U-anyanisi uyisitshalo esibalulekile emhlabeni wonke, esidliwa ezitsheni nasezindaweni zokudla eziningi. Ukuze bathole isivuno esiphezulu, abalimi kanye nabalimi kufanele baqinisekise ukuthi izitshalo zabo zika-anyanisi zithola zonke izakhi ezidingekayo, kuhlanganise ne-phosphorus. Lesi sihloko sizohlola indima yokuvundiswa kwe-phosphorus ekukhiqizeni u-anyanisi kanye nemiphumela yayo ekukhuleni kwezitshalo kanye nesivuno.
I-Phosphorus iyi-macronutrient ebalulekile edingwa u-anyanisi ngamanani anele ukuze ukhule kahle futhi uthuthuke. Ucwaningo luye lwabonisa ukuthi ukuvundiswa kwe-phosphorus kungakhuphula kakhulu isivuno sika-anyanisi, ikakhulukazi ezindaweni ezinamazinga aphansi e-phosphorus emhlabathini. Ngokocwaningo olwenziwe yiNyuvesi yaseCalifornia, eDavis, inani eliphelele le-phosphorus ekukhiqizeni u-anyanisi lilinganiselwa ku-150 lbs/acre.
Esinye sezizathu zokuthi kungani i-phosphorus ibalulekile ekukhiqizeni u-anyanisi ukuthi idlala indima ebalulekile ekuthuthukisweni kwezimpande. Ucwaningo olwanyatheliswa kuyi-Journal of Plant Nutrition and Soil Science lwathola ukuthi ukuvundiswa kwe-phosphorus kukhulisa ukukhula nokukhula kwezimpande ezitshalweni zika-anyanisi, okuholela ekwandeni kokuthatha izakhi kanye nokumuncwa kwamanzi.
Ngaphezu kwalokho, i-phosphorus iyadingeka ukuze kwakheke ama-bulb afanele, okuthi ekugcineni kuthinte isivuno sika-anyanisi. Ucwaningo olwenziwa yiNyuvesi yase-Arizona lubonise ukuthi ukuvundiswa kwe-phosphorus kwenyusa usayizi webulb ka-anyanisi nesisindo ngamaphesenti angama-50. Ucwaningo luphinde lwathola ukuthi ukuvundiswa kwe-phosphorus kuthuthukisa izinga lika-anyanisi, okuholela emakethe ephakeme.
Sengiphetha, ukuvundiswa kwe-phosphorus kubalulekile ekukhiqizeni u-anyanisi. Amazinga e-phosphorus anele emhlabathini aqinisekisa ukukhula kwezimpande, ukwakheka kwama-bulb, kanye nesivuno esiphezulu. Abalimi kanye nabalimi kufanele bacabangele ukuvundiswa kwe-phosphorus njengengxenye yezinqubo zabo zokuphatha izitshalo zika-anyanisi ukuze bakhulise ukukhiqiza kwabo kanye nenzuzo.
Tags: #ionionproduction #phosphorusfertilization #cropmanagement #soilhealth #plantnutrition