Beitrag in einem Tagungsband
Optimising Water Use in Irrigated Canola Areas in Brazil
Details zur Publikation
Autor(inn)en: | Bilibio, C.; Hensel, O.; Carvalho, J.; Richter, U.; Martins, M.; Richter, U. |
Herausgeber: | American Society of Agricultural and Biological Engineers |
Verlag: | American Society of Agricultural and Biological Engineers |
Verlagsort / Veröffentlichungsort: | St. Joseph, MI |
Publikationsjahr: | 2009 |
Seitenbereich: | TBD |
Buchtitel: | 2009 Bioenergy Engineering Conference |
Seitenumfang: | 8 |
Zusammenfassung, Abstract
Irrigation management, which aims to define time and water amount applied, was studied in canola through two experiments: the first was carried out in randomized blocks with 4 treatments and 4 repetitions, totalising 16 experimental plots. Treatments consisted of different soil water tensions: 20, 40, 80, and 120 kPa. The second experiment was carried out in randomized blocks with 5 treatments (replacement of 50; 75; 100; 125, and 150% of water depth consumed for the crop) and 4 repetitions, totalising 20 experimental plots. According to analysis of variance by F-test at 5% probability, different soil water tensions exerted influence on number of pods, total green matter, total dry matter, and grain yield. Moreover, the highest yield was obtained with irrigation under tension of 20 kPa. However, there were no significant differences observed among treatments in the second experiment due to rainfall occurred during crop development.
Irrigation management, which aims to define time and water amount applied, was studied in canola through two experiments: the first was carried out in randomized blocks with 4 treatments and 4 repetitions, totalising 16 experimental plots. Treatments consisted of different soil water tensions: 20, 40, 80, and 120 kPa. The second experiment was carried out in randomized blocks with 5 treatments (replacement of 50; 75; 100; 125, and 150% of water depth consumed for the crop) and 4 repetitions, totalising 20 experimental plots. According to analysis of variance by F-test at 5% probability, different soil water tensions exerted influence on number of pods, total green matter, total dry matter, and grain yield. Moreover, the highest yield was obtained with irrigation under tension of 20 kPa. However, there were no significant differences observed among treatments in the second experiment due to rainfall occurred during crop development.
Schlagwörter
canola, irrigation, soil water tension, water depth, yield
