Site-Specific Cotton Management

These images show maps of soil electrical conductivity, NDVI, and yield in a field in Mendota, CA with salinity problems. Note the correlation between EC, NDVI, and yield

 This project involves the use of remote sensing, electrical conductivity measurements, soil analysis, and plant sampling to develop methods of site specific management of soil salinity, irrigation application, and fertilization for San Joaquin Valley cotton. Primary work so far has focused on the development of remote sensing methods for California cotton production. This first phase has been essentially complted, and we are now working on integrating remotely sensed information with other data for management purposes. Our current focus is on the management of amendments for salintiy and sodicity, and on variable rate application of nitrogen.

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Publications in site-specific cotton management

Horney, R.D., B. Taylor, B., D.S. Munk, B.A. Roberts, S.M. Lesch, and R.E. Plant. Development of Practical Site-Specific Management Methods for Reclaiming Salt-Affected Soil. Computers and Electronics in Agriculture 46: 379-397 (2005).

Horney, R.D., B. Taylor, D.S. Munk, B.A. Roberts, and R.E. Plant. (2003) Development of site-specific management for reclamation of salt affected soil using EM38 and soil sample data. Proceedings of the Sixth International Conference on Precision Agriculture, P.C. Robert, R.H. Rust, W.E. Larson, editors. CD

Horney, R. D., Taylor, B., Munk, D. S., Roberts, B. A., Plant, R. E., and Lesch, S. M. (2001). Development of site-specific management for reclamation of salt-affected soil utilizing preliminary EM-38 and soil core sample data. in Proceedings of the Beltwide Cotton Conferences (pp. 319-323). Memphis, TN: National Cotton Council.

Plant, R.E., D.S. Munk, B.A. Roberts, R.N. Vargas, D.W. Rains, R.L. Travis, and R.B. Hutmacher. Application of remote sensing to strategic cotton management. Journal of Cotton Science 5:30-41 (2001).

Plant, R.E., D.S. Munk, B.R. Roberts, R.L. Vargas, D.W. Rains, R.L. Travis, and R.B. Hutmacher Relationships between remotely sensed reflectance data and cotton growth and yield. Transactions of the ASAE 43:535-546 (2000).

Plant, R.E. and D.S. Munk. Application of remote sensing to irrigation management in California cotton. Proc. Fourth International Conference on Precision Agriculture, St. Paul, Minnesota 1511-1522 (1999)

Plant, R.E. and D.S. Munk. Using infrared aerial photography to help plan defoliation. California Cotton Review 52: 3-5 (1999)