Certified Crop Advisor International Test Que & Ans

What is the soil uptake form(s) for N? - ANS ammonium ion & nitrate ion What is the soil uptake form(s) for P? - ANS phosphate ion What is the soil uptake form(s) for K? - ANS potassium ion What is the soil uptake form(s) for Ca? - ANS calcium ion What is the soil uptake form(s) for Mg? - ANS magnesium ion What is the soil uptake form(s) for S? - ANS sulfate ion What is the soil uptake form(s) for B? - ANS boric acid or borate ion What is the soil uptake form(s) for Cl? - ANS chloride ion What is the soil uptake form(s) for Cu? - ANS cupric ion What is the soil uptake form(s) for Fe? - ANS Primarily ferrous ion; some ferric ion What is the soil uptake form(s) for Mn? - ANS Primarily manganous ion What is the soil uptake form(s) for Mo? - ANS molybdate ion What is the soil uptake form(s) for Ni? - ANS Nickel What is the soil uptake form(s) for Zn? - ANS zinc ion Is N mobile in the plant? - ANS yes, N is mobile Is P mobile in the plant? - ANS yes, P is mobile Is K mobile in the plant? - ANS yes, K is mobile Is Ca mobile in the plant? - ANS no, Ca is not mobile Is Mg mobile in the plant? - ANS yes, Mg is mobile Is S mobile in the plant? - ANS no, S is not mobile What does N stand for? - ANS Nitrogen What does P stand for? - ANS Phosphorus What does K stand for? - ANS Potassium What does Ca stand for? - ANS Calcium What does Mg stand for? - ANS Magnesium What does S stand for? - ANS Sulfur What does B stand for? - ANS Boron What does Cl stand for? - ANS Chlorine What does Cu stand for? - ANS Copper What does Fe stand for? - ANS Iron What does Mn stand for? - ANS Manganese What does Mo stand for? - ANS Molybdenum What does Ni stand for? - ANS Nickel What does Zn stand for? - ANS Zinc Name the 6 macronutrients - ANS Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, Sulfur Name the 8 micronutrients - ANS Boron, Chlorine, Copper, Iron, Manganese, Molybdenum, Nickel, Zinc Finish the sentence: Macronutrients are required in _____________ amounts by plants. - ANS Large Finish the sentence: Micronutrients are required in ______________ amounts by plants. - ANS Small What three essential nutrients are obtained from the air as carbon dioxide and as water? - ANS Carbon (C), hydrogen (H), and oxygen (O) Are Carbon (C), hydrogen (H), and oxygen (O) listed as micronutrients or macronutrients? - ANS Macronutrients What is the name of nutrients required by plants to complete their life cycle? - ANS Essential nutrients or elements Cations have a ___ charge Anions have a ___ charge - ANS positive, negative What does Silicon (S) do for the plant? - ANS cell wall strength, reduces lodging, improves adaptation to stresses like drought, improves pest resistance and helps improve plant vigor What does Sodium (Na) do for the plant? - ANS improves photosynthesis in C4 plants and maybe be able to substitute for potassium to some degree What does Cobalt (Co) do for the plant? - ANS it's essential for nitrogen fixing bacteria in legumes