如何：“诊断”花木缺少哪种元素？家庭养花，人们总想使花卉生长得叶旺花多。但往往摸不清花卉在生长过程中需要什么元素养分和花的习性，或一味追施某一种元素肥，致使花卉生长不良，不是生长弱，便是开花少或不开花、不结实。我们知道，花卉在生长发育过程中需要大量的... HOW DOES: “DIAGNOSTING” WHAT ELEMENTS ARE LEFT? Family flowers, people always want to make flowers grow more leafy flowers. But often can not figure out the flower in the growth process what elements of nutrients and flower habits, or blindly pursue a certain kind of elemental fertilizer, resulting in poor growth of flowers, not growth is weak, is less flowering or not flowering, not strong. We know that flowers need a lot of growth and development ...