growth substance meaning in Chinese

生长素
生长物质
助长剂

About application of plant growth substances on green food production
植物生长物质的使用与绿色果品生产
Effects of plant growth substances on induction and culture of callus from rhodiola quadrifida
植物生长物质对红景天愈伤组织诱导和培养的影响
Growth factor any substance that affects the growth of a plant . this includes growth substances ( hormones ) and growth inhibitors , as well as food reserves and minerals
生长因子：是能够影响植物生长的任何一种物质都可被称为生长因子。包括生长物质（激素）和生长抑制剂，就像养分和矿物质一样。