Open Access. Powered by Scholars. Published by Universities.®
- Discipline
-
- Agricultural Economics (4)
- Social and Behavioral Sciences (4)
- Economics (2)
- Environmental Sciences (2)
- Physical Sciences and Mathematics (2)
-
- Agricultural and Resource Economics (1)
- Agronomy and Crop Sciences (1)
- Animal Sciences (1)
- Climate (1)
- Geographic Information Sciences (1)
- Geography (1)
- Meat Science (1)
- Natural Resource Economics (1)
- Oceanography and Atmospheric Sciences and Meteorology (1)
- Plant Sciences (1)
- Regional Economics (1)
- Keyword
Articles 1 - 6 of 6
Full-Text Articles in Agriculture
Farmland Use Decisions In The Dakota's: Key Results From The 2015 Producer Survey, Larry Janssen, Moses Luri, Md. Chowdhury, Hongli Feng, David Hennessy
Farmland Use Decisions In The Dakota's: Key Results From The 2015 Producer Survey, Larry Janssen, Moses Luri, Md. Chowdhury, Hongli Feng, David Hennessy
Economics Commentator
This newsletter is written to summarize the major findings from the 2015 survey on farmland use decisions in the Dakotas which was completed by 1,026 producers located across 57 counties in South Dakota and North Dakota. We wish to thank each person that completed this survey in March or April of 2015. We are sending this newsletter to their household as our “thank you” for participating. The key findings should be of general interest to a wider audience and the following content is written for this purpose.
The Structure Of South Dakota Agriculture: 1935-2012, Henry Brown, Larry Jassen, Matthew Diersen, Evert Van Der Sluis
The Structure Of South Dakota Agriculture: 1935-2012, Henry Brown, Larry Jassen, Matthew Diersen, Evert Van Der Sluis
Economics Research Reports
This study presents key components of the structure of agriculture in South Dakota. As a major industry in South Dakota, agriculture plays a pivotal role in the overall vitality of the economy. Agriculture in South Dakota spans many industries, including the production of agricultural commodities, food and feed processing, agricultural input manufacturing, agri-business, and other agricultural-based industries. This report is based on data from the Census of Agriculture. The report presents long-term trends for farm numbers, the number of operators, land use, and other important characteristics of agriculture. The study emphasizes family farms, because they will continue to dominate the …
Early Weaning Reduces Rangeland Herbage Disappearance, Patricia Johnson, Kenneth C. Olson, Roger N. Gates, Hubert H. Patterson, Mindy Hubert, Douglas Landbloom, Janna J. Kincheloe, Heather A. Richter, Allison V. Grove
Early Weaning Reduces Rangeland Herbage Disappearance, Patricia Johnson, Kenneth C. Olson, Roger N. Gates, Hubert H. Patterson, Mindy Hubert, Douglas Landbloom, Janna J. Kincheloe, Heather A. Richter, Allison V. Grove
Natural Resource Management Faculty Publications
Early weaning of beef calves reduces nutrient and forage demand in a cow–calf enterprise, potentially contributing to reduction in forage utilization on the pasture from which calves are removed by a nonlactating cow vs. a cow–calf pair. Research was conducted to evaluate weaning beef calves 90 days early (EW) vs. normal weaning (NW) on pasture herbage disappearance in mixed-grass prairie pastures in the northern Great Plains. Spring-calving cows (n = 48) were utilized in each study year (2003, 2004, and 2006) from the date of early weaning (August) until the date of normal weaning (November). Cow–calf pairs were randomly …
List Of Economics Department Pamphlets, Penny Stover
List Of Economics Department Pamphlets, Penny Stover
Economics Pamphlet Series
No abstract provided.
Estimation Of Crop Gross Primary Production (Gpp): Ii. Do Scaled Modis Vegetation Indices Improve Performance?, Qingyuan Zhang, Yen-Ben Cheng, Alexei I. Lyapustin, Yujie Wang, Xiaoyang Zhang, Andrew Suyker, Shashi Verma, Yanmin Shuai, Elizabeth M. Middleton
Estimation Of Crop Gross Primary Production (Gpp): Ii. Do Scaled Modis Vegetation Indices Improve Performance?, Qingyuan Zhang, Yen-Ben Cheng, Alexei I. Lyapustin, Yujie Wang, Xiaoyang Zhang, Andrew Suyker, Shashi Verma, Yanmin Shuai, Elizabeth M. Middleton
GSCE Faculty Publications
Satellite remote sensing estimates of gross primary production (GPP) have routinely been made using spectral vegetation indices (VIs) over the past two decades. The Normalized Difference Vegetation Index (NDVI), the Enhanced Vegetation Index (EVI), the green band Wide Dynamic Range Vegetation Index (WDRVIgreen), and the green band Chlorophyll Index (CIgreen) have been employed to estimate GPP under the assumption that GPP is proportional to the product of VI and photosynthetically active radiation (PAR) (where VI is one of four VIs: NDVI, EVI, WDRVIgreen, or CIgreen). However, the empirical regressions between VI*PAR and …
An Economic Analysis Of High-Intensity, Short-Duration Grazing Systems In South Dakota And Nebraska, Larry Janssen, Bronc Mcmurtry, Matthew Stockton, Alexander Smart, Sharon A. Clay
An Economic Analysis Of High-Intensity, Short-Duration Grazing Systems In South Dakota And Nebraska, Larry Janssen, Bronc Mcmurtry, Matthew Stockton, Alexander Smart, Sharon A. Clay
Agronomy, Horticulture and Plant Science Faculty Publications
Four different grazing systems: two rotational systems, a continuous grazing system, and a modified high-intensity, short-duration (mob) system were evaluated from an economic return and risk perspective. Stocking rates and average daily gains (ADG) were obtained from 2011 – 2014 from university ranch experiments in northern Nebraska. Simulation models were used to examine net returns and risk in each system and rank systems according to risk preferences. A twice through rotational grazing system was most profitable. Mob grazing was the least preferred, although when risk aversion increased, it rose in preference. Mob grazing could be profitable if adjustments increased animal …