对育成或引进的新品种,在推广应用之前,必须经过多点、多年试验,通常称为区域试验。经过这种试验,才能对品种的优劣、适种范围及其对不同年份气候条件的反应作出客观的评价,对其正确利用提供广泛的信息。而试验结果的统计分析是区域试验 New varieties of bred or introduced before the promotion and application, must go through more, many years of testing, commonly known as regional trials. After such experiments, we can objectively evaluate the merits and demerits of varieties, their range of adaptability and their response to climatic conditions in different years, and provide a wide range of information on their correct utilization. The statistical analysis of test results is a regional test