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Title Conservation tillage systems for cotton advance in the San Joaquin Valley
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Abstract Cotton production in the San Joaquin Valley has traditionally relied heavily on tillage for its presumed benefits to plant establishment, yields and insect management. Research in the 1960s and 1970s demonstrated the potential of precision or zone tillage, which foreshadowed the introduction of a variety of minimum tillage implements in the early 1990s. During a 3-year comparison study from 2001 to 2003, cotton yields in strip tillage plots matched or exceeded yields of standard tillage plots in all 3 years. In a 12-year study from 1999 to 2011, tillage costs were lowered an average of $70 per acre in 2011 dollars using no-tillage compared to standard tillage while achieving statistically comparable yields, provided that adequate crop stands were achieved. If bottom-line profitability can be maintained, conservation tillage may become increasingly attractive to cotton producers in the San Joaquin Valley.

Authors
Mitchell, Jeffrey P
CE Cropping Systems Specialist
Vegetable cropping systems, irrigation management, soil quality, organic soil amendments, extension models, postharvest physiology
Carter, Lyle : L. Carter is Retired Engineer, U.S. Department of Agriculture Agricultural Research Service, Shafter Cotton Research Station
Munk, Daniel S.
Farm Advisor
Irrigation, crop nutrient management and cotton production systems
Klonsky, Karen M
Specialist in Cooperative Extension, Emerita
Farm Management and Production, Sustainable Agriculture and Organic Agriculture
Hutmacher Dr, Robert Bernard
Cooperative Extension Specialist / AES Agronomist (retired)
cotton production issues, irrigation mgmt, drip irrigation, sorghum, industrial hemp, water stress, nutrient mgmt
Shrestha, Anil
IPM Weed Ecologist
Development and implementation of IPM strategies and tactics for vegetation management. Primary crops corn, cotton, tree fruit, grape, tomato.
DeMoura, Richard
Staff Research Associate
Cost Production Studies
Wroble, Jonathan F.
Cotton, Soils and Water Assistant
Publication Date Jul 1, 2012
Date Added Jul 16, 2012
Copyright © The Regents of the University of California
Copyright Year 2012
Description

A 12-year UC study showed savings of $70 per acre from a no-tillage system with no decline in yields, provided that seedlings establish well.

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