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Tillage and weed control interactions on a semi-arid granitic catena. II. Weed responses

By: Contributor(s): Material type: TextTextPublication details: Addis Ababa (Ethiopia) CIMMYT|EARO : 1999Description: p. 318-321ISBN:
  • 92-9146-065-6
Subject(s): DDC classification:
  • 633.15 EAS No. 6
Summary: Weed management affects the availability of soil moisture to the crop and therefore needs to be incorporated as a key element in conservation tillage. In this the second of three papers, we discuss the preliminary weed responses to reduced tillage for crop establishment and weeding methods reported in paper I. The third paper addresses the socioeconomic issues of participating farmers. The low draught minimum tillage planting techniques of open plough furrow planting (OPFP) and planting into a rip line (RIP), were associated with greater weed infestations than those observed on plots established by the farmers practice of third furrow planting (TFP). High numbers of Hibscus meeusei, Commelina benghalensis, Commelina subulata, Acanthospermum hispidum and Eleusine indica were found following OPFP and RIP. TFP tended to stimulate the emergence of Richardia scabra and Fimbristylis exilis. Low numbers of some common weed species emerged following the use of weeding with the ox-plough with supplementary hand hoeing (OPHH), particularly E. indica and A. hispidum, compared to hand hoeing (HH) and hand hoeing + ox- cultivation (OCHH). The evaluated weeding methods generally gave a similar level of weed control.
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Item type Current library Collection Call number Copy number Status Date due Barcode Item holds
Conference proceedings CIMMYT Knowledge Center: John Woolston Library CIMMYT Publications Collection 633.15 EAS No. 6 (Browse shelf(Opens below)) 1 Available 2L649283
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Weed management affects the availability of soil moisture to the crop and therefore needs to be incorporated as a key element in conservation tillage. In this the second of three papers, we discuss the preliminary weed responses to reduced tillage for crop establishment and weeding methods reported in paper I. The third paper addresses the socioeconomic issues of participating farmers. The low draught minimum tillage planting techniques of open plough furrow planting (OPFP) and planting into a rip line (RIP), were associated with greater weed infestations than those observed on plots established by the farmers practice of third furrow planting (TFP). High numbers of Hibscus meeusei, Commelina benghalensis, Commelina subulata, Acanthospermum hispidum and Eleusine indica were found following OPFP and RIP. TFP tended to stimulate the emergence of Richardia scabra and Fimbristylis exilis. Low numbers of some common weed species emerged following the use of weeding with the ox-plough with supplementary hand hoeing (OPHH), particularly E. indica and A. hispidum, compared to hand hoeing (HH) and hand hoeing + ox- cultivation (OCHH). The evaluated weeding methods generally gave a similar level of weed control.

English

0103|AL-Maize Program|AGRIS 0102|AJ

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