|Table of Contents|

Testing Method for Crude Fiber Content of Soybean Straw and Effect of Picking-Pod on Its Feeding Quality(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年05期
Page:
773-776
Research Field:
Publishing date:

Info

Title:
Testing Method for Crude Fiber Content of Soybean Straw and Effect of Picking-Pod on Its Feeding Quality
Author(s):
CHENG Ying-ying; ZHAO Jin-ming; GAI Jun-yi; XING Han
Soybean Research Institute of Nanjing Agricultural University，National Center for Soybean Improvement,National Key laboratory of Crop Genetics and Germplasm Enhancement，Nanjing 210095，Jiangsu，China
Keywords:
Soybean; Straw quality; Crude fiber; Restraining reproductive growth
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.05.0773
Abstract:
Resources of soybean straw is rich in our country，but the utilization rate for feed is just about 20 percentage.At home and abroad，less study focused on exploitation and utilization of soybean straw.High fiber content and low protein content of soybean straw are the main causes of low utilization rate for feed.Restraining reproductive growth is one of the agronomic measures to improve straw quality for feeding.At first，based on the national standard (GB/T 6434-94) of testing for crude fiber content of feed,this study obtained the testing method of crude fiber content of soybean straw,using FOSS fibertec 1020.The suitable smash size of soybean straw for crude fiber determination was 40 mesh ，sampling weight needs to adjust to 0.6-0.7 g ，and the full acid-base thermal extraction time is 60 min.Then use the obtained method to test the crude fiber content of the soybean straw of 10 strains，after gradually restraining their reproductive growth，and the corresponding crude protein content were determined by Micro-Kjeldahl method.From initial pod-filling stage,with the gradually delayed time of picking-pod to restrain reproductive growth of soybean plants，the crude fiber content of soybean straw showed a increasing trend，and the crude protein content showed a downward trend，generally.After treatment，the crude fiber content of the straw were almost lower than control，the crude protein content of the straw were almost higher than control.Results suggest that picking-pod at reproductive growth stage could improve the feeding quality of soybean straw.

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Last Update: 2014-10-06