LI Yu-ying,LIU Shuang-quan,JI Jing-hong,et al.Study on the Optimum Rate of Phosphoric Fertilizer in Soybean in Heilongjiang Province[J].HEILONGJIANG AGRICULTURAL SCIENCES,2010,(06):48-52.
黑龙江省大豆磷肥适宜用量研究
- Title:
- Study on the Optimum Rate of Phosphoric Fertilizer in Soybean in Heilongjiang Province
- 文章编号:
- 1002-2767(2010)06-0048-05
- Keywords:
- Heilongjiang; soybean; rate of phosphoric fertilizer; yield; benefits
- 分类号:
- S565.106
- 文献标志码:
- A
- 摘要:
- 在黑龙江省北部黑土和东部白浆土大豆主产区设置大豆磷肥用量试验,以明确该地区大豆施磷效果和适宜的磷肥用量。结果表明:黑龙江省大豆磷肥适宜用量为P2O5 90 kg·hm-2,平均增产775 kg·hm-2,平均增产率为36.2%,平均增收2 260元·hm-2。在施磷量为(P2O5)45、90、135、180 kg·hm-2条件下,磷肥利用率分别为19.33%、18.85%、13.46%和9.58%;磷肥农学效率分别为8.90、8.61、5.72和3.57 kg·kg-1,适量施用磷肥是大豆高产高效的重要措施。
- Abstract:
- Field experiments of phosphoric fertilizer application on soybean were conducted in the main region of soybean production in Heilongjiang province to determine the effect and the optimum rate of it to soybean. The results showed that the optimum rate of phosphorus (P2O5) was 90 kghm-2; with it application the yield increased 775 kghm-2, the percentage was 36.2%, the benefits was 2 260 yuanhm-2,on average. When the phosphorus (P2O5) applied at the rate 45, 90, 135 and 180 kghm-2, the recovery of phosphorus fertilizer were 19.33%、18.85%、13.46% and 9.58%,respectively; the agronomic efficiency of them were 8.90、8.61、5.72 and 3.57 kgkg-1respectively. It’s an important measure to obtain high yield and high efficiency soybean production by appropriate rate application of phosphorus fertilizer.
参考文献/References:
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备注/Memo
基金项目: “十一五”国家科技支撑资助项目(2008BADA4B06,2008BAD96B02);国际植物营养研究所(IPNI)资助项目(NMBF-Heilongjiang-2008)