| On Farm Research Project conducted commercial corn hybrids trials in farmers' field during May to December 2009. The objective of this experiment was to demonstrate and identify the suitable corn hybrids for farmers in theirs area.And also provided on opportunity for farmer to choose the cheaper and profitable hybrid seed. The trials was laid out in RCB design, composed of 10 entries, with 3 replications, in Nakhonratchasima, Lopburi, Chacherngsoa and Tak provinces. The result from combined analysis showed that SW 4452 gave the highest mean of grain yield of 880 kg/rai, but not significant different from NK 48, NK40, P30Y87 and P4296. But NK31, Cargill 717, Cargill 919, P30B80 and DK 888 gave lower yield than Suwan 4452 of 10, 12, 13, 10 and 10 percent,... |
