[1]李会科,赵政阳,张广军.种植不同牧草对渭北苹果园土壤肥力的影响[J].西北林学院学报,2004,19(02):31-34.
 Effects of Planting Different Herbage on Soil Fertility of Apple Orchard in Weibei Areas[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2004,19(02):31-34.
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种植不同牧草对渭北苹果园土壤肥力的影响 ()
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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02期
页码:
31-34
栏目:
林业基础科学
出版日期:
2004-04-29

文章信息/Info

Title:
Effects of Planting Different Herbage on Soil Fertility of Apple Orchard in Weibei Areas
作者:
李会科; 赵政阳; 张广军
西北农林科技大学,资环学院,陕西,杨陵,712100; 西北农林科技大学,园艺学院,陕西,杨陵,712100
关键词:
苹果 果园生草 土壤肥力 影响
分类号:
S661.106.1
文献标志码:
A
摘要:
对渭北苹果生草园和清耕园土壤理化分析结果表明,生草平均降低0~40 cm土壤容重6.5,增加田间持水量7.19,显著地增加o~20 cm土壤有机质,禾本科牧草每年增加0.1,豆科牧草增加0.15.同时,生草降低了0~40 cm土层全N、全P、全K含量,牧草、苹果在该土层存在养分竞争,应在生产中加强对牧草的施肥管理,但生草能提高该土层水解N、速效P、速效K的含量,有利于苹果对营养元素的吸收,且禾本科牧草活化有机P的能力强于豆科,而豆科牧草提高水解N强于禾本科.在渭北苹果园生草中开展不同种类牧草混作和轮作有利

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备注/Memo

备注/Memo:
国家科技攻关项目(2002BA16A10); 中国科学院知识创新工程项目(KZCX1-06-02); 陕西省科技厅扶贫办专题资助项目
更新日期/Last Update: 2010-04-29