Conservation production systems in the mid-southern USA: III. Zone tillage for furrow-irrigated soybean

被引：5

作者：

Bryant, C. J. ^{[1
]}

Krutz, L. J. ^{[2
]}

Reynolds, D. B. ^{[3
]}

Locke, M. A. ^{[4
]}

Golden, B. R. ^{[5
]}

Irby, T. ^{[3
]}

Steinriede, R. W., Jr. ^{[4
]}

Spencer, G. D. ^{[5
]}

Mills, B. E. ^{[5
]}

Wood, C. W. ^{[6
]}

机构：

[1] Univ Georgia, Crop & Soil Sci, Tifton, GA 31793 USA

[2] Mississippi Water Resource Res Inst, Mississippi State, MS USA

[3] Mississippi State Univ, Dept Plant & Soil Sci, Mississippi State, MS 39762 USA

[4] USDA ARS, Natl Sedimentat Lab, Oxford, MS 38655 USA

[5] Mississippi State Univ, Delta Res & Extens Ctr, Stoneville, MS USA

[6] Growers Ag, Generosity, NC USA

来源：

CROP FORAGE & TURFGRASS MANAGEMENT | 2020年 / 6卷 / 01期

关键词：

D O I：

10.1002/cft2.20057

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Mid-southern U.S. soybean [Glycine max (L.) Merr.] producers are frequently encouraged to adopt no-tillage systems to capture the associated environmental benefits; however, adoption is minimal due to the need for raised seedbeds for irrigation and drainage purposes. This research was conducted to determine if zone tillage systems, with and without a tillage radish (Raphanus sativus L. var. longipinnatus) cover crop, can maintain yield, profitability, and water use efficiency relative to that of a conservation tillage system with subsoiling. The effects of conservation systems on soybean grain yield, net returns above specified costs, and water use efficiency were investigated near Stoneville, MS on a Dubbs silt loam (Fine-silty, mixed, active, thermic Typic Hapludalfs). Relative to a conservation tillage system with subsoiling, switching to a zone tillage system with or without a cover crop had no effect on soybean grain yield (P = .4986), net returns above specified costs (P = .3724), or water use efficiency (P = .5652). Our data indicate that mid-southern U.S. soybean productivity and profitability are maintained in zone-tillage systems.

引用

页数：7

共 42 条

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