GRAIN Traders Association of Zambia (GTAZ) Spokesperson Yotam Mkandawire says the Association is targeting to buy 600,000 metric tonnes of maize and 150,000 metric tonnes of soya beans this marketing season. Mkandawire however notes that the association has not started purchasing the commodities yet because the moisture content is still very high in both crops. In an interview, Friday, Mkandawire said his Association was hopeful that it will be able to start purchasing the commodities by mid-June, once the moisture content in the two grain commodities reached the desired levels. “We haven’t started purchasing maize yet. The moisture is still high. Moisture is around 13 percent, the recommended is 12.5percent. So that 0.5 percent that you are buying, you are...