Thirty-year tillage effects on crop yield and soil fertility indicators

Soil and Tillage Research

Volumn 130, Issue , 2013, Pages 24-41

  Karlen, Douglas L ^a   Kovar, John L ^a   Cambardella, Cynthia A ^a   Colvin, Thomas S ^a  

^a AGRICULTURAL RESEARCH SERVICE   (United States)

Author keywords

Conservation agriculture; Maize; Plant nutrition; Soil test P and K; Soybean; Tillage system economics

Indexed keywords

CONSERVATION AGRICULTURES; MAIZE; PLANT NUTRITION; SOYBEAN; TILLAGE SYSTEM;

AGRICULTURAL MACHINERY; AMINO ACIDS; COSTS; ELECTRIC CONDUCTIVITY; FERTILIZERS; GRAIN (AGRICULTURAL PRODUCT); MAINTENANCE; NITROGEN FIXATION; NUTRIENTS; OILSEEDS; PRODUCTIVITY; PROFITABILITY; ROTATION; SOIL CONSERVATION; SOILS;

AGRICULTURE;

AGRICULTURAL INTENSIFICATION; AGRICULTURAL PRODUCTION; AGRONOMY; COST-BENEFIT ANALYSIS; CROP ROTATION; CROP YIELD; DATA SET; ECONOMIC ANALYSIS; MAIZE; MANAGEMENT PRACTICE; MEASUREMENT METHOD; NUTRIENT CYCLING; PH; PHOSPHORUS; POTASSIUM; SOIL DEPTH; SOIL FERTILITY; SOYBEAN; TILLAGE;

IOWA; UNITED STATES;

EID: 84874796520     PISSN: 01671987     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.still.2013.02.003     Document Type: Article

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