This paper introduces briefly the trait of the structure and using effect of a new-design conservation tillage machine, combined machine with no-tillage and fertilization and sowing of corn.
本文简要介绍了一种新型研制的保护性耕作机具——玉米免耕施肥播种机的结构设计特点与实际使用效果。
The effects of different transplanting depths combined with one-off double-layer fertilization on the growth of flue-cured tobacco and nutrient contents of soil were studied in the field experiment.
将施肥技术和栽培措施相结合，通过大田试验研究不同移栽深度结合一次性双层施肥对烤烟生长及土壤养分的影响。
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