Ucwaningo oluphothulwe usosayensi wezoLimo kanye ne-Agri-Food Canada (AAFC) luthole izitshalo zokuvala zasebusika ezitshalwe ngemva kokuba amazambane angaba wusizo emvelweni naseqophelweni lomhlabathi, I-AAFC kusho ekukhishweni kwezindaba ngomhla ka-7 Disemba.
UJudith Nyiraneza, usosayensi we-AAFC, wenze ucwaningo lweminyaka emibili olwahlola ukusebenza kwe-rye yasebusika, ukolweni wasebusika kanye ne-spring barley njengezitshalo zekhava yasebusika ezitshalwe ngemva kokuvunwa kwamazambane. UNyiraneza usebenzisane ne-Oyster Cove Farms yase-Hamilton, i-PEI ocwaningweni, amanothi okukhululwa.
Wayesebenzisa izitsha ezifafazayo emasimini ezitshalo ezimbozekile ukuze alinganise ukunyakaza komhlabathi okubangelwa amaconsi emvula, ukuba sengozini kwenhlabathi ukuthuthwa ngokuguguleka, kanye nenani lekhabhoni ne-nitrogen ekuwo. Ama-nitrate enhlabathini akalwa ngezikhathi ezahlukene ekwindla, entwasahlobo nasehlobo.
“Zontathu izitshalo zekhava yasebusika, i-winter rye, ukolweni wasebusika ne-spring barley, zabonisa isithembiso esikhulu. Zanciphisa ingozi yokuguguleka kwenhlabathi futhi zanciphisa inani lekhabhoni nenitrogen eyayizolahleka emhlabathini, uma kuqhathaniswa nokungabikho kokulawula ukumboza kwasebusika. Eqinisweni, i-winter rye itholwe ukuthi yenza kahle kakhulu,” kusho uNyiraneza ekukhululweni.
Akukhona nje kuphela ukuthi i-rye yasebusika kanye nokolweni ilulama ngokushesha ekuqaleni kwentwasahlobo, inganikeza ukuvikeleka okwengeziwe ngesikhathi sokuncibilika kweqhwa lapho ingozi yokuguguleka kwenhlabathi iphezulu kakhulu, amanothi okukhululwa. Iphinde ivumele abalimi ukuthi bayivune njengesitshalo sesibili semali.
UNyiraneza uzoqhubeka nalolu cwaningo lwezitshalo ezikhavayo njengengxenye ye-Living Lab - Atlantic futhi ebambisene nabanye ososayensi be-AAFC (u-Aaron Mills no-Andrew McKenzie-Gopsill) no-Ryan Barrett, uchwepheshe wocwaningo kanye ne-agronomy e-Prince Edward Island Potato Board. U-Barrett wenza izivivinyo emasimini okuhweba anezitshalo zokumboza zombili kulandela ukuvunwa kwamazambane, ukuze agcwalise ucwaningo lukaNyiraneza, kanye nasehlobo/ekwindla eyandulela ukutshala amazambane, amanothi okukhululwa.