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Title: Potential constraint of rainfall availability on the establishment and expansion of agroforestry in the Mopani District, Limpopo Province in South Africa.
Authors: Dube, Zakheleni Palane.
School of Agricultural Sciences
Keywords: Agrosilviculture system.;Rainwater.;Food security.;Limpopo Province.;South Africa.
Issue Date: 2021
Abstract: Agroforestry is a land use system that includes the use of woody perennial and agricultural crops and animals in combination to achieve beneficial ecological and economical interactions for food, fiber and livestock production. South Africa is considered a semi – arid country vulnerable to water stress, particularly drought. Limpopo Province average annual rainfall is 600mm and the threshold for rainfall agriculture is averaged at 250mm annually. In terms of forestry, rainfall needs to be higher than 750mm per annum to sustain commercial forestry. The objective of the study was to determine the potential constraint of rainwater on the establishment and expansion of agroforestry in Mopani district, Limpopo Province. A purposive sampling technique was used to select 62 agrosilviculture community growers and were spread on the 20ha SAFCOL forestland and each grower was allocated a row of 3226m2 (1ha = 10000m2; 20ha * 10000 = 200000m2/62) for production. Quantitative and qualitative designs were used. The results were based on the month the data collection started: September 2019 rainfall results indicated that there was generally good rainfall (25 - 50mm) in the agroforestry sites as compared to the agricultural open field areas. October 2019 rainfall situation improved with an increase in rainfall (51 - 100mm). During November and December 2019, increasing rainfall was experienced at 100 - 200mm and 175 - 250mm, respectively. The last three rainfall status (33rd, median & 66th percentiles) indicated the estimates of rainfall in the future years. It estimated annual rainfalls at 601 and +1000mm; +1000mm & +1000mm across 33rd, 50th & 66th percentiles, respectively. This rainfall situation is well above the Limpopo Province annual average rainfall, agriculture and forestry thresholds. Currently, the eucalyptus trees AGROFOR International Journal, Vol. 6, Issue No. 1, 2021 27 were integrated with other crops including maize, sweet potatoes, groundnuts and bambara nuts. It is thus recommended that the establishment and expansion of agroforestry be carried out in the identified suitable areas.
Description: Please note that only UMP researchers are shown in the metadata. To access the co-authors, please view the full text.
DOI: 10.7251/AGRENG2101026M
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