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试验地的选择和试验小区的规划一、试验地的选择试验地的好坏直接影响试验的准确性。有些生产单位往往怕影响生产,把试验地安排在坏地上,这样,因受外来因素的干扰,试验得不出准确的结果。选择试验地时,必须注意以下几个条件: 1.地势要平坦:土地不平坦时,土壤的水分、温度、养分差别大,往往得不出准确的试验结果。山区最好选择梯田做试验地,或者选择一个坡度平缓,上下土壤差异小的地块,必要时可增加重复次数。
The choice of test sites and the planning of the pilot district First, the choice of test site The quality of the test site directly affects the accuracy of the test. Some production units are often afraid of affecting the production and putting the test place on a bad spot. In this way, the test can not obtain accurate results due to the interference of external factors. Select the test site, we must pay attention to the following conditions: 1. Flat to be flat: the land is not flat, the soil moisture, temperature, nutrient differences, often can not get accurate test results. The best choice of terraced fields in the mountains to do the test, or choose a gentle slope, up and down soil difference in the small plots, if necessary, increase the number of repetitions.