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The lowest weighted average percentage defective soybeans on the 4,75 mm sieve was observed on the samples from Mpumalanga, namely 1,46%. The national weighted average percentage decreased from 1,81% the previous season to 0,92% this season.

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The Free State averaged 1,03% (23 samples). Mpumalanga with the highest number of samples (91) reported an average of 0,90%. North West Province (eight samples) reported the highest weighted average percentage soybeans and parts of soybeans above the 1,8 mm slotted sieve which pass through the 4,75 mm round hole sieve, namely 1,56% and the sample from the Northern Cape the lowest at 0,40%. The national weighted average percentage this season was 0,04% compared to the 0,01% of the previous season. These percentages are, however, still well below the maximum permissible level of 4%. The highest percentages of sclerotia observed (0,76% and 0,64%) were on samples from Mpumalanga, followed by a sample from North West Province with 0,60%. The number of samples containing sclerotia increased from 20 in the previous season to 36 this season. The perВcentage in the rest of the samples ranged from 0,26 in the Northern Cape to 0,91 in Mpumalanga. The samples from the North West Province had the highest weighted average percentage, namely 1,62%. The national average percentage foreign matter increased over the last five seasons to the highest level this season, increasing from 0,34% in 2011/2012 to 0,82% last season to 0,85%. The percentage of these pods in the samples ranged from 0,05% to 0,50% based on a working sample size of at least 200 g. All of these pods were green upon receipt at the SAGL, but not wet according to the definition. Pods were found in twelve of the 143 samples graded.

The majority of the samples was downgraded as a result of either the presence of poisonous seeds exceeding the maximum perВmissible number of either one per 1 000 g or seven per 1 000 g or as a result of the percentage other grain and/or foreign matter exceeding the maximum permissible deviations of 0,5% and 5% respectively.ДЄccording to the South African soybean grading regulations, the determination of the percentage wet pods in a consignment shall be done on a working sample of at least 10 kg of soybeans from a representative sample of the consignment.Дue to practical considerations, the samples received at the Southern African Grain Laboratory (SAGL) from the grain storage companies, are typically В± 5 kg. During the previous two seasons, 87% (2014/2015) and 88% (2013/2014) of the samples were graded SB1. 143 composite soybean samples, representing the different production regions, were analysed for quality and the results were published in the fifth annual soybean crop quality survey report.ДЁ9% (127) of the 143 samples analysed for the purpose of this survey were graded as Grade SB1 and 16 of the samples were downgraded to class other soybeans (COSB). Soybeans account for more than half of the worldвЂ™s oilseed production.Дuring the 2016 harvesting season, a representative sample of each delivery of soybeans at the various silos was taken according to the prescribed grading regulations. The world soybean production during the 2016/2017 season is projected to be 340,79 million metric tons. The United States contributed 34%, Brazil 31% and Argentina 18% to this total. Assuming normal rainfall patterns, production is expected to recover to more than 900 000 tons this year.ДЄn estimated 312,81 million metric tons of soybeans were produced during the 2015/2016 season, according to the World Agricultural Supply and Demand Estimates Report (WASDE вЂ“ 563). Figures were obtained from the Crop Estimates Committee.ДЄccording to the Bureau for Food and Agricultural Policy (BFAP) Baseline, Agricultural Outlook 2016 to 2025, a high demand for soybeans arising from expanded crushing capacity is expected to cause a sharp increase in area utilised for soybean production in 2017 ( Graph 1). The major soybean-producing provinces, contributing 75% of the total crop, were Mpumalanga and the Free State. Sunflower production surpassed soybean production for the first time since the 2010/2011 season. The result was an almost 31% (328 000 tons) decline in the commercial soybean crop compared to the previous season. Yield was also negatively impacted, with the average national yield decreasing from 1,56 t/ha in 2014/2015 to 1,47 t/ha. The extreme drought conditions experienced during the 2015/2016 season, led to an almost 27% (184 500 ha) decline in soybean production area. August 2017 Jolanda NortjГ©, laboratory manager, Southern African Grain Laboratory NPC