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.
Basi, madhara ya kuchoma majani ni yapi?
Uharibifu kwa afya ya binadamu
Kuchoma majani ni madhara kwa afya ya binadamu. Majani ya mazao yana kiasi cha nitrojeni, fosforasi, potasiamu, hydrocarbons na sulfuri ya kikaboni. Hasa, ikiwa majani bado hayajachacha, vitu vingi vya madhara vitazalishwa baada ya mwako usio kamilifu.
Pia inaweza kuzalisha vichafuzi vya pili kama vile ozoni. Pili, wakati wa kuchoma majani, ikiwa mkusanyiko wa chembechembe zinazovuta hewa unafikia kiwango fulani, inaweza kuumiza macho, pua na koo za watu. Hali mbaya zaidi, inaweza kusababisha kikohozi, kifua na macho yanayomwaga machozi.
Kupunguza rutuba ya udongo na ardhi kuwa oevu
Nyingi ya nitrojeni, sulfuri na elementi nyingine zilizomo kwenye majani hubadilika kuwa vitu vya mvuke au chembechembe na kuingia angani. Vitu vingine kama potasiamu vinabaki kwenye udongo, na virutubisho vinapotea kwa kiasi kikubwa, jambo ambalo si jema kwa rutuba ya udongo.
Imethibitishwa kuwa kila kuchoma majani kuna punguza asilimia 0.2 hadi 0.3 ya vitu vya kikaboni vya udongo. Ikiwa vitu hivi vya kikaboni vinazalishwa kwa kurudisha majani shambani, kwa kawaida huchukua miaka 5 hadi 10 mfululizo.
Utafiti umeonyesha kuwa idadi ya bakteria na fangasi kwenye udongo baada ya kuchomwa ilipunguzwa kwa 85.95%, 78.58%, na 87.28% mtawalia.
Bale ya silage inayouzwa Afrika Kusini inapaswa kutumika sana
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 Baler ya silage to reduce the harm of burning straw.