Yucca Schidigera Extract:
Supplies good quantities of
iron, magnesium, manganese, phosphorus, selenium and silicon, and is thought to
reduce stool and urine odors.
Elevated atmospheric CO2 is associated with decreased plant nitrogen concentration, and therefore decreased protein, in many crops, such as barley, sorghum, and soy.210, 211,212,213 The nutrient content of crops is also projected to decline if soil nitrogen levels are suboptimal, with
reduced levels of nutrients such as calcium,
iron, zinc, vitamins, and sugars, although this effect is alleviated if sufficient nitrogen is
supplied.214 Fourth, farmers are expected to need to use more herbicides and pesticides because of increased growth of pests215, 216,217,218 and weeds219, 220 as well as decreased effectiveness221 and duration222of some of these chemicals (Ch.