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Paper Information

Journal:   IRANIAN JOURNAL OF SOIL AND WATER RESEARCH   2010 , Volume 41 , Number 1; Page(s) 111 To 119.
 
Paper: 

EFFECT OF DRAINAGE RATE IN DIFFERENT GROWTH STAGES OF CANOLA AS A SECOND CROP IN PADDY FIELDS (CASE STUDY: GUILAN PROVINCE)

 
 
Author(s):  FARZAMSEFAT A., PARSINEJAD M.*, YAZDANI M.R., SHARIAT AHMADI J., NOORI H., MOOSAVI S.F., EJLALI F.
 
* UNIVERSITY COLLEGE OF AGRICULTURAL AND NATURAL RESOURCES, UNIVERSITY OF TEHRAN
 
Abstract: 

One of the most important limitations for selection of second crop in paddy fields in Guilan is waterlogging in the second half of the year. For an evaluation of waterlogging effect (in adequate drainage) on canola yield, a lysimeter study was conducted implementing -10, -5, 0 and +5 cm water level for 2, 5, 7 and 10 day durations at 3 plant growing stages namely: emergence, beginning of flowering and 50% flowering stage in a factorial randomized block design. The variety of canola was Hyola 308. The results showed, increasing waterlogging duration would result in a substantially different lower yield, yield components and other traits except 1000-weight. Increasing waterlogging duration from 2 to 10 days resulted in 19.2% and 8.04% yield reduction and lower oil content, respectively. In addition, for every extra day of waterlogging from 2 to 10 days yield and oil content were lowered by 0.9 g and 0.44%. Yield and 1000-weight were substantially higher as a result of lowering the imposed water level from +5 to -10 cm. Yield and oil content increased by 11.7g and 7.4% when water level was lowered to -10 cm or 0.23 g and 0.15% for every cm of lower water level. Yield, number of sheath, dry matter and harvesting index show no sensitivity to stage of waterlogging. But number of seeds per sheath and oil content were sensitive to waterlogging during the third stage; namely: 50% flowering. One thousand weight was sensitive to waterlogging at the emergence stage.

 
Keyword(s): DRAINAGE INTENSITY, WATERLOGGING, CANOLA, SECOND CROP, PADDY FIELDS
 
 
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APA: Copy

FARZAMSEFAT, A., & PARSINEJAD, M., & YAZDANI, M., & SHARIAT AHMADI, J., & NOORI, H., & MOOSAVI, S., & EJLALI, F. (2010). EFFECT OF DRAINAGE RATE IN DIFFERENT GROWTH STAGES OF CANOLA AS A SECOND CROP IN PADDY FIELDS (CASE STUDY: GUILAN PROVINCE). IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 41(1), 111-119. https://www.sid.ir/en/journal/ViewPaper.aspx?id=275631



Vancouver: Copy

FARZAMSEFAT A., PARSINEJAD M., YAZDANI M.R., SHARIAT AHMADI J., NOORI H., MOOSAVI S.F., EJLALI F.. EFFECT OF DRAINAGE RATE IN DIFFERENT GROWTH STAGES OF CANOLA AS A SECOND CROP IN PADDY FIELDS (CASE STUDY: GUILAN PROVINCE). IRANIAN JOURNAL OF SOIL AND WATER RESEARCH. 2010 [cited 2021July31];41(1):111-119. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=275631



IEEE: Copy

FARZAMSEFAT, A., PARSINEJAD, M., YAZDANI, M., SHARIAT AHMADI, J., NOORI, H., MOOSAVI, S., EJLALI, F., 2010. EFFECT OF DRAINAGE RATE IN DIFFERENT GROWTH STAGES OF CANOLA AS A SECOND CROP IN PADDY FIELDS (CASE STUDY: GUILAN PROVINCE). IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, [online] 41(1), pp.111-119. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=275631.



 
 
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