求翻译：为什么康乃馨比玫瑰要便宜那么多？上海鲜花港公司董事长赵才标说，康乃馨种植相对容易，而玫瑰种植难度相对较大，尤其在北方，一般要在温室里种植才存活得比较好。是什么意思？

Why carnations so much more than roses cheaper? Zhao, chairman of the Shanghai Flower Port standard Carnation planting is relatively easy, while the difficulty of rose cultivation is relatively large, especially in the north, generally grown in a greenhouse only survive better.

Why red carnations and roses are less expensive than so many? Our company Shanghai flowers is chairman, said Zhao, and carnations, and relatively easy cultivation rose cultivation relatively difficult, especially in a large one in the north, and in general to Greenhouses has been fairly well to surv

Why does the carnation want cheaply compared to the rose that many? Shanghai Fresh flower Port Company Chairman Zhao Caibiao said that, the carnation planter is relatively easy, but rose planter difficulty relative big, in the north, generally must plant especially in the greenhouse only then surviv

Why Carnation so much cheaper than roses? Shanghai flower port Chairman Zhao Caibiao said that the Carnation plant is relatively easy, and roses planted relatively larger difficulty, particularly in the North, generally only survive better in greenhouse cultivation.

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