“三姜”是指种植生姜有计划地采收母姜、嫩姜和老姜。采收“三姜”,可比全田一次挖(收)提高经济效益20％～30％。其技巧是: 采收母姜,又称收种姜、“偷娘姜”。在栽后50天左右,幼苗株高 “Three ginger” refers to planting ginger planted motherfully ginger, tender ginger and ginger. Harvest “three ginger”, comparable to the whole field dig (income) to improve economic efficiency by 20% to 30%. The trick is: harvesting mother ginger, also known as the collection of ginger, “steal mother ginger.” About 50 days after transplanting, seedling plant height