|Table of Contents|

Effect of Various Chemical Treatments and Density on Agronomic Traits and Yield of Inter-planting Soybean Cultivar Nanheidou 20(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2018年06期
Page:
876-882
Research Field:
Publishing date:

Info

Title:
Effect of Various Chemical Treatments and Density on Agronomic Traits and Yield of Inter-planting Soybean Cultivar Nanheidou 20
Author(s):
(Soybean Institute of Nanchong Agricultural Sciences/Nanchogn Station of China Soybean Industrial Technology System, Nanchong 637000, China)
Keywords:
Intecripping Density UniconazoleAgronomic traitYield
PACS:
-
DOI:
1011861/jissn1000-98412018060876
Abstract:
To explore the effects of density and uniconazole on agronomic traits and yield of soybean in maize-soybean relay strip intercropping system, 2016 and 2017, high protein black health soybean cultivars Nanheidou 20 was planted at four densities (90 000,120 000,150 000 and 180 000 plants·ha-1) ,spraying uniconazole(75 mg·kg-1) at branching period in soybeanThe two years results showed that with the increase of the density of soybean, plant height increased and stem diameter decreased, yield components such as available pods, seeds number and seed weight per plant decreased. The yield increased firstly and then decreased, with the highest yield of 150 000 plants·ha-1, and the economic coefficient decreased with the increase of the densityAt the same time it was also found that plant heigh of the uniconazole treatment were lower than that of the control group,the stem diameter and yield were higher than that of the control group,part of difference reached significant levelThe results showed that 150 000 plants ·ha-1 is the most suitable intercropping density of Nanheidou 20,which can achieve a higher yield in the densitySpraying uniconazole(75 mg·kg-1) at branching period can decreased plant height,increase the stem diameter to a certain extent, and therefore increase the yield of soybean

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Last Update: 2018-12-04