WANG Wei,ZHANG Xiao-song,MENG Chun-ling,et al.Effects of Superfine Phosphorite Powder Application on Growth and Yield of Maize[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(06):27-32.[doi:10.11942/j.issn1002-2767.2017.06.0027]
施用超微细磷矿粉对玉米生长发育及产量的影响
- Title:
- Effects of Superfine Phosphorite Powder Application on Growth and Yield of Maize
- 文章编号:
- 1002-2767(2017)06-0027-06
- 分类号:
- S513;S143.2
- 文献标志码:
- A
- 摘要:
- 为充分利用我国的中低品位磷矿,减少环境污染,实现磷肥工业的可持续发展,将不同比例的以机械化学作用加工成的超微细磷矿粉和重过磷酸钙混合作为玉米的磷肥使用,研究其对玉米生长发育及产量的影响。结果表明:超微细磷矿粉替代所需磷素的20%施用时,产量最高,较全施用过磷酸钙增产1.18%,在成熟期能保持较高的叶面积和SPAD值,磷肥农学效率高于其余处理;超微细磷矿粉替代所需磷素10%时,在玉米苗期、拔节期和灌浆期一直保持最高的磷素累积量;超微细磷矿粉替代所需磷素的30%时,磷素累积量从苗期到成熟期一直平稳增长,籽粒的氮、磷累积量高于其余处理。
- Abstract:
- In order to make full use of China’s medium and low grade phosphate rock,reduce environmental pollution and realize the sustainable development of phosphate fertilizer industry,the different proportion in superfine phosphorite powder and triple superphosphate mixed as maize fertilizer use,the effect of mixed fertilizer on growth and yield of maize was studied.The results showed that the application of 20% superfine phosphorite powder instead of phosphorus had the highest yield,which was 1.18% higher than the whole superphosphate treatment,and could maintain a higher leaf area and the SPAD in the mature period,and the agronomic efficiency of phosphate was higher than other treatments.At seedling,jointing and filling stage the application of 10% superfine phosphorite powder instead of phosphorus had maintained the highest phosphorus accumulation.From seedling to maturity stage,phosphorus accumulation of the superfine phosphorite powder instead of 30% phosphorus treatment had been steady growth,nitrogen and phosphorus accumulation in grain were higher than other treatments
参考文献/References:
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备注/Memo
收稿日期:2017-04-25