|Table of Contents|

Effect of Soil Surface Covered by Degradable Water-Permeability Film on Growth and Yield of Spring Soybean in Northern Shaanxi Province(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2018年05期
Page:
723-729
Research Field:
Publishing date:

Info

Title:
Effect of Soil Surface Covered by Degradable Water-Permeability Film on Growth and Yield of Spring Soybean in Northern Shaanxi Province
Author(s):
LIANG Fu-qin1;  ZHANG Ming-jun1;  ZHANG Qiang1;  LI De-xiao2;  DANG Bei-lei1;  LI Xia1
(1.Yan′an Agricultural Science Research Institute,Yan′an 716000,China; 2.College of Agronomy, Northwest A&F University, Yangling 712100, China)
Keywords:
Northern Shaanxi region;  Degradable water-permeability film;  Spring soybean;  Root-crown ratio;  Yield
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2018.05.0723
Abstract:
In order to explore the effect of different covered film types on growth and yield of spring soybean in Northern Shaanxi province, filed experiment with the treatment of completely degradable water-permeability film (T1), semi-degradable water-permeability film (T2), common plastic film (T3) and film-free (T4) was conducted, and agronomic characters at different growing periods and yield of soybeans were measured. The results showed that compared with the T4 treatment, T1, T2, and T3 had the average plant height increased by 4.42%, 6.74%, 6.47%, the average root length increased by 9.76%, 20.13%, and 18.78%, and the root-shoot ratio increased by 17.64%, 17.39%, 3.94%, respectively. Film-mulching played an obvious effect on soybean growth at the early stage, and the significant difference was detected between semi-degradable water-permeability film(T2) and film-free treatment(T4). Film mulching improved soybean yield significantly, especially, the semi-degradable water-permeability film showed the highest dry matter accumulation which increased by 73.57%-95.32%, compared with the control(T4) in mature period, and the grain yield reached 3 961.4-4 486.5 kg·ha-1, which was 9.17%-9.24% higher than T1, 9.17%-9.24% than T2 and 11.56%-53.01% than T3. The benefit of covering semi-degradable water-permeability film was 10 933.44 yuan·ha-1, which was higher than that of other types of plastic films, and also 25.4% more than that of the control. In conclusion, covering film can effectively relieve the restraint hydrothermal factors of soil in soybean production of Northern Shaanxi province, increase crop yield and economic benefits, especially, covering semi-degradable water-permeability plastic film is recommendable choice for soybean plastic mulching cultivation in this region.

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Last Update: 2018-10-08