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Response of sunflower to sulphur

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Title Response of sunflower to sulphur
Response of sunflower to sulphur
 
Creator ICAR_CRIDA
 
Subject : Alfisol, S application, S sources, seed oil content N/S and P/S ratio, sunflowe
 
Description Not Available
Sulfur (S) is one of the severely limited nutrients in rainfed semi - arid
tropical Alfisols. Its application plays an important role in improving the yield
and quality of oilseed crops. To identify the optimum level of sulfur for greater
yield and oil content in the sunflower crop (MSFH - 8) through suitable sources, a
field experiment involving varying levels of S through two sources (gypsum and
elemental S) in combination with standard levels of nitrogen (N) and phosphorus
(P) was conducted on a sandy loam soil (Typic Haplustalf) at Hayathnagar
Research Farm of Central Research Institute for Dryland Agriculture,
Hyderabad, situated at an altitude of 515 m above mean sea level and on 78u
369 E longitude and 17u 189 N latitude. The response to S application in sunflower
crop in terms of growth parameters, yield components, nutrient uptake, and seed
oil content was conspicuous. The application of graded levels of sulfur at rates of
20, 40, and 60 kg ha21 applied through elemental S significantly increased the seed
yield of the sunflower crop over the control by 5.4, 10.7, and 18.1% respectively,
whereas the corresponding increases in case of gypsum (CaSO4?2H2O) were 25.1,
28.8, and 33.9% respectively. The greatest seed yield of sunflower (1175 kg ha21
)
and percentage oil content (39.7%) was obtained with 60 kg S ha21 through
gypsum under rainfed conditions. Our study clearly indicated that the application
of S at relatively high levels significantly increased the uptake of N, P, and S. The
percentage oil content in seed recorded a positive and highly significant
relationship with the uptake of N (r 5 0.958 * * ), P (r 5 0.967 * * ), and S (r 5
0.951 * * ), signifying the importance of balanced nutrition in influencing the oil
Received 29 December 2007, Accepted 6 July 2008
Address correspondence to K. L. Sharma, Central Research Institute for
Dryland Agriculture, Saidabad Post, Hyderabad, Andhra Pradesh, India 500059.
E - mail: klsharma@crida.ernet.in
Communications in Soil Science and Plant Analysis, 40: 2926–2944, 2009
Copyright # Taylor & Francis Group, LLC
ISSN 0010 - 3624 print / 1532 - 2416 online
DOI: 10.1080 / 00103620903175389
2926
Downloaded By: [Consortium for e - Resources in Agriculture] At: 06:25 29 September 2009
content of seed in sunflower. The application of S through gypsum at rate of 60 kg
S ha21 along with 40 kg N and 30 kg P2O5 ha21 was most superior in enhancing
the seed yield and percentage oil content in seed.
Not Available
 
Date 2022-01-27T04:58:33Z
2022-01-27T04:58:33Z
2012-01-01
 
Type Book
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/69090
 
Language English
 
Relation Not Available;
 
Publisher ICAR_CRIDA