杂草具有顽强的生命力,能够适应恶劣环境.为了揭开杂草顽强生命力之谜,印度科学家对几种地方性的杂草籽进行了深入研究.他们发现杂草籽中含有特殊的增强生命力的物质,并从杂草籽中提取了这种生物激素物质.把这种物质施入土壤中,当粮食作物吸收了这种生物激素后,不仅提高了产量,而且对外界不良环境的抵抗力也增强了. Weeds have tenacious vitality and can adapt to the harsh environment.In order to uncover the mystery weeds stubborn vitality, Indian scientists conducted an in-depth study of several endemic weeds.We found that weed seeds contain special vitality Substances and extract this bio-hormonal substance from weed seeds. When this substance is applied to the soil, the food crop absorbs such bio-hormones not only to increase the yield but also to increase the resistance to the adverse environment It’s