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Land use and land use changes by the farmers from mulberry (Morus alba) plantations to green forest tree based farming for income growth and sustainability in Malda district of India

XV World Forestry Congress, 2-6 May 2022









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    The green pathway to growth and sustainability: Sustainable management of rubber plantations
    XV World Forestry Congress, 2-6 May 2022
    2022
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    Vietnam Rubber Group (VRG) is the largest natural rubber producer, with over 410,000 ha located in Viet Nam, Laos, and Cambodia. VRG is always aware of the responsibility for a sustainable enterprise; VRG’s efforts demonstrate an excellent example in promoting rubber sustainability.
    VRG is the leading enterprise in implementing the Viet Nam Forest Certification Scheme (VFCS) and PEFC certificates in the rubber sector. In 2021, about 55,000 ha rubber plantations and 22 natural rubber processing factories were certified under the VFCS/PEFC standards; another 57,000 ha and 14 natural rubber processing factories will be certified by the end of 2021 and 300,000 ha certified by 2022.
    In economic terms, VRG rubber plantations have an average yield of 1.56 ton/ha/year, which is much higher than the global average yield, through the focusing on R&D and innovative solutions, especially: new high yielding rubber clones; advanced techniques in harvesting and soil protection; intercropping and Integrated Disease Management.
    VRG pays attention to environmental values by applying the best practices to reduce significant carbon emissions: increasing the use of organic fertilizers; installing solar power systems for rubber factories; developing new processing process to reduce 40% of electric usage and DO oil; using biological waste treatment; and reusing 1.5 million m3/year (25% of total water usage) of treated wastewater.
    VRG demonstrates the social responsibilities and has meaningful contributions to society by improving the living conditions of VRG workers and surrounding communities (infrastructure and health care facility improvement; job and income creation).
    VRG strongly considers sustainable development as the green pathway of the future and business growth; VRG looks forward to sharing the best practices and the importance of industry sustainability leadership. Keywords: Sustainable forest management, Agriculture, Deforestation and forest degradation ID: 3486754
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    Impact of rubber tree plantations chronosequence on soil fertility and soil organic carbon stocks, Gurafarda District, Southwest Ethiopia
    XV World Forestry Congress, 2-6 May 2022
    2022
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    Rubber tree is one of the important commercial commodities in the globe. This study was conducted to examine the change in soil fertility and soil organic carbon stocks following conversion of forest to rubber plantation of different ages (5, 10, 15, 20 and 25 years) and coffee agroforestry. The field experiment was conducted in Guraferda district, Southwest Ethiopia. The soil samples were collected from 20× 20 m 2 plots at 30 cm depth, with three replicates at a 100 m interval. A total of 42 soil samples were taken from the three land-use types. The soil moisture content (MC), porosity, soil pH, organic carbon (OC), total nitrogen (N), available phosphorous (P), exchangeable bases, CEC (cation exchange capacity) and base saturation (B)S content of the NF (natural forest), CA(coffee agroforestry) and old age rubber plantation (RP15, RP20 and RP25) were higher than the early years of rubber plantation (RP5 and RP10). The highest soil organic carbon stocks (SOC) were recorded in NF (114.3 Mg ha -1 ), CA (112.2 Mg ha -1 ), RP25 (98.5 Mg ha -1 ) and RP20 (97.8 Mg ha -1 ). The SOC loss because of conversion of NF to RP5 (11.0 Mg ha -1 y -1), RP10 (5.3 Mg ha -1 y -1 ), RP15 (2.3 Mg ha -1 y -1 ), RP20 (0.8 Mg ha -1 y -1 ), RP25 (0.6 Mg ha -1 y -1 ) and CA (0.1 Mg ha -1 y -1 ). In general, old age rubber plantation (RP20 and RP25) showed proportional levels of soil fertility and soil organic carbon stocks compared with the natural forest and the coffee agroforestry. Since all physico-chemical characteristics were low at the early years of rubber plantation, we recommend to supplement significant proportions of nutrient to the early years of rubber plantation (0-10 years). Keywords: Rubber plantation, Land use types, Physico-chemical characteristics, Soil organic carbon stocks, Organic carbon loss. ID: 3605459
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    Projection modeling-based geospatial analysis of land use-land cover change at Hasdeo River Watershed, Chhattisgarh, India
    XV World Forestry Congress, 2-6 May 2022
    2022
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    The land-use change in the Hasdeo River watershed has been observed with all its subwatersheds. The changing patterns may portend localized impairment to forest and agricultural watershed. In this study, Land-use land-cover (LULC) change was modeled using terrset modeling software. The Hasdeo river watershed (geographical extent of 10,396.373 km2) is a part of the Mahanadi River basin in Chhattisgarh, India. Hasdeo River originates from Sonhat (Koriya district, Chhattisgarh, India) and is submerged into the river Mahanadi. It flows in the stretch of 330 km from north to south direction. This river has eight subwatersheds with rich forest diversity and perennial water resources. IRS-1D & P6 LISS3 images from the years 2000 and 2013 were used to investigate the LULC pattern. This has been used for the prediction of LULC change patterns for the years 2035 and 2050 based on the Markov model. The result of the project LULC map for the year 2000-2035 and 2000-2050 shows that the dense forest area will decrease by 12.30% and 15.68% respectively. The settlement area will significantly increase by 20.13% (2035) and 34.90% (2050) and will be the dominant land-use type in the watershed. It shows that population pressure will directly affect forest vegetation and agriculture activities. This study will be helpful for the effective sustainability approach for maintaining the proper LULC pattern of LULC pattern of land-use change in the watershed. This changing pattern will also influence the farming pattern in the catchment area of the Hasdeo River watershed. Keywords: Adaptive and integrated management, Deforestation and forest degradation, Landscape management, Monitoring and data collection, Sustainable forest management ID: 3487496

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