Agronomy Written Test Comprehensive Questions with Correct Answers Guaranteed Pass

Agronomy Written Test Comprehensive Questions with Correct Answers Guaranteed Pass 82. What is the process of spreading fertilizer uniformly over the soil's surface called? - Answer broadcasting After an alfalfa field has outlived its productive life, what is the minimum recommended time that needs to pass before replanting the field to alfalfa again? - Answer One year Alfalfa uses large amounts of which element? - Answer Potassium Approximately how long can a pure stand of alfalfa be expected to persist in Oklahoma? - Answer 6 years Bacteria from which genera form associations with legumes, to give the ability to make use of atmospheric nitrogen? - Answer Rhizobium Barley Yellow Dwarf Virus impacts wheat in oklahoma and is spread by many aphid. the two main aphids that spread barley yellow dwarf virus are - Answer bird-cherry oat aphid and green bug Biological yield - Answer the amount of dry matter produced per unit area biomass - Answer the quantity of live organic matter in a given area at a given point in time is called the Calcium, magnesium, and sulfur are referred to as what type of plant nutrients? - Answer secondary Canola has epigeal emergence. How does that affect canola's tolerance to frost/freeze damage relative to wheat? - Answer Canola is more susceptible cropland left idle and free of weeds for a period of time to restore productivity through accumulation of water or nutrients or both is known as a - Answer fallow