Kev tsim kho tshiab uas pab txhawb kev ruaj ntseg zaub mov hauv South Africa
#SouthAfrica #agriculture #foodsecurity #innovation #hybridtruepotatoseeds #conservationagriculture #smallholderfarmers #sustainability Nyob rau xyoo tas los no, South Africa tau pom qhov kev nce qib tseem ceeb hauv kev ua liaj ua teb thiab ...