Show hay TIMOTHY IRRIGATED LAND field popular method soil soil determine land timothy grown field way system lateral ditch different field way carry water along flow surface double moldboard apart deter character soil soil slope land volume water prof samuel average apart lateral 80 feet vary however 30 40 feet feet feet teet water land main field dams proper BO cause water flow surface land ad ditch soil soil boil soil boil point become moist dam another farther down ditch land method procedure until whole field fl |