Chifukwa cha kusinthasintha kwa nyengo ndi zochitika za nyengo yoipa, kufunikira koyang'anira zanyengo kwakhala kofunika kwambiri. Kaya ndiulimi, mphamvu, chitetezo cha chilengedwe kapena kasamalidwe ka matauni, deta yolondola yazanyengo ndi maziko ofunikira pakusankha ...
Pamene nkhawa za kuipitsidwa kwa madzi padziko lonse lapansi zikuchulukirachulukira, mafakitale ndi matauni akuchulukirachulukira kutengera turbidity, COD (Chemical Oxygen Demand), ndi BOD (Biochemical Oxygen Demand) kuti atsimikizire kuyendetsedwa bwino kwa madzi. Malinga ndi kusaka kwaposachedwa kwa Alibaba International, kufunikira kwa ...
Kukwezeleza malo ochitira zaulimi ndikofunika kwambiri pakukula kwaulimi ku Philippines. Monga dziko lalikulu laulimi, kumanga ndi kukwezeleza malo ochitira zaulimi ku Philippines kutha kupereka zolondola zanyengo ...