Ucwaningo lwe-Agriculture and Agri-Food Canada (i-AAFC) lukhombise ukuthi i-red clover ingaba lusizo uma itshalwe ngaphambi kwamazambane, kusho i-AAFC ekukhululweni kwezindaba ngoFebhuwari 24. U-Yefang Jiang, i I-AAFC umcwaningi, usanda kuqeda ucwaningo lweminyaka eyisithupha ukuthola ukuthi i-clover ebomvu ibathinta kanjani amazinga e-nitrogen enhlabathini nasemanzini ngesikhathi sokushintshaniswa kwezitshalo ePrince Edward Island.
I-clover ebomvu yatshalwa yabe isilinywa emhlabathini ekwindla ngaphambi kokutshalwa kwamazambane. Isitshalo lesi saba ngumthombo we-nitrogen ngokusebenza njengomanyolo wemvelo owasiza ukukhula kwezitshalo zamazambane, amanothi okukhululwa.
"Kodwa-ke, ngaphandle kokubala ngokwanele i-nitrogen evela kwi-clover, abalimi bangasebenzisa ngokweqile umanyolo wokwenziwa kumazambane uma belandela imihlahlandlela yesifundazwe ye-PEI engu-17 kg N / ha," kuchaza uJiang ekukhululweni.
Le nitrogen eyeqile ingangena emanzini angaphansi komhlaba, emifudlaneni nasezizalweni zemifula ngendlela yama-nitrate angathinta ikhwalithi yamanzi, kusho ukukhululwa. Umanyolo owedlulele ungacindezela nokuvunwa kwamazambane.
UJiang uphinde wathola ukuthi ngokutshala ubhontshisi ngokushintshana esikhundleni se-red clover kuthuthukise ukusebenza kahle kwe-nitrogen izikhathi ezingaba ngu-1.6 nokwandisa isivuno samazambane ngamaphesenti ayi-13.4.
"I-soya ingadala inzuzo engcono kwezomnotho kubalimi esikhathini esifushane, kodwa inganciphisa izinto eziphilayo zomhlabathi esikhathini eside," kusho uJiang.
Ukwenza ngcono izinto eziphilayo zenhlabathi, uJiang uncoma ukuthi abalimi ababheka ubhontshisi ekujikelezeni kwabo kufanele batshale isivuno sezinsalela eziphezulu njengotshani bamabele-sudan njengesitshalo esihambisanayo.