Arizona State University ABS 360 Module 4 Quiz Quiz 1 1)Iron deficiencies are manifested in plants by Micronutrients are those nutrients that plants don’t really need to survive The macronutrient most often lacking in soil to promote optimum plant growth is Loam soils are often considered ideal for growing plants because they contain a balance of sand, silt, and clay particles with good drainage and adequate nutrients Which of the following is an inorganic fertilizer About 10% of soil consists of pore spaces that are filled with air and/or water Which of the following can be added to alkaline soil to decrease soil pH? Which of the following soil types needs to be watered least often? In general, nutrients are released more quickly and efficiently into the soil from synthetic fertilizers than organic fertilizers The letters N P and K on fertilizer labels stand for The pH of soil in the Phoenix area is generally The largest particle size of soil is…