FDA drops over-the-counter age limit for Plan B One-Step June 20, 2013 | By Amina Khan Plan B One-Step, an emergency contraceptive, was approved by the Food andâ¦
Definition of micronutrient - a chemical element or substance required in trace amounts for the normal growth and development of living organisms. Definition of micronutrient - a chemical element or substance required in trace amounts for the normal growth and development of living organisms. dictionary thesaurus
Micronutrients are thoseelements that plants need in small amounts(sometimes trace amounts), like iron, boron,manganese, zinc, copper, chlorine andmolybdenum. Both macro-and micronutrientsare naturally obtained by the roots from the soil.Plant roots require certain conditions to obtainthese nutrients from the soil.hird, the temperature of the soil mustfall within a certain range for nutrient uptake tooccur. The optimum range of temperature, pHand moisture is different for different species ofplants. Thus, nutrients may be physicallypresent in the soil, but not available to plants.