Arid
DOI10.2134/agronj13.0542
Silage Yield and Nutritive Value of Millet-Soybean Intercrops as Influenced by Nitrogen Application
Jahanzad, E.1; Sadeghpour, A.2; Hosseini, M. B.3; Barker, A. V.1; Hashemi, M.1; Zandvakili, O. R.3
通讯作者Jahanzad, E.
来源期刊AGRONOMY JOURNAL
ISSN0002-1962
EISSN1435-0645
出版年2014
卷号106期号:6页码:1993-2000
英文摘要

Shortage of irrigation water in arid and semi-arid regions has forced forage producers to look for drought-tolerant species for silage production. To evaluate silage yield and nutritive value of pearl millet (Pennisetum glaucum L.)-soybean [Glycine max (L.) Merr.] intercrops as influenced by intercropping ratios and N rates, a 2-yr field experiment was conducted using split-plot lay out on a randomized complete block (RCB) design. Main plots consisted of 0, 37, and 74 kg N ha(-1) (N-0, N-37, and N-74, respectively) and intercropping ratios of millet and soybean (50% M:50% S; 60% M:40% S; and 40% M:60% S) along with monocultures were assigned to subplots. Increasing N resulted in 9.9 and 17.6% silage yield increase at N-37 and N-74 levels compared with N-0. Nitrogen also increased organic acids and ammonia nitrogen (NH3-N) content. Silage pH was lower (4.23) where no fertilizer was applied compared with the fertilized plants (4.33). The highest crude protein (CP) content (170 g kg(-1) dry matter [DM]) and dry mass (248 g DM kg(-1) fresh weight) was at the N74. Silage produced by the millet-soybean mixtures was well fermented indicated by low pH and high lactic acid. Also, intercropping ratios had less acid detergent fiber (ADF) and neutral detergent fiber (NDF) than monocultures. Although all of the intercropping ratios had characteristics of well-fermented silage, a mixture of 60% millet and 40% soybean could be superior because of higher silage yield and CP.


类型Article
语种英语
国家USA ; Iran
收录类别SCI-E
WOS记录号WOS:000347339900008
WOS关键词FORAGE YIELD ; QUALITY ; MAIZE ; FERTILIZATION ; CLOVER ; SEASON ; BARLEY ; CORN ; DATE
WOS类目Agronomy
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/180556
作者单位1.Univ Massachusetts, Stockbridge Sch Agr, Amherst, MA 01002 USA;
2.Cornell Univ, Dept Anim Sci, Ithaca, NY 14853 USA;
3.Univ Tehran, Coll Agr & Nat Resources, Dept Agron & Plants Breeding, Karaj, Iran
推荐引用方式
GB/T 7714
Jahanzad, E.,Sadeghpour, A.,Hosseini, M. B.,et al. Silage Yield and Nutritive Value of Millet-Soybean Intercrops as Influenced by Nitrogen Application[J],2014,106(6):1993-2000.
APA Jahanzad, E.,Sadeghpour, A.,Hosseini, M. B.,Barker, A. V.,Hashemi, M.,&Zandvakili, O. R..(2014).Silage Yield and Nutritive Value of Millet-Soybean Intercrops as Influenced by Nitrogen Application.AGRONOMY JOURNAL,106(6),1993-2000.
MLA Jahanzad, E.,et al."Silage Yield and Nutritive Value of Millet-Soybean Intercrops as Influenced by Nitrogen Application".AGRONOMY JOURNAL 106.6(2014):1993-2000.
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