Silindele uSepthemba, asiyeki ukuncoma izihlahla ezimbozwe ngamaqabunga amahle abomvu. Amazwe wezwe aphenduka amakhona emvula e-rainbow. Kodwa lapho nje lesi sikhathi sidlula futhi amaqabunga eqala ukuwa, kuphakama umbuzo kuphela: ungabhekana kanjani namahlamvu awile? Zonke izinsuku sibakhangela ngezinqwaba, bagcwalisa izikhwama ezinkulu noma bazishise. Futhi amaqabunga ayawa futhi.
Abalimi baseMelika bayazi ukunqoba le nkinga. Iminyaka eminingana manje, emadolobhaneni asemfuleni i-Hudson River (New York State), amaqabunga awileyo awaqoqiwe inqwaba, awathathwa, noma awashisiwe - ayakhanywa aguqulwe abe yi-mulch. Amaqabunga awile, amboza umhlaba ngesendlalelo esinyene, athungwa ngesikhwanyana. Kulokhu, kusetshenziswa ama-nozzles akhethekile agaya amaqabunga abe izingcezu ezincane. Ngenxa yale nqubo entsha, ungathola izithombo zezihlahla ezinhle kakhulu ngamaqabunga, ezisetshenziswa ngempumelelo njengomanyolo ekutshaleni ingadi. I-mulch kusuka emaqabungeni iyasiza ngoba igcina amanzi emhlabathini kahle, ayondla ngezinto eziwusizo. Ibambezela ukukhula kokhula, yenza inhlabathi ibe yinhlama ngokuphelele. I-mulch yamaqabunga etholwe ngale ndlela inokubukeka kobuhle, ifakwe kahle ngaphandle kokuthatha isikhala esiningi.
Kuyaziwa ukuthi amafemu amaningi ezentengiselwano, aqoqa amaqabunga awileyo emadolobheni ngemali ethile, bese enza i-mulch kuwo futhi awathengise kahle ezinkulisa. Usebenzisa izeluleko zabalimi baseMelika, awukwazi nje kuphela ukususa amaqabunga awileyo ngenkathi yasekwindla, kodwa futhi uthole nomanyolo oshibhile nowemvelo wezitshalo.
