Emkhakheni wezokukhiqiza kwezolimo kanye nocwaningo lwesayensi, ukuqonda okunembile kwezimo zenhlabathi kubalulekile. Inzwa yomhlabathi engu-8 ku-1, ezokwethulwa namuhla, isibe yisandla sokudla sabachwepheshe abaningi ngemisebenzi yayo enamandla.
Ithuluzi lokukhulisa umkhiqizo emapulazini amakhulu
Epulazini elikhulu lokulima ukudla e-Australia, isivuno besinzima ukusedlula esikhathini esidlule ngokuthembela kokuhlangenwe nakho ekusebenzeni kwezolimo. Lokhu kushintshe kakhulu ngokwethulwa kwenzwa yomhlabathi engu-8 ku-1. Le nzwa inokunemba okuphezulu kakhulu, ingaba nembe kakhulu ngesikhathi esifanayo ukuqapha i-pH yomhlabathi, i-nitrogen, i-phosphorus kanye nokuqukethwe kwe-potassium, umswakama, izinga lokushisa kanye nezinye izinkomba eziyisishiyagalombili ezibalulekile, ukuhlinzeka ngokusekelwa kwedatha okuthembekile kubalimi. Ukuqina kwayo kuhle kakhulu, futhi ngeke kube khona ukuphambuka kwedatha ngenxa yokushintshashintsha okuncane endaweni ezungezile, okuqinisekisa ukukhishwa kwedatha okuzinzile isikhathi eside. Ngaphezu kwalokho, kulula ukuyifaka, ngaphandle kwamathuluzi ochwepheshe ayinkimbinkimbi kanye nenqubo ende yokuthumela, abasebenzi basepulazini bangakuqeda kalula ukufakwa.
Ngokusekelwe kudatha yempendulo yenzwa, umlimi angakwazi ukulungisa ngokunembile uhlelo lokufaka umanyolo. Uma inzwa ibonisa ukuntuleka kwe-nitrogen enhlabathini, ngedatha yayo eqondile, umlimi angafaka umanyolo we-nitrogen ngendlela efanele nangesikhathi esifanele, egwema imfucuza kanye nokungcoliswa komhlaba okubangelwa ukufakelwa umanyolo okungaboni. Ngokuphathelene nokunisela, idatha yomswakama womhlabathi wenzwa engu-8 ku-1 ngesikhathi sangempela, ukuze abalimi bakwazi ukuhlela isikhathi sokunisela namanzi ngokufanele, ukuqinisekisa ukuthi izitshalo zihlala zisendaweni engcono kakhulu yokukhula. Phakathi nonyaka, ukukhiqizwa kokudla kwepulazi kukhuphuke ngo-25%, kodwa izindleko zehle ngo-15%, kanti inzwa yomhlaba engu-8 ku-1 isibe yisihluthulelo sokwandisa imali engenayo yepulazi.
Umngane onakekelayo wabathandi bezingadi zasemadolobheni
Ezingadini zasemadolobheni ezisophahleni nasezindaweni ezincane zokutshala izitshalo, isikhala sincane, futhi izimo zenhlabathi zidinga kakhulu. UMnu. Lee, umthandi wengadi, ufake inzwa yomhlabathi engu-8 ku-1 engadini yakhe ephahleni. Incane, kulula ukuyifaka, kodwa inamandla. Angabona izinkomba zomhlabathi ngesikhathi sangempela kusuka kuselula yakhe. Lapho etshala izimbali, lapho izinzwa zibona ukuthi i-pH yomhlabathi ayifanele ukukhula kwezimbali, ngokushesha wenza ukuthuthukiswa komhlabathi ukuqinisekisa ukuthi izimbali ziyachuma. Ngenzwa yomhlabathi engu-8 ku-1, ingadi igcwele izimbali nezithelo, futhi omakhelwane banomona futhi bamcele iseluleko.
Ukusekelwa okunembile kwamaphrojekthi ocwaningo lwesayensi
Iphrojekthi yocwaningo lwezolimo eyunivesithi eNdiya yadinga ucwaningo olujulile lokukhula kwezitshalo ezindaweni ezahlukene zenhlabathi. Inzwa yomhlabathi engu-8 ku-1 idlala indima ebalulekile. Ngayo, abacwaningi bathole inani elikhulu ledatha yenhlabathi enembile, enikeza ukwesekwa okuqinile kokutadisha ukuzivumelanisa nezimo zenhlabathi ezahlukene. Isibonelo, ekufundweni kwezinhlobo ezintsha zezitshalo, ngokusho kwedatha yenzwa, abacwaningi bathole ukuthi izinhlobo ezingaphansi kwezimo ezithile zokushisa kwenhlabathi kanye nomswakama, ukukhula kwezimpande kungcono, ngaleyo ndlela kuhlinzeka ngesisekelo sesayensi sokwenza ngcono uhlelo lokutshala, kanye nokukhuthaza intuthuko ebushelelezi yephrojekthi yocwaningo lwesayensi.
Kungakhathaliseki ukuthi ukukhiqizwa kwezolimo okukhulu, ukutshala izitshalo ezincane, noma amaphrojekthi ocwaningo lwesayensi oluqinile, inzwa yomhlabathi engu-8 ku-1 ingadlala indima enkulu ngamakhono ayo okuqapha aphelele futhi anembile. Uma ukhathazeka nangokubheka nokuphatha izimo zenhlabathi, zama le nzwa yomhlabathi emangalisayo engu-8 ku-1 ukuze uqale uhambo lokutshala nokucwaninga oluphumelelayo nolwesayensi.
Uma unenkinga,
sicela uxhumane nonjiniyela wethu, uMarvin
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Email: marvin@hondetech.com
Isikhathi sokuthunyelwe: Mashi-07-2025