20 جولائی 2010 One high quality and universally available source of all the major macronutrients (nitrogen, phosphorus and potassium) is human urine. Using human urine as fertilizer is not unprecedented, but for various reasons in most countries it is not commonly considered as an option, especially for growing...
Key Resource01 جنوری 1989 Thrity years on mission in Central Africa changed Dr. Daniel Fountain's thinking about his professional training, about current medical practice overseas and at home, and about the responsibility of the entire Christian community to promote health initiatives. Digging into biblical precepts and...