Row Column Treatment Yield 1 1 3 26.7 2 1 1 23.1 3 1 2 28.3 4 1 4 25.1 1 2 1 19.7 2 2 2 20.7 3 2 4 20.1 4 2 3 17.4 1 3 2 28 2 3 4 24.9 3 3 3 29 4 3 1 28.7 1 4 4 29.8 2 4 3 29 3 4 1 27.3 4 4 2 34.1