|Table of Contents|

Soybean Growth Environment and Group Yield in Soybean Relay Intercropped with Different Leaf Type Maize(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2015年03期
Page:
402-407
Research Field:
Publishing date:

Info

Title:
Soybean Growth Environment and Group Yield in Soybean Relay Intercropped with Different Leaf Type Maize
Author(s):
YANG Feng; CUI Liang;  HUANG Shan;  LIU Wei-guo;  YONG Tai-wen;  YANG Wen-yu
College of Agronomy, Sichuan Agricultural University/Key Laboratory of Crop Ecophysiology and Farming System in Southwest, Ministry of Agriculture, Chengdu 611130, China
Keywords:
Photosynthetically active radiation;  Spectral irradiance;  Relay intercropping;  Soil;  Plant type.
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2015.03.0402
Abstract:
Microenvironment dynamics directly affect the soybean yield in maize-soybean relay strip intercropping systems.Three different maize plant type varieties and one soybean variety were used as material in intercropping systems.Light intensity, light quality, temperature and humidity of soybean seedling growth were investigated. In addition, the yields of maize and soybean were analyzed in monoculture and intercropping conditions. The results showed that the canopy photosynthetic active radiation and spectral irradiance of soybean intercropped with compact plant type maize were higher than those intercropped with semi-compact and loose plant type maize.Soil water content decreased gradually from soybean rows to maize rows in a single strip under intercropping conditions. The changes of the soil water content at different place in soybean intercropped with compact plant type maize were smaller compared to those of soybean intercropped with semi-compact and loose plant type maize.The maximum value of soybean canopy air temperature appeared in compact plant type maize-soybean intercropping system.The opposite result was found in humidity of soybean canopy.In addition, the soil temperature of soybean intercropped with compact plant type maize in 0.10 cm was higher than those of soybean intercropped with semi-compact and loose plant type maize.The yield of soybean intercropped with compact plant type maize was significantly higher than those of intercropped with sime-compact and loose plant type maize, but the yield of maize was appeared the opposite result.Therefore, the effect of maize plant type on the growth environment and yield of soybean should be considered in maize-soybean relay strip intercropping systems.

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Last Update: 2015-07-15