc\" width=\"194\" height=\"72\" srcset=\"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-content\/uploads\/2015\/05\/Teagasc.png 194w, https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-content\/uploads\/2015\/05\/Teagasc-100x37.png 100w, https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-content\/uploads\/2015\/05\/Teagasc-150x56.png 150w\" sizes=\"auto, (max-width: 194px) 100vw, 194px\" \/><\/p>\n<h5>Disclaimer<\/h5>\n<p>This P and K calculator tool provides general guidelines for crop offtake and\/or general agronomic advice for P and K application to grassland and arable crops in Ireland.<\/p>\n<p>For more detailed information, see Teagasc Nutrient Advice.<\/p>\n<p>The guidelines included for crop requirement and organic fertilizer value may result in recommendations that exceed the maximum N and P allowances on the farm.<\/p>\n<p>Fertilizer usage must be in compliance with Nitrates Regulations and other nutrient management legislation. This may constrain the rates of N and P fertilizer that are permissible relative to the guidelines shown by this tool.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>How to use the Fertilizer Calculator: Click on the link to &#8216;Fertilizer Calculator&#8217; above Select crop category from the list of options (e.g. Dairy Grazing, Cereals, etc) Enter details on soil P and K index, stocking rates, concentrate feed usage,<span class=\"ellipsis\">&hellip;<\/span><\/p>\n<div class=\"read-more\"><a href=\"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/p-k-calculator\/calculator\/\">Read more &#8250;<\/a><\/div>\n<p><!-- end of .read-more --><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":54,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"Calculator_template.php","meta":{"footnotes":""},"class_list":["post-58","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-json\/wp\/v2\/pages\/58","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-json\/wp\/v2\/comments?post=58"}],"version-history":[{"count":4,"href":"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-json\/wp\/v2\/pages\/58\/revisions"}],"predecessor-version":[{"id":1980,"href":"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-json\/wp\/v2\/pages\/58\/revisions\/1980"}],"up":[{"embeddable":true,"href":"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-json\/wp\/v2\/pages\/54"}],"wp:attachment":[{"href":"https:\/\/www.fertilizer-assoc.ie\/pandk-calculator\/wp-json\/wp\/v2\/media?parent=58"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}