Soils and fertilizers - Study guides, Class notes & Summaries

Illinois Pesticide Applicator Turf-grass: Questions and answers, graded A+ IPM for Turf - keeping pests at a level low enough to avoid major damage First step of IPM for turf - developing and maintaining healthy turf healthy turf is obtained through - soil management, turfgrass selection, and proper culture desirable pH level for healthy turf - between 6 and 7 pH pH readings below 6, what can you add? - lime high-pH soils can be fixed by adding? - sulfur or acid forming fertilizer (ammon...

Field CropsAgronomy - correct answer The science and art of field crop production Why is Agronomy important - correct answer 1.) We all eat 2.) Worlds population increasing 3.) Arable land decreasing 4.) Climate shifts 5.) Foundation of ALL areas of the agriculture industry What is Arable Land - correct answer Land that is capable of being tilled and planted to crops in a favorable climate. (Most arable land has to be farmed carefully to retain sustainable productivity) Average...

If a soil feels gritty when doing a "feel" assessment of texture, then an appreciable amount of _______ is present. - sand When performing a "feel" assessment of soil texture, the presence of a talc-like material on the hands indicates that an appreciable amount of ______ is present. - silt Soils developed in forest settings tend to have thinner surface horizons than those developed in grasslands. - true A soil horizon is a vertical section of the soil through its entire profile. - fal...

Describe the population of the Ozark Mountains? - ️️95% Caucasian, 25% are over 65 years of age, population is dense in the river valley but sparse everywhere else. Explain the relationship between Fall line - Piedmont - Coastal Plain - ️️Piedmonts of Appalachian sediment break at the fall line (waterfall) and the land shifts into the sandy zone of coastal plains Explain the speed of rivers - ️️In a meandering river, water will tend to flow fastest along the outside bend of a meand...

Kentucky CCA Study Guide Questions and Answers 100% Solved If a tobacco field is diagnosed with manganese toxicity symptoms, the best thing a farmer can do is: - answerbe sure to correct the soil pH before planting his tobacco next year Which of the following crops would be most likely to respond to potassium applications? a) tobacco b) soybean c) corn d) alfalfa - answeralfalfa How does CEC influence plant availability of a nutrient present in the soil solution as a cation? - answerAs CE...

True or False: Herbalism is the branch of the healing sciences that deals with the therapeutic properties of herbs. correct answers TRUE This herbal preparation is made by placing 1 teaspoon of herb in 1 cup of water. Cover the pot and let steep for 5-15 minutes. correct answers Tea These preparations are useful for cough mixtures, and usually contain honey. correct answers Syrups Saponins are natural compounds that are very similar to glycosides but are different because they dissolve ...

Potential acidity - ANSWER-The sum of exchangrable acidity and non-exchangreable acidity Active Acidity - ANSWER-Concentration of hydrogen ions in a soil solution, measureed by soil pH Exchangeable Acidity - ANSWER-Al3+ and H+ on exchange sites in soil Non-Exchangeable Acidity - ANSWER-Protons that can be released from surfaces as pH rises What are some of the affects of acidic soils on plant growth? - ANSWER-Stunted Plant Growth Reduced Lateral Root Growth Brownish Discoloration ...

Which three macronutrients are most commonly referred to in a fertilizer analysis - AnswerPhosphorus Potassium Nitrogen What are two strategies that can be used to improve a salted soil - Answer-Irrigation Gypsum How many essential elements do turfgrasses require? Why are they often referred to as essential elements - Answer-17 For oxygen, food, water movement Define CEC? Why is monitoring CEC so important for turfgrass growth and development - AnswerCation Exchange Capacity Higher CEC ...

Kentucky CCA Study Guide Questions and Answers 100% Solved If a tobacco field is diagnosed with manganese toxicity symptoms, the best thing a farmer can do is: - answerbe sure to correct the soil pH before planting his tobacco next year Which of the following crops would be most likely to respond to potassium applications? a) tobacco b) soybean c) corn d) alfalfa - answeralfalfa How does CEC influence plant availability of a nutrient present in the soil solution as a cation? - answerAs CE...

Illinois Pesticide Applicator Turfgrass questions with correct answers IPM for Turf - Correct Answers keeping pests at a level low enough to avoid major damage First step of IPM for turf - Correct Answers developing and maintaining healthy turf healthy turf is obtained through - Correct Answers soil management, turfgrass selection, and proper culture desirable pH level for healthy turf - Correct Answers between 6 and 7 pH pH readings below 6, what can you add? - Correct Answers lime...