居室养花为什么要通风?
①居室内由于人的停留和活动,特别在通风条件不良的情况下,人员拥挤形成的呼吸和排出的二氧化碳、氮、氨等气体,以及烟雾中含的尼古丁、室内的霉菌等混合形成了污染。如果通风条件差,被置换的空气就少,这样的环境不论是对人还是对花卉都会带来不利的影响。
②植物的叶子除需吸收二氧化碳进行光合作用外.还要利用氧气进行呼吸。但由于植物本身不会移动,所以经常使其处于新鲜的流动空气中,对其生理作用的顺利进行是必要的。
③当植物体内由根供给的水分积贮过多时,可以通过叶子的蒸腾作用向空气中排放一部分,而蒸腾作用也是需要依靠通风来进行的。
④若是植物枝叶过于拥挤,相互之间很少有空隙会造成通风不良,这不仅会使植物的生理作用难以顺利进行,还很容易导致病虫害的发生,必要时应对植物枝叶进行适当疏剪。
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