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1·1LF hydraulic reversible plow is mounted with four-wheel tractor; it is used for the loam, sand loam , cultivated and dry land , it can finish the furrowing work in double way.

1LF系列翻转犁是同四轮拖拉机配套的全悬挂式液压翻转犁，适用砂土壤和旱田熟地耕翻作业，可进行梭式双向作业，耕后地表面平整，具有地头空转行程少，作业效率高等特点。

2·Loam is a soil with roughly equal proportions of clay, sand and silt.

壤土是由大约等份的黏土、沙和粉砂合成的。《牛津词典》

3·Loam is a mixture of sand, silt, and clay.

壤土是砂粒、粉粒和粘粒的混合物。

4·Little interval of water dropper should be chosen for sand, but large interval of water dropper can be chosen for loam soil.

对于砂土，应选择小的滴头间距，而对于壤土则可以选择大的滴头间距。

5·The transportation sequence of sulfadiazine in the tested soils was sand>clay>loam.

通过动态土柱淋溶实验研究了磺胺嘧啶在土壤环境中的纵向迁移行为。

6·Soil density and soil particle of the loam are decreased but those of the sand are increased.

壤土的土壤密度、比重降低，而砂土的土壤密度、比重增高。

7·Soil quality is not high, for the sand and sandy loam .

土壤品质不高，为砂土和砂质壤土。