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Development And Evaluation Of An Automated Linear Move Fertigation System For Cotton Using Active Remote Sensing, Stewart Bell
Development And Evaluation Of An Automated Linear Move Fertigation System For Cotton Using Active Remote Sensing, Stewart Bell
All Theses
Optimum nitrogen (N) application is essential to the economic and environmental sustainability of cotton production. Variable-rate N fertigation could potentially help farmers optimize N applications, but current overhead irrigation systems normally lack automated site-specific variable-rate fertigation capabilities. The objective of this research was to develop and evaluate an automated variable-rate N fertigation system based on real-time Normalized Difference Vegetation Index (NDVI) measurements from crop sensors integrated with a lateral move irrigation system. For this purpose, NDVI crop sensors and a flow meter were integrated with Arduino microcontrollers and an automated fertigation system was constructed. A computer program was developed to …
The Response Of Bermudagrasses [Cynodon Dactylon (L.) Pers. X C. Transvaalensis Burtt-Davy] And Creeping Bentgrass [Agrostis Stoloniferi (L.)] To A Commercial Humectant And Wetting Agents During Summer, Robin Landry
All Theses
Four field studies, one laboratory and one greenhouse study were conducted from April 2011 through August 2011 at Clemson University in Clemson, SC on `L-93'creeping bentgrass (Agrostis stolonifera L.), `Tifeagle' bermudagrass (Cynodon dactylon (L.) Pers. X C. transvaalensis Burtt-Davy), and a combination of `Tifway' (Cynodon dactylon (L.) Pers. X C. transvaalensis Burtt-Davy) and common bermudagrass (Cynodon dactylon (L.)
The objectives of this research were: (i) evaluate bentgrass response to two irrigation regimes, light and frequent irrigation (replacing daily ET), verses deep and infrequent irrigation (watering at the sign of wilt); (ii) evaluate the combination of a humectant and a soil …