What are the 3 most common micronutrients deficiencies?
Deficiencies in iron, vitamin A and iodine are the most common around the world, particularly in children and pregnant women. Low- and middle-income counties bear the disproportionate burden of micronutrient deficiencies.
What are the deficiency disease of micronutrients?
Micronutrient deficiency conditions relate to many chronic diseases, such as osteoporosis osteomalacia, thyroid deficiency colorectal cancer and cardiovascular diseases. Fortification has a nearly century long record of success and safety, proven effective for prevention of specific diseases, including birth defects.
What are the deficiency symptoms of micronutrients in plants?
Deficiency symptoms: New foliage, buds and roots have stunted growth. Younger leaves curl downwards with browning of leaf edges and leaf tips, also known as tip burn. In some plants, they may also show abnormally green foliage. Roots become short and stubby.
What is the most common micronutrient deficiency?
Iron deficiency
Iron deficiency is the most common form of micronutrient malnutrition globally, according to the World Health Organization (WHO). In the United States, one in six women is iron deficient during pregnancy; deficiency is higher among non-Hispanic blacks and Hispanics. Iron deficiency is a leading cause of anemia.
What nutrients does corn have?
Corn is nutritious, providing fiber, which aids in digestion, plus folate, thiamin, phosphorus, vitamin C, and magnesium (about 10% of the daily value for each).
What is macronutrient deficiency?
Macronutrient deficiencies include deficiencies in protein, fat, and/or calories, and can lead to stunting, pronounced wasting (marasmus) or a disproportionately large abdomen (a sign of kwashiorkor). Marasmus is a disease of severe wasting due to a prolonged inadequate intake of protein, carbohydrate, and fat.
How much does nutrient deficiency affect maize yield?
The results reflected the responsiveness of maize to the applied nutrients compared to when no nutrient was applied. As reported by Shehu et al. 5, maize yield can reach > 5 tons per hectare in northern Nigeria when nutrient deficiencies are properly addressed. Application of NPKZn gave the highest yield.
What are the symptoms of zinc deficiency in maize?
Zinc deficiencies are seen in the leaves of the maize plant which has pale yellow zones which start at the base of the leaves and run up the sides of the midrib while the leaf margin, tip and the midrib stay green. There may be a hint of red at leaf margins and on the stems of the plant.
Do micronutrients affect ear leaf nutrient concentration in maize?
Other analyzed micronutrients (Cu, Mn and Fe) in this study were mostly above their critical concentration levels with all treatments except when N was not applied, or when B was applied. The nutrient treatments used in this study significantly affected the ear leaf nutrient concentration, DRIS indices, and maize yield.
How to achieve balanced nutrition of maize in the maize belt?
Balanced nutrition of maize in the maize belt of Nigeria should target application of varying rates of N, P, K, Mg, S and Zn, depending on the soil conditions. But, because of complexities of nutrient interactions during uptake, it is hardly possible to realize a balanced nutrition.