当前位置:首页 > 资讯 > 茶叶知识> 正文
崂山茶区施用鸡粪茶园土壤镉含量状况研究
2021-02-21 09:31:54热度:193°C
崂山茶区长期施用鸡粪作为基肥的茶园,土壤镉(Cd)主要集中于茶树冠下0—20cm耕作层,该耕作层土壤Cd含量随施肥年限延长逐年增长,且年施肥量越大,cd含量增加越多。完成机构:[1]青岛市农业科学研究院,山东青岛266100 [2]崂山区农林局,山东青岛266104
金华茶叶茶叶全是叶相关文章
SQL Error: select id,classid,MATCH(title) AGAINST('65324129 41291872 18723988 39884209 42095135 51352806 28062364 23641872 18725216 52164533 45334032' IN BOOLEAN MODE) as jhc from ***_enewssearchall where (id<>199411) and MATCH(title) AGAINST('65324129 41291872 18723988 39884209 42095135 51352806 28062364 23641872 18725216 52164533 45334032' IN BOOLEAN MODE) order by jhc desc,infotime desc limit 0, 6相关推荐
Warning: Invalid argument supplied for foreach() in /data/www/wwwroot/guniangcha.com/e/class/userfun.php on line 15