The effects of different soil water content, depth of sowing and dose of fomesafen on dayflower emergence were studied.

通过提供不同外界环境条件的方法，研究了土壤含水量、播种深度及除草剂虎威对鸭跖草出苗的影响。

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ObjectiveTo research the influence of sowing time , planting density and plowing depth to the yield and quality of Cynanchum paniculatum (Bge. ) Kitag.

目的考查播种期，种植密度及耕地深度对徐长卿产量和质量的影响。

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The study developed a new type of sowing machine that is capable of dividing the fertilizer into seed fertilizer and base fertilizer and laying them into a deeper depth while sowing.

研制在播种的同时能将肥料分成种肥、基肥且深施播的新型播种机。

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