Corn yield response to subsurface drainage water recycling in the Midwestern United States

Abstract This study evaluated the suitability of rain estimates based on the National Weather Service (NWS) Weather Surveillance Radar-1988 Doppler (WSR-88D) network to estimate yield response to rainfall on a county scale and to provide real-time information related to crop stress resulting from deficient or excessive precipitation throughout the summer. The relationship between normalized corn yield and rainfall was examined for nine states in the central United States for 1997–99 and 2001–02. Monthly rainfall estimates were computed employing multisensor precipitation estimate (MPE) data from the National Centers for Environmental Prediction and quality-controlled (QC_Coop) and real-time (RT_Coop) NWS cooperative gauge data. In-season MPE rain estimates were found to be of comparable quality to the postseason QC_Coop estimates for predicting county corn yields. Both MPE and QC_Coop estimates were better related to corn yield than were RT_Coop estimates, presumably because of the lower density of RT_Coop gauges. Large corn yields typically resulted when May rain was less than 125 mm and July rain was greater than 50 mm. Low yields often occurred when July rainfall was less than 100 mm. For moderate July rains (50–100 mm), positive and negative normalized yields resulted. Parameterization of heat stress (number of July days > 32.2°C) improved the correlation between rainfall and normalized corn yield, particularly for years with the poorest yield-vs-rain relationship (1998 and 1999). For the combined analysis years, the multiple regression correlation coefficient was 0.56, incorporating May and July rainfall and July heat stress and explaining 31% of the variance of normalized corn yield. Results show that MPE rainfall estimates provide timely yield projections within the growing season.

Download Full-text

Coping with depression and effects on parenting satisfaction for adolescent mothers in rural Midwestern United States

PsycEXTRA Dataset ◽

10.1037/e579192013-071 ◽

2012 ◽

Author(s):

L. Jensen

Keyword(s):

United States ◽

Adolescent Mothers ◽

Midwestern United States ◽

Parenting Satisfaction

Download Full-text

Inequality in the Promised Land

Journal of Interdisciplinary Studies in Education ◽

10.32674/jise.v9i1.1703 ◽

2020 ◽

Vol 9 (1) ◽

pp. 177-180

Author(s):

Muhammad Sharif Uddin

Keyword(s):

United States ◽

Minority Students ◽

Doctoral Dissertation ◽

Ethnographic Study ◽

Suburban Area ◽

Midwestern United States ◽

Minority Community ◽

Promised Land ◽

Land Race ◽

The Relationship

Inequality in the promised land: Race, resources, and suburban schooling is a well-written book by L’ Heureux Lewis-McCoy. The book is based on Lewis-McCoy’s doctoral dissertation, that included an ethnographic study in a suburban area named Rolling Acres in the Midwestern United States. Lewis-McCoy studied the relationship between families and those families’ relationships with schools. Through this study, the author explored how invisible inequality and racism in an affluent suburban area became the barrier for racial and economically minority students to grow up academically. Lewis-McCoy also discovered the hope of the minority community for raising their children for a better future.

Download Full-text