Effects of Different Mulching Patterns on Weeds in Orchards

ZHANG Miaomiao; DOU Menglan; AO Su; ZHU Chaohua

doi:10.15886/j.cnki.rdswxb.2019.03.016

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In order to reduce the use of chemical herbicides, different mulching patterns were used to control weeds in orchards. Plot experiments were conducted on three treatments including mulching with five species of plants, black plastic film mulching and herbicide in the experiment, with clean tillage as control. Weed species, weed density and species diversity of weed community under the treatments were observed and recorded. The results showed that the mulching treatment was low in weed species, the weed density, the species richness（S） and the population diversity（H） than the control, and that all the treatments except the herbicide treatment and the mulching treatment with Medicago sativa L. had lower dominant concentration index（C） than the control,. The evenness（J） of the weeds was less in the treatment of mulching of Desmodium heterocarpum（L.） and Stålosanthes than that of the control. This study showed that five species of plants cut for mulching can effectively reduce the growth of weeds and reduce the species diversity of weeds in the field for better control of weeds.

Effects of Different Mulching Patterns on Weeds in Orchards

1. College of Tropical Crops, Hainan University, Haikou, Hainan 570228, China;

2. Hainan Bureau of Entry and Exit Inspection and Quarantine, Haikou, Hainan 570311, China

Received Date: 2019-07-02

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Abstract: In order to reduce the use of chemical herbicides, different mulching patterns were used to control weeds in orchards. Plot experiments were conducted on three treatments including mulching with five species of plants, black plastic film mulching and herbicide in the experiment, with clean tillage as control. Weed species, weed density and species diversity of weed community under the treatments were observed and recorded. The results showed that the mulching treatment was low in weed species, the weed density, the species richness（S） and the population diversity（H） than the control, and that all the treatments except the herbicide treatment and the mulching treatment with Medicago sativa L. had lower dominant concentration index（C） than the control,. The evenness（J） of the weeds was less in the treatment of mulching of Desmodium heterocarpum（L.） and Stålosanthes than that of the control. This study showed that five species of plants cut for mulching can effectively reduce the growth of weeds and reduce the species diversity of weeds in the field for better control of weeds.

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Reference (9)

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Effects of Different Mulching Patterns on Weeds in Orchards

doi: 10.15886/j.cnki.rdswxb.2019.03.016

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