| Country / location | Vietnam / Tay Ninh province |
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| Objectives | Increase yield |
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| Haifa product tested | Multi-K 13-0-46 |
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| Application method | Side dressing |
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| Tested treatment | B.D.: SOP, 150 kg/ha
S.D.: Multi-K 100 kg/ha @ 60 d.a.p. +150 kg/ha @ 180 d.a.p.
+ 50 kg/ha @ 270 d.a.p.
Current practice is S.D.: 150 kg/ha MOP |
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| Control treatment results | 80 MT/ha @ 10 degrees Brix
Grower’s revenue from yield: 13.7 US$/MT |
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| Best treatment results | 96 MT/ha @ 10 degrees Brix
Grower’s revenue from yield: 13.7 US$/MT
Cost of treatment (application + material – cost of MOP) = 60 US$/ha |
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| Net benefit of best treatment | 160 US$/ha |
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| Benefit/Cost ratio | 2.67 |
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| Conclusions |
Split application of Multi-K is considerably superior to a single application of MOP. |
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| Reference | Mr. Ho Ngoc Thanh (Astraco – Vietnam) & Extensive Agriculture Department, Tay Ninh province |
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