EFFECTS OF DENSITY,ROW SPACING AND HOLE SPACING OF MAIZE ON INTERCROPPED SOYBEAN’S PHOTOSYNTHETIC RATES(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Title:: EFFECTS OF DENSITY,ROW SPACING AND HOLE SPACING OF MAIZE ON INTERCROPPED SOYBEAN’S PHOTOSYNTHETIC RATES

Author(s):: LIN Shao-sen ; TANG Yong-jin; School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010

Keywords:: Density of maize; Row spacing of maize; Hole spacing of maize; Intercropped soybean photosynthetic rate; Effect

Abstract:: The effect of density, row spacing and hole spacing of maize on soybean photosynthetic rates were researched using orthogonal and rotational combination designs with three factors and five levels, and regression equation were established. The results showed that the regression equations were available, and the effects of density, row spacing and hole spacing of maize on soybean photosynthetic rates were significant. The effect curve of density of maize on soybean photosynthetic rate was a reverse parabola. The effect curves of row spacing and hole spacing of maize on soybean photosynthetic rates were parabola. There was interaction of the effects between row spacing and hole spacing of maize on soybean photosynthetic rates．The soybean photosynthetic rates could be advanced if the row spacing and hole spacing of maize production were a little raised under the present maize production density.

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Last Update: 2014-10-21