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Nitrogen response of sweet sorghum genotypes during rainy season

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Title Nitrogen response of sweet sorghum genotypes during rainy season
 
Creator Sawargaonkar, Gajanan
 
Contributor Wani, Suhas
 
Subject potential ethanol yield
economic returns
 
Description Sweet sorghum (Sorghum bicolor (L.) Moench) is a smart biofuel crop, which can be grown under tropical rainfed conditions without
sacrificing food and fodder security. Three sweet sorghum cultivars (viz. ICSA 52 ? SPV 1411, CSH 22 SS and ICSV 93046) were
grown under six nitrogen levels (0, 30, 60, 90, 120, 150 kg ha–1) on Vertisols during two rainy (kharif) seasons at ICRISAT, Patancheru,
India. The results from twoyear
trial indicated that out of three sweet sorghum cultivars evaluated, sweet sorghum hybrid CSH 22 SS
produced highest green stalk (46.90 t ha–1) and ethanol yield (1940 l ha–1) compared to other cultivars. The three cultivars responded
well to applied N doses up to 150 kg ha–1, however, application of N beyond 90 kg ha–1 did not result in any significant increase in
grain yield and economic returns. Net economic returns of Rs 32,898 ha–1 (US$ 601.21 ha–1) were significantly higher with 90 kg N
ha–1 application as compared to other levels of fertilization. It is concluded that for obtaining the highest green stalk yield, ethanol yield
and thereby maximum economic returns, sweet sorghum cultivar, viz. CSH 22 SS should be fertilized with 90 kg N ha–1.
 
Date 2016-05-10
2017-02-08T23:20:44Z
2017-02-08T23:20:44Z
 
Type Journal Article
 
Identifier http://oar.icrisat.org/id/eprint/9495
https://mel.cgiar.org/reporting/download/hash/LDd8884i
Gajanan Sawargaonkar, Suhas Wani. (10/5/2016). Nitrogen response of sweet sorghum genotypes during rainy season. Current Science, 110(9), pp. 1699-1703.
https://hdl.handle.net/20.500.11766/5608
Open access
 
Language en
 
Rights CC-BY-NC-4.0
 
Format PDF
 
Publisher Indian Academy of Sciences
 
Source Current Science;110,(2016) Pagination 1699,1703