Ukuqonda Intuthuko Yemithi Yokubulala Ukhula Yezolimo

Kwezolimo, ukukhulisa umkhiqizo ngenkathi kunciphisa ukulimala kwezitshalo okhula kuyinselelo eqhubekayo.Abalimi bathembele emasu ahlukahlukene ukuze banqobe lesi sihibe, elinye eliphumelelayo ukusetshenziswa kwemithi yokubulala ukhula.Ama-herbicides ayizixazululo zamakhemikhali eziklanyelwe ngqo ukulawula noma ukuqeda uhlaza olungafuneki, oluvame ukubizwa ngokuthi ukhula.Intuthuko emithini yokubulala ukhula iguqule isimo sezolimo eminyakeni edlule, iqinisekisa isivuno esiphezulu kanye nezinqubo zokulima ezisimeme.

Imichilo yokubulala ukhula yendabuko imvamisa iyi-spectrum ebanzi futhi yakhelwe ukubulala zonke izitshalo ezisendleleni yazo.Nokho, le ndlela inemikhawulo yayo njengoba ingalimaza nezitshalo ezizungezile futhi iphazamise imvelo.Beqaphela lezi zinkinga, ososayensi baye benza imithi yokubulala ukhula ekhetha izinhlobo ezithile zokhula ngaphandle kokulimaza izitshalo.

Ukukhethwa sekuyisici esibalulekile semithi yokubulala ukhula yesimanje.Lokhu akugcini nje ngokukhulisa ukukhiqiza kwezolimo, futhi kunciphisa ukusetshenziswa kwamakhemikhali kukonke, okwenza inqubo ihambisane nemvelo.Imithi yokubulala ukhula esethuthukile manje ingahlukanisa phakathi kwezitshalo ezifiselekayo nokhula oluhlaselayo, iqinisekise ukuphathwa kahle kokhula nokulawulwayo.

Iqhaza Lokusungula Kwamakhemikhali Kumithi Yokubulala Ukhula Kwezolimo

Ukuqanjwa kabusha kwamakhemikhali kudlale indima ebalulekile ekuthuthukisweni kwemithi yokubulala ukhula.Ngocwaningo oluqhubekayo, ososayensi bathole izinhlanganisela eziningi eziqondise izinhlobo ezithile zokhula, okubenza baphumelele kakhulu ekucindezeleni ukukhula kwezitshalo okungafunwa.

Ukwengeza, imithi yokubulala ukhula manje yenziwe ukuze ibe nezindlela ezihlukahlukene zokwenza.Lokho kusho ukuthi ziphazamisa ukukhula kokhula ngezindlela eziningi, kusukela ekuvimbeleni ukwakheka kwamaprotheni kuya ekuphazamiseni i-photosynthesis.Ngokusebenzisa izindlela ezahlukene zokwenza, abalimi bangavimbela ukukhula kokungazweli ukhula ngokuhamba kwesikhathi, ngaleyo ndlela bagcine ukusebenza kahle kwezibulala-khula ngokuhamba kwesikhathi.

Enye intuthuko enkulu ekhemistry yokubulala ukhula kube ukuthuthukiswa kwezinhlobo zezitshalo ezimelana nokubulala ukhula.Lezi zitshalo eziguqulwe ngofuzo zingamelana nokusetshenziswa kwemithi ethile yokubulala ukhula, okuvumela abalimi ukuthi bayisebenzise ngaphandle kokulimaza izitshalo.Lobu buchwepheshe buyashintsha, buvumela indlela eqondiswe kakhulu futhi ephumelelayo yokulawula ukhula kwezolimo.

Sengiphetha, imithi yokubulala ukhula isiguqule ezolimo, inika abalimi amathuluzi anamandla okunciphisa ukukhula kokhula nokwandisa isivuno sezitshalo.Intuthuko yesayensi iqhubekisele phambili ama-herbicides ekukhetheni okunciphisa umthelela wendawo ngenkathi kulawulwa ngempumelelo ukhula.Ukwengeza, ukusungulwa kwamakhemikhali kuhlukanisa uhla lwama-herbicides atholakalayo, okuqinisekisa ukuthi ukumelana nokhula kuyavinjelwa ngezindlela ezahlukene zokwenza.Ngocwaningo oluqhubekayo nentuthuko, ikusasa lemithi yokubulala ukhula kwezolimo libukeka lithembisa, livula indlela yezindlela zokulima ezisimeme futhi eziphumelelayo.