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Title: | Summer sesame response to irrigation methods and mulching. Research on Crops, |
Other Titles: | Not Available |
Authors: | Pandya, P.A and Rank, H D |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | Department of Soil and Water Engineering, College of Agricultural Engineering and Technology, Junagadh Agricultural University, Junagadh |
Published/ Complete Date: | 2011-11-22 |
Project Code: | Thesis No. 1512 |
Keywords: | Soil and Water Engineering |
Publisher: | Junagadh Agricultural University,JUNAGADH |
Citation: | Pandya, P.A and Rank, H D (2014). Summer sesame response to irrigation methods and mulching. Research on Crops, Vol-15(4): Dec.2014. |
Series/Report no.: | Not Available; |
Abstract/Description: | A field experiment was conducted at instructional farm of Soil and Water Engineering Department, College of Agricultural Engineering and Technology, Junagadh Agricultural University, Junagadh during summer season (Feb-May) - 2011 to study the "summer sesame response to irrigation methods and mulching". Surface wetting front movement was studied under four drip irrigation treatments viz. 41phX0.5mX0.9m, 81phX0.8mX1.2m, 141phX0.8mX2.1m and 201phX1.0mX2.4m respectively. Based on wetting front movement, time required to irrigate 3, 4, 7 and 8 rows of sesame crop having 30 cm row spacing was found as 2.08 hr, 2.31 hr, 3.55 hr and 3.41 hr and 3 hours for Porous pipe irrigation system. The depth of each irrigation for these respective water application times were found as 21, 20, 26, 29 and 38 mm respectively. The summer sesame response to irrigation methods and mulching was studied by experiment adopting split plot design with twelve treatment combinations comprised of irrigation methods as a main factor with six levels viz;, surface irrigation system (border) (lo), drip irrigation system-4 Iph x 0.5m x 0.9 m(i2), drip irrigation system-14 Iph x 0.8m X 2.1m(i3), drip irrigation system-20 Iph x Im x 2.4 m(i4) and subsurface porous pipe irrigation system-22mm x 0.9m x 101ph/m(i5), and mulching as a sub factor with two levels viz; 5 tone/ha (Mi) and no mulch (Mo). These treatment combinations were embedded with three replications. The response of sesame was evaluated in terms of plant height, weed intensity, grain yield, straw yield and water use efficiency. The irrigation interval during growing period was decided based on the irrigation depth and cumulative evapotranspiration of the crops for the 1.0 IW/ETc. The total number of 15, 18, 19, 14,14 and 11 irrigations were given in treatment- lo, Ii, h, I3,14 and I5 respectively. Grain yield of sesame was significantly influenced by different methods of irrigation. Treatments I5 and Ii gave significantly higher grain yield of 1623.23kg/ha and 1554.57 kg/ha respectively than rest of the treatments. The significantly lowest grain yield of 1204.06 kg/ha was found under lo (control). Grain yield under the treatments I5 and h were 35% and 29% higher than lo (control). Water use efficiency for different irrigation methods was according to their respective yields. Significantly highest weed intensity (14.8 No. /m^) was recorded with treatment lo. It was 64 % more under the treatment lo as compared to treatment- I5. Grain yield was significantly higher (11.2 %) under treatment-Mi (1499.87 kg/ha) as compare to no mulch (1348.07kg/ha). The weed intensity under no mulch-Mo (13.16 No. /m^) was found 39 % higher than Mi (9.44 No. /m2). The costs of cultivation excluding the cost of irrigation with mulch and without mulch were found as Rs 17550 per ha and Rs 13200 per ha respectively. The fix cost of irrigation with pumping was found as 4979, 10833, 8313, 6062, 6151, 17062 Rs/ha/season for surface irrigation system treatment-Io, drip irrigation treatments-Ii, I2, I3, and U and porous pipe irrigation system treatment-Is. The highest and lowest benefit cost ratio under irrigation with mulch was found as 3.67 and 2.87 respectively under irrigation treatment T13 and Tis respectively. While highest and lowest benefit cost ratio under irrigation without mulch was found as 4.03 and 3.15 respectively under irrigation treatment T03 and Tos respectively. The highest and lowest ICBR of irrigation methods with mulch was found as 13.43 and 2.25 respectively under the treatment I13 and I15 respectively. While the highest and lowest ICBR for irrigation without mulch was found as 18.19 and 3.11 respectively under the treatment I03 and lo5 respectively. It was revealed that drip irrigation in combination with much was the most suitable practice for the cultivation of summer sesame in the semi arid zone of Saurashtra region having sacristy of water in summer season. |
Description: | Thesis |
ISSN: | Not Available |
Type(s) of content: | Dissertation/Thesis |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Research on Crops |
NAAS Rating: | 4.56 |
Volume No.: | Vol-15(4) |
Page Number: | 1-123 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | http://krishikosh.egranth.ac.in/ |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/31686 |
Appears in Collections: | NRM-IIWM-Publication |
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