Praxis Agriculture case studies
Praxis Agriculture · Put your knowledge to work in context.
Praxis Agriculture is one of the Praxis Subject Assessments that ETS lists under its teacher certification program, which ETS describes as assessing "core teaching skills and subject knowledge for educator licensing in the U.S." Candidates typically take a Praxis subject test when a state licensing agency, educator preparation program, or school district requires evidence of content knowledge for an agriculture teaching license; because each state sets its own certification requirements, ETS advises candidates to "check your state's requirements" and "make sure you register for the right test" before registering. The public ETS pages retrieved for this profile do not publish an agriculture-specific test code, content outline, item count, time limit, fee, passing score, or retake rule, so treat those details as unconfirmed here and verify them on the official test page and in the Praxis Information Bulletin. The Praxis Agriculture case studies are 5 cases and about 3,262 words.
1Lime, Manure Nitrogen, and Phosphorus Decisions on a Corn Field
A 240-acre corn–soybean farm in the eastern Corn Belt has a 60-acre field, Field 7, that will be planted to corn this spring. The field is somewhat poorly drained and has a 2–3% slope.
714 words, about 4 min2Soybean Aphid Outbreak with a History of Pyrethroid Failure
An 80-acre no-till soybean field in the upper Midwest is at R4, full pod, in late July. Scouting found soybean aphids on 85% of plants, averaging 300 aphids per plant, with colonies extending to the upper leaves; counts increased from 40 to 300 over 7 days.
642 words, about 3 min3Milk Fat Depression in a High-Producing Dairy Herd
A 150-cow Holstein herd averaging 88 lb milk is 55 days in milk. Bulk tank milk fat has fallen from 3.8% to 3.1% over 14 days while milk protein has risen from 3.1% to 3.3%.
642 words, about 3 min4Custom Hire versus Used Combine Ownership
A 500-acre corn–soybean farm in central Illinois is deciding whether to replace its 20-year-old combine. The farm currently hires a custom combine for 45/acre, and the custom operator is reliable but sometimes arrives 5–7 days after the field is ready.
645 words, about 3 min5Calcium Disorders and Salinity in Greenhouse Tomatoes
A 1-acre greenhouse operation grows indeterminate tomatoes in rockwool slabs with drip fertigation. The crop is at first harvest.
619 words, about 3 min