🇿🇼Zimbabwe : Wheat Harvesting Secrets: How to Maximize Yield and Quality. ZBC News On this week’s episode of Our Farm, we look at the best techniques to get a good harvest from your wheat crop. We will show you how to measure the moisture level of your wheat, how to perform necessary maintenance on your combine, and how to adjust the combine header for optimal cutting. We will also discuss the pros and cons of swathing and applying glyphosate as pre-harvest management methods. You will learn h