[1]陈竹君,何景峰,唐德瑞,等.杜仲树体矿质元素分布特点与需肥规律[J].西北林学院学报,2004,19(03):15-17.
 Nutrient Distribution and Uptake Characteristics in Eucommia ulmoides Oliv.Plant[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2004,19(03):15-17.
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杜仲树体矿质元素分布特点与需肥规律 ()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第19卷
期数:
2004年03期
页码:
15-17
栏目:
林业生物科学
出版日期:
2004-06-29

文章信息/Info

Title:
Nutrient Distribution and Uptake Characteristics in Eucommia ulmoides Oliv.Plant
作者:
陈竹君; 何景峰; 唐德瑞; 史清华; 李群学
西北农林科技大学,资源环境学院,陕西,杨陵,712100; 西北农林科技大学,林学院,陕西,杨陵,712100
关键词:
杜仲 养分吸收 生长节律
分类号:
S714.8
文献标志码:
A
摘要:
本文对杜仲地上部不同组织中养分含量和养分携出量,杜仲对养分的吸收比例,杜仲年高生长和地径生长节律等进行了研究,并根据杜仲养分吸收特点提出了基本肥料施用比例.结果表明,杜仲生长期间吸收的养分主要储存于叶子和皮中,木质部数量较少;皮和叶的利用将使养分大量损失,应通过施肥加以补充.杜仲对氮磷钾(N:P2O5:K2O)养分的相对吸收比例为1:0.3:1.6,考虑氮磷钾肥料养分的利用率后,提出适于杜仲施肥的氮磷钾养分基本比例为N:P2O5:K2O=1:0.6:0.9.实践中应用时,可根据当地土壤供应不同养分的状况,

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备注/Memo

备注/Memo:
国家林业局林业新技术中试计划; 国家星火计划(1996"林业部"中字19号)
更新日期/Last Update: 2010-04-29