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A COMPARISON OF STRATEGIES FOR WEED MANAGEMENT IN NATURE FARMING

Sangakkara, U.R.; Amerasekera, P. and Bandaranayake, P.R.S.D. (2014) A COMPARISON OF STRATEGIES FOR WEED MANAGEMENT IN NATURE FARMING. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 2, Thuenen Report, no. 20, pp. 551-554.

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Summary

Weeds are a major problem in organic or Nature Farming systems and mechanical methods are generally used for weed control. However either mulching or growing crop in-between rows of the principal crop offers scope as a means of protecting soil and suppressing weeds. Field studies thus evaluated the impact of either a mulch or growing two intercrops as possible management strategies for controlling weeds of vegetables grown in major and minor seasons of the tropics under a Nature Farming regime. All three strategies controlled weed numbers, their biomass and increased crop yields. However the least beneficial impact was from the dead leaf mulch, while the highest degree of weed control and increments in crop yields was with the green manure intercrop. The effects of these regimes were also greater in the drier season, where weed populations are higher. The potential of these three strategies for weed management in Nature Farming or organic systems are presented on the basis of these results.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Subjects: Crop husbandry > Weed management
Research affiliation: International Conferences > 2014: 18th IFOAM OWC Scientific Track: 4th ISOFAR Scientific Conference
Sri Lanka
ISBN:978-3-86576-128-6
DOI:10.3220/REP_20_1_2014
Deposited By: Rahmann, Prof. Dr. Gerold
ID Code:24317
Deposited On:03 Nov 2014 10:28
Last Modified:03 Nov 2014 10:28
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:urn:nbn:de:gbv:253-201407-dn053621-1

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