ZHANG Jian-qing,LI Meng,WANG Qin,et al.Effects of Different Fertilizer Rates on Rape Yield and Fertilizer Utilization Rate[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(11):41-44.[doi:10.11942j.issn1002-2767.2018.11.0041]
不同施肥量对油菜产量及肥料利用率的影响
- Title:
- Effects of Different Fertilizer Rates on Rape Yield and Fertilizer Utilization Rate
- Keywords:
- nitrogen; phosphorus; potassium; fertilizer utilization; oilseed rape
- 文献标志码:
- A
- 摘要:
- 为促进春油菜(甘蓝型）合理施肥，在大田生产条件下，选取中（A）、低（B）、高（C）3种肥力水平的地块，采用5个不同的氮磷钾施肥量组合，研究不同施肥量下油菜的产量及氮磷钾肥利用率的变化。结果表明：在各点各处理产量结果中，基础地力水平高的地块虽然氮磷钾施肥量较低，但三者达到最佳的配比后产量最高，达到4 917.1 kg?hm-2；A点油菜氮肥、磷肥和钾肥利用率分别为25.4%、12.6%和41.3%；B点分别为19.0%、7.1%和20.2%；C点分别为37.1%、16.2%和49.0%。油菜氮肥、磷肥和钾肥利用率平均分别为27.2%、12.0%和36.8%。
- Abstract:
- In order to promot rational fertilization in rape field,under field production conditions,the yield of rapeseed and the utilization rate of nitrogen,phosphorus and potassium fertilizer were studied by using five different combinations of nitrogen,phosphorus and potassium fertilizer in the plots with three fertility levels of medium(A),low(B) and high(C).The results showed that although the amount of N,P,K and K fertilization was low in the yield of each treatment at each point,the yield of the three was the highest,reaching 4 917.1 kg ? ha-1.The utilization rates of nitrogen fertilizer,phosphorus fertilizer and potassium fertilizer in point A was 25.4 %,12.6% and 41.3%,respectively; Point B was 19.0%,7.1% and 20.2% respectively; Point C was 37.1 %,16.2% and 49.0%,respectively.The utilization rate of nitrogen fertilizer,phosphorus fertilizer and potassium fertilizer in rapeseed was 27.2%,12.0% and 36.8% respectively.
参考文献/References:
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备注/Memo
收稿日期：2018-06-13