长期免耕覆膜栽培和氮水平对稻-油轮作田油菜季杂草群落多样性的影响

为探讨长期免耕覆膜栽培方式和不同施氮水平对稻-油轮作体系油菜季杂草群落多样性的影响,选取在四川丘陵区已连续10年进行水稻-油菜轮作的定位试验田,于2013年油菜成熟期,运用群落生态学方法研究3种耕作栽培方式(传统耕作栽培:水稻季和油菜季均翻耕+水稻季不覆膜处理;免耕不覆膜:水稻季油菜季均免耕+水稻季不覆膜处理;免耕覆膜:水稻季油菜季均免耕+水稻季覆膜处理)下3个施氮水平[0 kg/hm2(CK)、150 kg/hm2(N150)、225 kg/hm2(N225)]对稻油轮作制油菜季杂草群落的影响。试验田共记录到杂草16种,每种处理都出现的杂草有棒头草(Polypogon fugax Nees...

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Published in西南农业学报 Vol. 28; no. 3; pp. 1027 - 1032
Main Author 董瑜皎 袁江 吕世华
Format Journal Article
LanguageChinese
Published 四川省农业科学院土壤肥料研究所,四川成都,610066 2015
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ISSN1001-4829
DOI10.16213/j.cnki.scjas.2015.03.019

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Abstract 为探讨长期免耕覆膜栽培方式和不同施氮水平对稻-油轮作体系油菜季杂草群落多样性的影响,选取在四川丘陵区已连续10年进行水稻-油菜轮作的定位试验田,于2013年油菜成熟期,运用群落生态学方法研究3种耕作栽培方式(传统耕作栽培:水稻季和油菜季均翻耕+水稻季不覆膜处理;免耕不覆膜:水稻季油菜季均免耕+水稻季不覆膜处理;免耕覆膜:水稻季油菜季均免耕+水稻季覆膜处理)下3个施氮水平[0 kg/hm2(CK)、150 kg/hm2(N150)、225 kg/hm2(N225)]对稻油轮作制油菜季杂草群落的影响。试验田共记录到杂草16种,每种处理都出现的杂草有棒头草(Polypogon fugax Nees ex steud)、斑种草(Bothriospermum chinense Bunge)、毛茛(Ranunculus japonicus Thumb)和鼠鞠草(Gnaphalium affine D.Don),其中毛茛是长期稻油轮作下所有处理均包括的油菜季优势杂草,随着施氮水平的增加大巢菜(Vicia sativa L.)和短穗铁苋菜(Acalypha brachystachya Hornem)的田间优势逐渐减少,棒头草和斑种草的优势增加。结果表明:栽培方式和施氮水平能够改变长期稻—油轮作田油菜季杂草群落的组成、杂草总密度以及某些杂草在群落中的优势地位。杂草的物种数和总密度随施氮水平的提高而降低。相对于传统耕作栽培,免耕栽培下杂草物种数增加,且丰富了田间的优势杂草群组,而免耕栽培水稻季覆膜降低了油菜季杂草物种数和田间杂草总密度。
AbstractList 为探讨长期免耕覆膜栽培方式和不同施氮水平对稻-油轮作体系油菜季杂草群落多样性的影响,选取在四川丘陵区已连续10年进行水稻-油菜轮作的定位试验田,于2013年油菜成熟期,运用群落生态学方法研究3种耕作栽培方式(传统耕作栽培:水稻季和油菜季均翻耕+水稻季不覆膜处理;免耕不覆膜:水稻季油菜季均免耕+水稻季不覆膜处理;免耕覆膜:水稻季油菜季均免耕+水稻季覆膜处理)下3个施氮水平[0 kg/hm2(CK)、150 kg/hm2(N150)、225 kg/hm2(N225)]对稻油轮作制油菜季杂草群落的影响。试验田共记录到杂草16种,每种处理都出现的杂草有棒头草(Polypogon fugax Nees ex steud)、斑种草(Bothriospermum chinense Bunge)、毛茛(Ranunculus japonicus Thumb)和鼠鞠草(Gnaphalium affine D.Don),其中毛茛是长期稻油轮作下所有处理均包括的油菜季优势杂草,随着施氮水平的增加大巢菜(Vicia sativa L.)和短穗铁苋菜(Acalypha brachystachya Hornem)的田间优势逐渐减少,棒头草和斑种草的优势增加。结果表明:栽培方式和施氮水平能够改变长期稻—油轮作田油菜季杂草群落的组成、杂草总密度以及某些杂草在群落中的优势地位。杂草的物种数和总密度随施氮水平的提高而降低。相对于传统耕作栽培,免耕栽培下杂草物种数增加,且丰富了田间的优势杂草群组,而免耕栽培水稻季覆膜降低了油菜季杂草物种数和田间杂草总密度。
S511%S634.3; 为探讨长期免耕覆膜栽培方式和不同施氮水平对稻-油轮作体系油菜季杂草群落多样性的影响,选取在四川丘陵区已连续10年进行水稻-油菜轮作的定位试验田,于2013年油菜成熟期,运用群落生态学方法研究3种耕作栽培方式(传统耕作栽培:水稻季和油菜季均翻耕+水稻季不覆膜处理;免耕不覆膜:水稻季油菜季均免耕+水稻季不覆膜处理;免耕覆膜:水稻季油菜季均免耕+水稻季覆膜处理)下3个施氮水平[0 kg/hm2(CK)、150 kg/hm2 (N150)、225 kg/hm2 (N225)]对稻油轮作制油菜季杂草群落的影响.试验田共记录到杂草16种,每种处理都出现的杂草有棒头草(Polypogon fugax Nees ex steud)、斑种草(Bothriospernum chinense Bunge)、毛莨(Ranunculus japonicus Thumb)和鼠鞠草(Gnaphalium offine D.Don),其中毛莨是长期稻油轮作下所有处理均包括的油菜季优势杂草,随着施氮水平的增加大巢菜(Vicia sativa L.)和短穗铁苋菜(Acalypha brachystachya hornem)的田间优势逐渐减少,棒头草和斑种草的优势增加.结果表明:栽培方式和施氮水平能够改变长期稻—油轮作田油菜季杂草群落的组成、杂草总密度以及某些杂草在群落中的优势地位.杂草的物种数和总密度随施氮水平的提高而降低.相对于传统耕作栽培,免耕栽培下杂草物种数增加,且丰富了田间的优势杂草群组,而免耕栽培水稻季覆膜降低了油菜季杂草物种数和田间杂草总密度.
Author 董瑜皎 袁江 吕世华
AuthorAffiliation 四川省农业科学院土壤肥料研究所,四川成都610066
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YUAN Jiang
DONG Yu-jiao
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DocumentTitleAlternate Effect of Long-term Different Cultivation Modes and N Applications on Diversity of Weed Communities in Oilseed Rape Fields under Rice-oilseed Rape Rotation System
DocumentTitle_FL Effect of Long-term Different Cultivation Modes and N Applications on Diversity of Weed Communities in Oilseed Rape Fields under Rice-oilseed Rape Rotation System
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Keywords N application level
氨水平
覆膜栽培
Plastic cover
Diversity d weed community
Rice-oilseed rape rotation
长期免耕
Long-term no-tillage
水稻—油菜轮作
杂草群落多样性
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Notes DONG Yu-jiao, YUAN Jiang, LU Shi-hua (Soil and Fertilizer Research Institute, Sichuan Academy of Agricultural Sciences, Sichuan Chengdu 610066, China)
51-1213/S
The effects d long-term different cultivation modes and different N applications on the diversity of weed communities in oilseed rape fields under rice-oilscod rape rotation system were evaluated in this study. The experiments were located in a ten years rico-oilseed rape rotation field in Sichmm hilly areas. Three cultivation medea ( Conservation tillage: tillage before rico and oilseed sowed + rice field without plastic cover; No-tillage and no-plastic cover: rice and oilseed rape field no-tillage + rice field without plastic cover; No-tillage and plastic cover: rice and oilseed rape field no-tillage + rice field with plastic cover) and three N level(0 kg/hm^2 (CK) ,150 kg/hm^2 (N150) ,225 kg/hm^2 (N225))were applied. Totally 16 weed species were observed in oilseed rope maturity 2013, Every plot contains Polypogon fugax Nees ex steud, Bothriospermum
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PublicationTitle 西南农业学报
PublicationTitleAlternate Southwest China Journal of Agricultural Sciences
PublicationTitle_FL Southwest China Journal of Agricultural Sciences
PublicationYear 2015
Publisher 四川省农业科学院土壤肥料研究所,四川成都,610066
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SubjectTerms 杂草群落多样性
氮水平
水稻—油菜轮作
覆膜栽培
长期免耕
Title 长期免耕覆膜栽培和氮水平对稻-油轮作田油菜季杂草群落多样性的影响
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