{"id":2430,"date":"2020-03-29T11:14:26","date_gmt":"2020-03-29T11:14:26","guid":{"rendered":"http:\/\/palmoilis.mpob.gov.my\/OPB\/index.php\/2020\/03\/29\/effect-of-sulphate-fertilizer-applications-on-leaf-sulphur-status-of-oil-palm\/"},"modified":"2020-03-29T11:14:26","modified_gmt":"2020-03-29T11:14:26","slug":"effect-of-sulphate-fertilizer-applications-on-leaf-sulphur-status-of-oil-palm","status":"publish","type":"post","link":"http:\/\/opb.mpob.gov.my\/index.php\/2020\/03\/29\/effect-of-sulphate-fertilizer-applications-on-leaf-sulphur-status-of-oil-palm\/","title":{"rendered":"Effect of sulphate fertilizer applications on leaf sulphur status of oil palm"},"content":{"rendered":"<p class=\"western\" align=\"JUSTIFY\"><span><span><span><span>Mature oil palms growing on a Lancang series soil were supplied with ammonium sulphate, urea or urea plus K (4.8 kg potassium sulphate). Application rates were 0.4 or 0.8 kg N per palm per year. The fertilizers were applied broadcast over a weeded circle around the palm, twice or 4 times each year, or broadcast overall twice a year. Control plants received no fertilizer. In Apr. 1991 (7 years after treatments commenced), leaf samples were taken from 8 palms in each treatment. Leaf S concentration varied from 0.16 to 0.30% in the various treatments, but the mean values for each different level of S application (0, 0.458, 0.864 or 0.916 kg S palm-1 year-1) did not vary significantly (0.206-0.212%). No S deficiency symptoms were observed in any of the treatments, including controls.<\/span><\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mature oil palms growing on a Lancang series soil were supplied with ammonium sulphate, urea or urea plus K (4.8 kg potassium sulphate). Application rates were 0.4 or 0.8 kg N per palm per year. The fertilizers were applied broadcast over a weeded circle around the palm, twice or 4 times each year, or broadcast [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[399],"tags":[997,805,794,576,571,125,174],"class_list":["post-2430","post","type-post","status-publish","format-standard","hentry","category-no-27-november-1993","tag-ammonium-sulphate","tag-oil-palm-leaves-fronds","tag-urea","tag-porim-publications","tag-fertilizers","tag-oil-content","tag-sulphur"],"acf":[],"_links":{"self":[{"href":"http:\/\/opb.mpob.gov.my\/index.php\/wp-json\/wp\/v2\/posts\/2430","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/opb.mpob.gov.my\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/opb.mpob.gov.my\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/opb.mpob.gov.my\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/opb.mpob.gov.my\/index.php\/wp-json\/wp\/v2\/comments?post=2430"}],"version-history":[{"count":0,"href":"http:\/\/opb.mpob.gov.my\/index.php\/wp-json\/wp\/v2\/posts\/2430\/revisions"}],"wp:attachment":[{"href":"http:\/\/opb.mpob.gov.my\/index.php\/wp-json\/wp\/v2\/media?parent=2430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/opb.mpob.gov.my\/index.php\/wp-json\/wp\/v2\/categories?post=2430"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/opb.mpob.gov.my\/index.php\/wp-json\/wp\/v2\/tags?post=2430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}