|Table of Contents|

Establishment of Super High Yield Cultivation Mode of Spring Soybean Under Film Drip Irrigation in Xinjiang(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2021年01期
Page:
28-38
Research Field:
Publishing date:

Info

Title:
Establishment of Super High Yield Cultivation Mode of Spring Soybean Under Film Drip Irrigation in Xinjiang
Author(s):
ZENG Kai;  ZHAO Jing;  ZHANG Heng-bin;  LUO Geng-tong; ZHAN Yong;  LIU Tao
(Institute of Crops Research, Xinjiang Academy of Agricultural and Reclamation Sciences/National Soybean Industrial Technology System, Shihezi Experiment Station/Key Lab of Xinjiang Production and Construction Corps for Cereal Quality Research and Genetic Improvement, Shihezi 832000, China)
Keywords:
Xinjiang;  Spring soybean;  Drip irrigation under mulch;  Super-high yield;  Cultivation patterns
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2021.01.0028
Abstract:
In 2016 and 2017, the Crop Research Institute of Xinjiang Academy of Agricultural Reclamation Sciences carried out the research on the establishment of super high yield field of soybean Jiyu 86 by submembrane drip irrigation, and obtained the super high yield of more than6 200 kg?ha-1 for two consecutive years. This study took it as a reference to analyze the yield structure, population characteristics and physiological characteristics of the super high yield, and introduced the specific process and measures of the super high yield technology.The results showed that252 400 plants?ha-1 were harvested, with an average of 31.8 pods and 92.54 seeds per pod, with an average of 2.91 seeds per pod, with seed weight of 26.33 g per plant and seed weight of 28.46 g per 100 plant. In terms of population characteristics, the biological yield accumulated in the 68-127 days after seedling emergence, that the R4-R6 stages, and the LEAF area index (LAI) reached a maximum of 7.2 in the pod setting and pellet stage, and the LAI was maintained for 42 days from the beginning of pellet stage (R5) to the beginning of ripening stage (R7) ≥3.The physiological characteristic is that the chlorophyll content reaches above 52 at the maximum in the drum-seed stage.The characteristics of organ balance were that leaves, petioles, stems, peels and seeds accounted for 16.3%, 13.7%, 18.2%, 14.8% and 37.0%, respectively. According to the characteristic indexes of super high yield soybean, combined with the current cultivation measures, the cultivation mode of super high yield soybean in Xinjiang was summarized from the aspects of fertilization technology, irrigation measures, chemical regulation and foliar fertilization, etc. This mode area has certain reference significance for improving the yield per unit area and increasing the total yield of soybean in Xinjiang and even in China.

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Last Update: 2021-02-09