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1.
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Break-even yields for alternate tapping systems : A further review by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Planters Bulletin 1988
Availability: Not available: RRII Library: Journals (1).

2.
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Break-even yields for selected tapping systems : A review by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Planters Bulletin 1984
Availability: Not available: RRII Library: Journals (1).

3.
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Economics of various tapping systems with stimulation by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Planters Bulletin 1978
Availability: Not available: RRII Library: Journals (1).

4.
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Towards rational use of ethephon in Hevea by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Journal of the Rubber Research Institute of Sri Lanka : Conference Proceedings 1977
Availability: Not available: RRII Library: Journals (1).