紧实土壤降雨后常由于板结而严重影响作物出苗，导致建植不良乃至失败。
Crusting of heavy clay soils after rainfall often causes poor emergence of crop seedlings from soil or even failure of a crop.
林业工作者应在第二排生长起来时在前排留下一些供动物栖息的空地，或是紧实土壤为减少侵蚀作准备。
Foresters might leave patches of previous stands for animal habitat as the next stand grows, or tighten up soil preparation to reduce erosion.
通过大田玉米试验，验证新型土壤改良剂对夏玉米生育期土壤水分、紧实度及玉米生理生长特性的影响。
The article is validate the influence on moisture characteristic, soil compactness, biological and vegetal characteristic of summer maize by new soil amendment use field experimentation of corn.
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