Du ChangyuLi DongmingPang Quanguo.STUDY ON THE EFFECTOF SUCCESSIVE PLANTWGSOYBEAN TO NUTRIENT, CHLOROPHYLLPHOTOSYNTHETIC EFFICIENCY AND PHOTOSYNTHETES OF SOYBEAN PLANTS[J].Soybean Science,2003,22(02):146-150.[doi:10.11861/j.issn.1000-9841.2003.02.0146]
大豆连作对植株营养水平、叶绿素含量、光合速率及其产物影响的研究
- Title:
- STUDY ON THE EFFECTOF SUCCESSIVE PLANTWGSOYBEAN TO NUTRIENT, CHLOROPHYLLPHOTOSYNTHETIC EFFICIENCY AND PHOTOSYNTHETES OF SOYBEAN PLANTS
- 文章编号:
- 1000 -9841(2003)02 -0146 -05
- Keywords:
- Successive planting soybean ; Plant nut rient ; Chlorophyll/Photosynthetic efficiency ; Soluble sugar ; Amino acid
- 分类号:
- S 565.101
- 文献标志码:
- A
- 摘要:
- 研究了大豆连作条件下植株体内营养水平和叶绿素含量、光合速率及其产物的差异。结果表明, 由于连作造成根际土壤障碍和植株生长发育障碍, 导致体内硝态N 、速效P 、速效K 含量显著降低, 使叶片叶绿素含量、光合速率、体内可溶性糖、氨基酸总量极显著下降, 影响大豆叶片的光合性能和有机物的积累, 从而导致减产。随着连作年代的延长呈现渐低趋势, 表现为正茬>迎茬>重茬。
- Abstract:
- Study on the effect of successive plant ing soybean to nut rient , Chlorophyll , Photosynthetic eff iciencyand photosynthetes w as conducted .The result showed that continuous cropping soybean af fected soil condit ionand soybean plant developing which resulted to the NO3 -N , avilable P , avilable K chlorophyll .Photosyntheticeff iciency , soluble sugar and arnimo acids decreasing.So that the pho tosy nthetic effioiency and o rganic matteraccumultaion were affected , which resulted to soybean g rain yield decreasing , w ith the years of successive plantingsoybean in creasing , the tread of g rain yield decreasing w as more obvious .The result also show ed that plantingsoybean every oter two years w as bet ter than that every o ther one year , however w hich w as bet ter than thatsuccessive planting soybean .
参考文献/References:
1 张德俭, 赵九洲, 孙长艳, 等.连作对大豆发育动态影响[ J] .大豆科学, 1996 , 15(4):326 -330.
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备注/Memo
作者简介:杜长玉(1952 -), 男, 高级讲师, 从事植物生理, 作物栽培的教学和科研工作。