挂果和无果花卉专用肥问世我国是一个植物资源大国，素有“园艺之母”之称。在发展社会主义市场经济中，花卉已在我国广大农村形成一大产业。养花、栽花不仅美化环境，防治疾病，陶冶情操；而且以花为媒，广交朋友，促进商贸。花卉是高投入、高科技、高产出、高效益的一项... Advent of fruiting and fruiting fruiting fruits China is a big country of plant resources, known as “the mother of horticulture,” said. In developing the socialist market economy, flowers have formed a major industry in vast rural areas of our country. Flower cultivation, planting flowers not only landscaping, disease prevention, cultivating sentiments; and flowers for the media, make friends, promote commerce. Flower is a high investment, high technology, high output, high efficiency of a ...