Agn 115 Study guides, Class notes & Summaries

In the Penn and Teller: Norman Borlaug (2003) video, Dr. Terri Lomax, professor of Botany and Plant Pathology (OSU), said that genetically modified crops are subjected to millions of dollars in testing and are regulated by EPA, FDA and USDA, while protestors and administrators (e.g. Charles Margulus) affiliated with Greenpeace claimed the crops were released without any testing. A. True B. False - A. True Sufficient, consistent, sustainable food production is important because food, like w...

People in the poorest nations normally spend (on average) more than 20% of their disposable income on food. (Lec. 4) - True Joel Salatin's said his goal in managing his operation is to ____. (Fresh the movie, 2009) - "marry" some new technologies with knowledge and experience Traditional agroecosystems make extensive use of locally available and renewable resources. - True In Fresh (2009), Michael Pollan (author of Omnivore's Dilemma and In Defense of Food) makes exaggerated, false, or...

AGN 115 Exam 4 | 100% Correct Answers | Verified | Latest 2024 Version Vernalization is A. is an effect of one species on another through chemicals B. can be used to suppress the germination and growth of weeds C. the process by which many winter planted crops are converted to reproductive growth D. all of the above E. both a and b - C. the process by which many winter planted crops are converted to reproductive growth In terms of agro-ecosystem diversity, an example of undesira...

Characteristics of traditional agroecosystems include - take advantage of the full range of microenvironmental variation within the cropping system, farm, and region; are built on the knowledge and culture of local inhabitants; tolerate of local conditions, insects and diseases, dependent on external, purchased inputs according to gliessman, the prevailing modern agriculture system is not sustainable. ___ is not a factor he says contrives to our unsustainability (ch 1) - --! reliance on sy...

"Though there is no single, agreed upon set of factors that should be used to create a metric of sustainability, Drs. Burton and Gliessman both discussed ____ as a useful tool for assessing agroecosystem sustainability based on several dimensions (as opposed to polarizing, mono-dimensional analyses) A. an amoeba-type diagram B. a line graph C. pie chart D. soil texture pyramid - an amoeba-type diagram According to Gliessman, the prevailing modern agricultural system is not sustainable. ...

AGN 115 Final Exam Study Guide | 100% Correct Answers | Verified | Latest 2024 Version "Though there is no single, agreed upon set of factors that should be used to create a metric of sustainability, Drs. Burton and Gliessman both discussed ____ as a useful tool for assessing agroecosystem sustainability based on several dimensions (as opposed to polarizing, mono-dimensional analyses) A. an amoeba-type diagram B. a line graph C. pie chart D. soil texture pyramid - an amoeba-type diagra...

AGN 115 Exam 4 | 100% Correct Answers | Verified | Latest 2024 Version Roller crimper breaks stems to reduce pop-up; morning turger is normally highest - True Few plants, especially ag crops, grow well outside the pH range of 5-8 pH - True Over yielding occurs when total combined yield of intercropped species (traditional corn-bean-squash polyculture of native americans) is greater then the combined yield of the same crops grown in monoculture on an equivalent total land area - true ...

The application of a set of cultural, biological, and mechanical practices describes _______________ type of agriculture. - organic Which of the following is not true about grass-fed beef? - Uses less environmental resources than grain-fed beef. All requirements for Cage-Free and Free-Range deal with what is being fed to the livestock. - False Match the organic label to its characteristics. a. Multi-food is labeled when at least 95% of ingredients are certified organic. b. Less than ...

AGN 115 Sustainable Agriculture and the Environment Test 3 | 100% Correct Answers | Verified | Latest 2024 Version In Dr. Terry Tollefson's videos on soil biology, he presented several microscopic organisms that were found in the soil sample. Other than bacteria, identify three other microscopic organisms from the video using one well-written sentence. - Dr. Terry Tollefson's video identified protozoa, nematodes, and mites. During lecture, Dr. Burton presented soil test results from tw...

Roller crimper breaks stems to reduce pop-up; morning turger is normally highest - True Few plants, especially ag crops, grow well outside the pH range of 5-8 pH - True Over yielding occurs when total combined yield of intercropped species (traditional corn-bean-squash polyculture of native americans) is greater then the combined yield of the same crops grown in monoculture on an equivalent total land area - true Because of the need for monoculture in ag systems to facilitate ease of manage...