|Table of Contents|

Effects of Maize Soybean Intercropping Patterns on Soybean Agronomic Characters and Yield in Upland Red Soil(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2020年06期
Page:
882-890
Research Field:
Publishing date:

Info

Title:
Effects of Maize Soybean Intercropping Patterns on Soybean Agronomic Characters and Yield in Upland Red Soil
Author(s):
FENG Liang WANG Shu-bin YANG Wen-ting YU Xia LI Shu-juan YUAN Jia-xin HUANG Guo-qin
(College of Agriculture/Research Center of Ecological Science, Jiangxi Agricultural University, Nanchang 330045, China)
Keywords:
Intercropping Upland red soil Soybean Agronomic characters Dry matter accumulation Yield
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2020.06.0882
Abstract:
In order to develop maize-soybean intercropping industry, improve crop yield under intercropping mode and select the optimal configuration mode of soybean bandwidth and row ratio suitable for maize intercropping in upland red soil of Jiangxi Province, this experiment set three different bandwidths of 2.0, 2.4 and 2.8 m, and three different maize-soybean row ratio configurations of 2∶2, 2∶3 and 2∶4, taking maize single cropping, and soybean single cropping respectively as control group. The differences of leaf area index(LAI), dry matter accumulation, relative growth rate of dry matter and yield of intercropping soybean under different belt width and row ratio were studied. The results showed that, under the belt width of 2.4 m, plant height, stem diameter, 100-seed weight, pods number per plant, and seeds weight per plant were the best. With the same bandwidth, when the row ratio increased, the soybean yield increased. And with the same row ratio, when the soybean yield decreased, the bandwidth configuration increased. The yield of monocropping soybean was the highest as 823.11 kg?ha-1. The yield of intercropping with 2.4 m bandwidth and 2∶4 row ratio was 736.4 kg?ha-1, better than other intercropping treatments. Compared with monoculture soybean, the yield decreased by 11.77%, and was 17.29% higher than that of2.4 mbandwidth and 2∶3 row ratio. Under the bandwidth of 2.4 m, the increase of row ratio was beneficial to the increase of soybean leaf area index, relative growth rate of soybean dry matter and soybean yield. From the result of grey correlation, it could be seen that the correlation of seed weight per plant was the largest. In the configuration with a bandwidth of 2.4 m, the seed weight per plant was the largest and the yield was better, indicating that the seed weight per plant had the greatest impact on soybean yield. To sum up, the best field configuration is 2.4 m width and 2∶4 row ratio, which can provide theoretical basis for the development of maize soybean intercropping model in upland red soil of Jiangxi Province.Keywords:

References:

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Last Update: 2020-12-25