文献类型： 外文期刊

作者： Sun, Baiquan ¹ ; Yuan, Shan ² ; Naser, Mahmoud ² ; Zhou, Yanfeng ² ; Jia, Hongchang ² ; Yu, Yang ² ; Yao, Xiangyu ² ; Wu, Tingting ² ; Song, Wenwen ² ; Jiang, Bingjun ² ; Dong, Hongxia ¹ ; Zhang, Chunlei ² ; Sapey, Enoch ² ; Wang, Peiguo ² ; Sun, Yanhui ² ; Zhang, Junquan ² ; Zhang, Lixin ² ; Li, Qimeng ¹ ; Xu, Cailong ² ; Jia, Xin ⁷ ; Wu, Cunxiang ² ; Yu, Lijie ¹ ; Sun, Shi ² ; Guo, Changhong ¹ ; Han, Tianfu ¹ ;

作者机构： 1.Harbin Normal Univ, Coll Life Sci & Technol, Harbin 150025, Peoples R China

2.Chinese Acad Agr Sci, Minist Agr & Rural Affairs, Inst Crop Sci, Key Lab Soybean Biol Beijing, Beijing 100081, Peoples R China

3.Damanhour Univ, Fac Agr, Crop Sci Dept, Damanhour 22516, Egypt

4.Beijing Acad Agr & Forestry Sci, Inst Biotechnol, Beijing Key Lab Agr Genet Resources & Biotechnol, Beijing 100097, Peoples R China

5.Heilongjiang Acad Agr Sci, Soybean Res Inst, Harbin 150025, Peoples R China

6.CSIR Oil Palm Res Inst, POB 74, Kade, Ghana

7.China Agr Univ, Coll Food Sci & Nutr Engn, Beijing 100083, Peoples R China

关键词： Soybean; Varieties; Vegetative plants; Forage; Nutritional value; Yield potential; Photoperiod

期刊名称：FIELD CROPS RESEARCH （ 影响因子：5.6； 五年影响因子：6.1 ）

ISSN： 0378-4290

年卷期： 2024 年 317 卷

页码：

收录情况： SCI

摘要： Context: The rising demand for animal protein has intensified forage shortages and restricted pasture availability, underscoring the critical need for effective dual-purpose animal feeds. Objective: This study aims to evaluate the potential of vegetative soybeans as animal feed by assessing their nutritional value and productivity. Specifically, it explores the feasibility of using late-maturing soybean varieties, adapted to low latitudes, as forage in high-latitude regions and examines the impact of different planting dates on their growth and effectiveness during limited growing seasons. Methods: To achieve these objectives, a series of field and controlled experiments were conducted. The first experiment assessed 418 mid-maturing soybean varieties from the Huang-Huai-Hai Basin in China for their nutritional value as forage during 2020 and 2021. The second experiment tested late-maturing and photoperiodsensitive soybean varieties, including "ZGDD" and the methionine-enhanced material "Ox-CGS," under tropical conditions with extended daylight. The third experiment evaluated forage soybeans sown on June 19th, July 14th, and August 8th, 2022, to determine their yield and protein content. Results: Results showed that the first experiment yielded an average protein content of 24.7 %, ether extract content of 1.9 %, neutral detergent fiber content of 41.9 %, and acid detergent fiber content of 27.3 %, with a relative feeding value of 153, surpassing local standards for high-quality leguminous forage. The second experiment demonstrated that extended daylight increased crude protein yield by 3.7 times compared to Chinese soybean seed yields, and "Ox-CGS" showed a 24.2 % increase in methionine content. The third experiment revealed that forage soybeans achieved a crude protein yield of 0.95 t/ha within 60 days, exceeding the 2022 average of 0.68 t/ha for seed soybeans in China. Conclusions: The findings indicate that photoperiod-sensitive soybeans can be effectively used as forage over extended periods, utilizing artificial lighting or cultivation in higher latitudes, and that short growth cycles enhance crude protein accumulation.