同义高级简洁替换：The winter wheat was harvested when grains were full and golden to physiological maturity and each plot was sampled by removing 1 m of side rows and side plants avoiding border rows and the a

The winter wheat was harvested at full maturity, with grains exhibiting a rich golden hue. Each plot was sampled by extracting a 1 m section of side rows and plants (excluding border rows), covering an area of 2 m2.