The effects of different soil water content, depthofsowing 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。
2
ObjectiveTo research the influence ofsowing 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。
3
The study developed a new type ofsowing machine that is capable of dividing the fertilizer into seed fertilizer and base fertilizer and laying them into a deeper depth while sowing.