摘要
通过对山西省南部不同花生品种进行麦茬秸秆覆盖试验,研究秸秆覆盖对土壤性质及花生生长规律的影响。结果表明,与对照相比,不同花生品种秸秆覆盖后土壤温度日变化升降温缓慢,保温效果较好;覆盖对花生开花期之前耕层土壤的保温蓄墒效果好于生育后期;秸秆覆盖可降低土壤容重、增加总孔隙度,也可显著提高土壤容积含水率和有机质含量,改善土壤肥力,且土壤改良效果在2个花生品种间差异不显著;2个花生品种秸秆覆盖后可分别增产8.18%和14.93%;其中,冀花4号增产潜力较大,而临花9号稳产性好。覆盖可显著增加花生主茎高和单株生产力,对侧枝长、分枝数、结果分枝数、单株果数、饱果率和出仁率性状影响不显著。
The effects of straw mulching on soil properties and peanut growth were studied by straw mulching experiment of different peanut varieties in southern Shanxi.The results showed that compared with the control,soil temperature diurnal variation increased or decreased slowly under straw mulching of different peanut varieties,and it also had a better heat preservation effect.The surface soil's heat preservation and moisture storage effect caused by straw mulching before flowering of peanut was better than late growth stage.The straw mulching could reduce soil bulk density and increase total porosity.It also could significantly raise the soil volumetric water content and organic content,improve soil fertility.The soil improvement effect between two peanut varieties was unremarkable.The yield increasing proportion under straw mulching of two peanut varieties were 8.18%and 14.93%,respectively,among them,Jihua 4 had higher yield potential,while Linhua 9 had better yield stability.The straw mulching could significantly increase stem height and single plant productivity,while the effects on branch length,number of branches,number of branches with pods,pod number per plant,full pod rate and shelling percentage traits was not significant.
作者
宁东贤
赵玉坤
杨秀丽
杨丽萍
李楠
NING Dongxian;ZHAO Yukun;YANG Xiuli;YANG Liping;LI Nan(Institute of Wheat,Shanxi Agricultural University,Linfen 041000,China)
出处
《山西农业科学》
2020年第9期1477-1480,共4页
Journal of Shanxi Agricultural Sciences
基金
山西省农业科学院育种工程项目(17YZGC015)
山西省农业科学院特色农业技术攻关项目(YGG17085)。
关键词
秸秆覆盖
花生
土壤性质
温度
增产
straw mulching
peanuts
soil property
temperature
increase yield
作者简介
宁东贤(1973-),男,山西稷山人,副研究员,主要从事花生育种及高产栽培研究工作。
