There is a direct relationship between soil health and plant health, explains Alan Rosenberg in his book - Global Health in Crisis - the answer lies in the soil.
Kukhona budlelwane lobucondzile emkhatsini wemphilo yemhlaba kanye nemphilo yesitjalo, kuchaza Alan Roseberg encwadzini yakhe Imphilo Yemhlaba eNkingeni - lemphendvulo isele kulomhlabatsi.