[1]王琳,管永祥,陈震,等.不同种类绿肥养分积累比较及其对水稻产量的影响[J].江苏农业学报,2020,(05):1139-1143.[doi:doi:10.3969/j.issn.1000-4440.2020.05.010]
 WANG Lin,GUAN Yong-xiang,CHEN Zhen,et al.Comparison of nutrient accumulation of different green manures and the effects on rice yield[J].,2020,(05):1139-1143.[doi:doi:10.3969/j.issn.1000-4440.2020.05.010]
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不同种类绿肥养分积累比较及其对水稻产量的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年05期
页码:
1139-1143
栏目:
耕作栽培·资源环境
出版日期:
2020-10-31

文章信息/Info

Title:
Comparison of nutrient accumulation of different green manures and the effects on rice yield
作者:
王琳1管永祥2陈震2周影1魏启舜1黄莹1郭成宝1
(1.江苏丘陵地区南京农业科学研究所,江苏南京210046;2.江苏省农业技术推广总站,江苏南京210036)
Author(s):
WANG Lin1GUAN Yong-xiang2CHEN Zhen2ZHOU Ying1WEI Qi-shun1HUANG Ying1GUO Cheng-bao1
(1.Nanjing Institute of Agricultural Sciences in Jiangsu Hilly Area, Nanjing 210046, China;2.Agricultural Technology Extension Station of Jiangsu Province, Nanjing 210036, China)
关键词:
绿肥黑麦草光叶紫花苕生物量水稻产量
Keywords:
green manureryegrasslight leaf vetchbiomassrice yield
分类号:
S142
DOI:
doi:10.3969/j.issn.1000-4440.2020.05.010
文献标志码:
A
摘要:
为了确定江苏丘陵地区适宜与粳稻套播轮作的绿肥种类,通过大田试验研究了4种不同绿肥(箭筈豌豆、光叶紫花苕、肥田油菜、黑麦草)的生物量与养分积累量以及对后茬水稻产量影响。结果表明,常规播种量条件下,与水稻套播轮作,不同绿肥生物量差异较大,生物量由高到低为:黑麦草>光叶紫花苕>肥田油菜>箭筈豌豆,不同种类绿肥有机碳含量没有显著差异,氮、磷、钾含量有所差异,光叶紫花苕的氮含量最高,黑麦草氮含量最低,但有机碳和钾养分积累量最高。相较冬季休耕,冬种绿肥有助于提高后茬水稻产量,其中种植黑麦草和光叶紫花苕能显著提高后茬水稻产量,显著高于其他处理,种植箭筈豌豆和肥田油菜,水稻产量提高不显著。后茬水稻产量与绿肥生物量显著相关。说明在江苏丘陵地区黑麦草和光叶紫花苕都可以被推荐与粳稻进行轮作。
Abstract:
In order to determine the suitable green manure for rotation of japonica rice in hilly areas of Jiangsu province, the biomass and nutrient accumulation of four green manures (Vicia sativa, light leaf vetch, oilseed rape, ryegrass) and their effects on the yield of later rice were studied by field experiments. The results showed that the biomass of different green manures was significantly different under the condition of conventional seeding rate. The biomass followed the order of ryegrass > light leaf vetch >oilseed rape>Vicia sativa. The organic carbon content of different green manures had no significant difference, but the contents of nitrogen, phosphorus and potassium were different. The light leaf vetch had the highest nitrogen content. The nitrogen content in was ryegrass the lowest, however, the contents of organic carbon and potassium were the highest. Compared with winter fallow, planting green manure crop in winter was helpful to increase the yield of rice in next rotation. The yield of later rice could be improved significantly by planting ryegrass and light leaf vetch. The yield of later rice was significantly correlated with the biomass of green manure. In summary, ryegrass and light leaf vetch can be recommended for rotation with japonica rice in hilly areas of Jiangsu province.

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备注/Memo

备注/Memo:
收稿日期:2020-03-11基金项目:江苏现代农业(水稻)产业技术体系项目[JATS(2019)336];2020年南京市生态循环农业项目作者简介:王琳(1980-),女,江苏泰州人,博士,副研究员,主要从事农业废弃物资源化利用、土壤肥料等方面研究。(E-mail)wanglin0421nj@163.com通讯作者:郭成宝,(E-mail)gchengbao@163.com
更新日期/Last Update: 2020-11-16