按照nature写作标准润色下面这句话降低重复率：Briefly weigh 100 g of air-dried soil sample sequentially sieve the soil through sieves with aperture sizes of 1 mm 05 mm and 025 mm and weigh the retained samples on each sie

In brief, start by weighing 100 g of soil sample that has been air-dried. Then, sequentially sift the soil through a series of sieves with aperture sizes of 1 mm, 0.5 mm, and 0.25 mm and weigh the samples retained on each sieve separately with an accuracy of 0.01 g. Finally, calculate the weight ratios to determine the percentage content of soil aggregates that are greater than 1 mm, 0.5-1 mm, 0.25-0.5 mm, and less than 0.25 mm.