Chrome Extension
WeChat Mini Program
Use on ChatGLM

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

Journal of Henan Agricultural Sciences(2007)

Cited 1|Views7
No score
Abstract
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。结果表明:9叶移栽,烤烟株高、单株叶面积和全株干重均优于其他处理,差异达显著水平(P<0.05);从旺长期到现蕾期,7叶移栽烟株吸收的NH4+-N量高于9叶移栽和对照,吸收NO3--N量以9叶移栽最高;到成熟期,土壤中NH4+-N含量以9叶移栽最高,NO3--N含量则最低;从团棵期到旺长期,9叶移栽的土壤中有效磷含量和有效钾含量低于对照,到现蕾期,有效磷含量达到最高,对照到圆顶期才达到最高;成熟期,土壤中有效磷含量以9叶移栽最低,但有效钾含量高于对照。
More
Translated text
Key words
Nutrient content of soil,Progress of growth,Flue-cured tobacco,Transplantation depth,One-off double-layer fertilization
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined