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Economic Analysis of Conservation and Conventional Tillage Cropping Systems on Clayey Soil in Eastern Arkansas

Lucas D. Parsch*,a, Terry C. Keislingb, Patricia A. Sauera, Lawrence R. Olivera and Nathan S. Crabtreea

a Dep. of Crops, Soil, and Environ. Sci., 115 Plant Sci. Bldg., Univ. of Arkansas, Fayetteville, AR 72701
b Dep. of Crops, Soil, and Environ. Sci., Univ. of Arkansas, Northeast Res. and Ext. Cent., P.O. Box 48, Keiser, AR 72351



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Fig. 1. The influence of seedbed preparation method (CONV., conventional tillage; CONS., conservation tillage) and growing season on (A) gross revenue and (B) net returns (NR) above total costs (TC). The LSD0.01 for comparing gross revenue for years with the same seedbed preparation is $86.65 while with differing seedbed preparation methods, it is $61.28. The LSD0.05 for comparing NR with the same seedbed preparation is $65.95 while with differing seedbed preparation methods, it is $46.63.

 


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Fig. 2. Relation of (A) gross revenue and (B) net returns (NR) above total costs (TC) to cropping system as affected by year. The LSD0.01 for comparing years within the same system is $61.45 ($68.72 when one system is cotton) while in different systems, it is $25.08 ($28.05 when one system is cotton) in A. The LSD0.01 for NR above TC for comparing years within the same system is $61.45 ($68.72 when one system is cotton) while in different systems, it is $25.08 ($28.05 when one system is cotton) in B. SBI, irrigated soybean; GSI, irrigated grain sorghum; SBI/GSI, irrigated soybean followed by irrigated grain sorghum; SBI/CRI, irrigated soybean followed by irrigated corn; CTI, irrigated cotton; and SBN, nonirrigated soybean.

 





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The SCI Journals Crop Science Vadose Zone Journal
Journal of Natural Resources
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Soil Science Society of America Journal
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Environmental Quality
The Plant Genome
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