{"id":72,"date":"2005-04-25T02:45:38","date_gmt":"2005-04-25T02:45:38","guid":{"rendered":"http:\/\/envafs.dungnq.local\/2005\/04\/25\/preliminary-results-of-investigation-on-erosion-status-and-measures-for-erosion-prevention-in-soilsused-for-planting-styrax-tonkinensis-at-tuquanhatuyen-province-1974-1976\/"},"modified":"2005-04-25T02:45:38","modified_gmt":"2005-04-25T02:45:38","slug":"preliminary-results-of-investigation-on-erosion-status-and-measures-for-erosion-prevention-in-soilsused-for-planting-styrax-tonkinensis-at-tuquanhatuyen-province-1974-1976","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/en\/preliminary-results-of-investigation-on-erosion-status-and-measures-for-erosion-prevention-in-soilsused-for-planting-styrax-tonkinensis-at-tuquanhatuyen-province-1974-1976\/","title":{"rendered":"preliminary results of investigation on erosion status and measures for erosion prevention in soilsused for planting styrax tonkinensis at tuquan,hatuyen province (1974 &#8211; 1976)"},"content":{"rendered":"<p><P>Bui Nganh<br \/>\n<P>Vu Van Me<br \/>\n<P><br \/>\n<P><br \/>\n<P>INTRODUCTION<br \/>\n<P><br \/>\n<P>Due to the characteristics of the species and structure of <I>Styrax tonkinensis<\/I> plantation forest, there are some problems as follows,<br \/>\n<P><br \/>\n<P>1. Can erosion of soils under <I>Styrax tonkinensis<\/I> forest reduce the soil fertility, so that long-term management of Styrax forest can not be applied?<br \/>\n<P><br \/>\n<P>2. If in fact there is erosion at a severe level, can we take measures to control it in order to ensure adequate production of Styrax tonkinensis forest to meet the requirement for supplying raw material for the paper industry?<br \/>\n<P><br \/>\n<P>In order to answer suitably these questions, investigations must be done over some rotations. Our investigation was done in the first 3 years (1974 &#8211; 1976) of first -rotation <I>Styrax tonkinensis<\/I> plantation at Cauhai (Vinhphu) and Tuquan (Hatuyen) in the central area of raw material supplying for the paper industry.<br \/>\n<P><br \/>\n<P>METHODS<br \/>\n<P><br \/>\n<P>Using direct measurement, build a pool of 200m2 at the end of a primary water flow and with indirect measurement, use Molostkov&rsquo;s liner to measure erosion.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Due to the characteristics of the species and structure of Styrax tonkinensis plantation forest, there are some problems as follows, <\/p>\n<p>  1. Can erosion of soils under Styrax tonkinensis  forest reduce the soil fertility, so that long-term management of Styrax forest  can not be applied?<\/p>\n<p>  2. If in fact there is erosion at a severe level, can we take measures to control it in order to ensure adequate production of Styrax tonkinensis forest to meet the requirement for supplying raw material for the paper industry?<\/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\/72"}],"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=72"}],"version-history":[{"count":0,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/posts\/72\/revisions"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/media?parent=72"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/categories?post=72"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/en\/wp-json\/wp\/v2\/tags?post=72"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}