FOR Bill Kingham the 1960s-era potato grader he demonstrated to crowds of onlookers on Saturday isn’t just a piece of antique machinery, it’s an item that made his life a lot easier for the 46 years ...
Grading Chinese potatoes (koorka) based on their size has for long been a major headache to farmers, given the time and labour charge involved in it. Now, the Central Tuber Crops Research Institute ...