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Social and Behavioral Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

2009

Iowa State University

Iowa State Research Farm Progress Reports

Articles 1 - 2 of 2

Full-Text Articles in Social and Behavioral Sciences

History Of Lilac Phenological Observations In The Usa, Mark D. Schwartz Jan 2009

History Of Lilac Phenological Observations In The Usa, Mark D. Schwartz

Iowa State Research Farm Progress Reports

The Western Research and Demonstration Farm became a member of the “USA National Phenology Network” in 2008 when a set of cloned lilacs were planted on June 2, 2008. Phenological observations, or the date specific plant growth stages are reached, will be reported to the network and compiled with other observer data from across the nation. These observations will be used for various purposes, some of these uses may include 1) characterize seasonal weather patterns and improve predictions of crop yield, 2) help predict disease or pest outbreaks, and 3) allow the pursuit of more detailed questions of plant responses ...


Organic Vs. Conventional Farming Systems, Michael D. Duffy, Kenneth T. Pecinovsky Jan 2009

Organic Vs. Conventional Farming Systems, Michael D. Duffy, Kenneth T. Pecinovsky

Iowa State Research Farm Progress Reports

Driven by a consumer demand-driven market, interest in organic crop production continues to grow. A study was begun in 1977 to compare organic and conventional farming systems and was modified in 1999. Results from this study have previously been reported in the 1998 Annual Report (ISRF98-13) and the 2005 Annual Report (ISRF05-13).