{"id":84,"date":"2005-04-25T03:06:28","date_gmt":"2005-04-25T03:06:28","guid":{"rendered":"http:\/\/envafs.dungnq.local\/2005\/04\/25\/npk-mineral-nutrient-requirement-of-pinus-merkusii-at-nursery-age-1973-1976\/"},"modified":"2005-04-25T03:06:28","modified_gmt":"2005-04-25T03:06:28","slug":"npk-mineral-nutrient-requirement-of-pinus-merkusii-at-nursery-age-1973-1976","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/en\/npk-mineral-nutrient-requirement-of-pinus-merkusii-at-nursery-age-1973-1976\/","title":{"rendered":"npk mineral nutrient requirement of pinus merkusii at nursery age (1973-1976)"},"content":{"rendered":"<p><P>Truong Thi Thao<br \/>\n<P><br \/>\n<P><br \/>\n<P>INTRODUCTION<br \/>\n<P><br \/>\n<P>Serious failures commonly found in sowing <I>Pinus merkusii<\/I> in the last few years have resulted in a need for research on NPK mineral nutrient requirement of the species at different stages in the first year , which can serve as a basis for finding the most reasonable fertilizing techniques.<br \/>\n<P><br \/>\n<P>RESULTS<br \/>\n<P><br \/>\n<P>Based on analysis of NPK components in leaf and ecological features of <I>Pinus merkusii<\/I> planted with different NPK treatments at different stages in different media (clean sand and different natural soils) at Nam Son and Hanoi in 1973 &#8211; 1976, preliminary remarks can be made as follows,<br \/>\n<P><br \/>\n<P>1. <I>P.merkusii<\/I> in the first sowing year has different requirements for NPK at different stages.<br \/>\n<P><br \/>\n<P>. N is needed from month 5 to month 8 for rapid growth of newly formed needles. This stage is the time for formation and development of mycorrhiza and rapid increase of biomass.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Serious failures commonly found in sowing Pinus merkusii in the last few years have resulted in a need for research on NPK mineral nutrient requirement of the species at different stages in the first year , which can serve as a basis for finding the most reasonable fertilizing techniques.<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/posts\/84"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/comments?post=84"}],"version-history":[{"count":0,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/posts\/84\/revisions"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/media?parent=84"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/categories?post=84"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/tags?post=84"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}