After the crops are harvested, a large amount of straw is stacked in the fields. In South Africa, the most straightforward way for people to deal with these straws is to burn them, but burning straws bring great harm. For example, some cities have severe haze caused by burning straw, which has a great impact on people’s health and environment. In the recent years, the silage baler for sale in South Africa is a hot sale product, for the awareness of environmental protection has been improving.
那么，焚烧秸秆有哪些危害呢？
Harm human health
燃烧秸秆对人体健康有害。农作物秸秆含有氮、磷、钾、碳氢化合物和有机硫。特别是秸秆如果尚未干燥，燃烧不完全后会产生大量有害物质。
还可能产生臭氧等二次污染物。其次，燃烧秸秆时，如果可吸入颗粒物浓度达到一定程度，就会伤害人们的眼睛、鼻子和喉咙。更糟糕的是，它会导致咳嗽、胸闷和流泪。
Reduce soil fertility and the land become barren
秸秆中所含的氮、硫等元素大部分转化为挥发性物质或颗粒进入大气。土壤中仅保留钾等部分物质，营养元素流失严重，不利于土壤肥力。
据测定，秸秆每燃烧一次，土壤有机质就会减少0.2至0.3个百分点。如果这些土壤有机质是通过秸秆还田产生的，通常需要连续5到10年的时间。
研究表明，焚烧后土壤中细菌和真菌的数量分别减少了85.95%、78.58%和87.28%。
Silage baler for sale in South Africa should be widely used
In summary, the harm caused by straw combustion is extremely great. After reading this article, I believe that everyone has a preliminary understanding about it. I hope people in South Africa can improve their awareness and widely use silage baler to reduce the harm of burning straw.