Effects of Nitrification Inhibitors and Microbial Agents on Yield and Nutrient Utilization of Melon

ZHANG Chunnan; ZHANG Ruifang; WANG Xinxin; ZHANG Chi; LI Jianjun; WANG Hong

doi:10.13870/j.cnki.stbcxb.2020.06.039

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Effects of Nitrification Inhibitors and Microbial Agents on Yield and Nutrient Utilization of Melon

更新时间：2025-03-12

- Effects of Nitrification Inhibitors and Microbial Agents on Yield and Nutrient Utilization of Melon
- Vol. 34, Issue 6, Pages: 281-287(2020)
- 作者机构：
  
  1. 河北农业大学资源与环境科学学院,河北,保定,071001
  2. 河北省山区农业工程技术研究中心,河北,保定,071001
  3. 国家北方山区农业工程技术研究中心,河北,保定,071001
  4. 定州市农业农村局,河北,保定,071001
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2020.06.039
  CLC： S652;S143.1
- Published：2020
- 稿件说明：
移动端阅览
ZHANG Chunnan, ZHANG Ruifang, WANG Xinxin, et al. Effects of Nitrification Inhibitors and Microbial Agents on Yield and Nutrient Utilization of Melon[J]. 2020, 34(6): 281-287.
DOI：

ZHANG Chunnan, ZHANG Ruifang, WANG Xinxin, et al. Effects of Nitrification Inhibitors and Microbial Agents on Yield and Nutrient Utilization of Melon[J]. 2020, 34(6): 281-287. DOI： 10.13870/j.cnki.stbcxb.2020.06.039.

摘要

通过大田试验及室内分析，研究2种硝化抑制剂（3，4—二甲基吡唑磷酸盐（DMPP）和双氰胺（DCD））和微生物菌剂等肥料增效剂单独及两两组合施用对沙地壤土甜瓜生长、产量及氮素利用的影响，旨在解决设施甜瓜生产中的氮素利用问题，为设施甜瓜增产及氮素管理措施提供科学依据。结果表明：添加硝化抑制剂和微生物菌剂的处理均能够促进甜瓜生长。甜瓜生长的各个时期，增效剂的施用调节了土壤氮素供应状态，减弱了设施菜地根际土壤pH下降幅度；其中硝化抑制剂和微生物菌剂与化肥配施处理（C+DMPP+J）对甜瓜生长和土壤氮素利用促进效果最显著，与常规施肥C处理相比，甜瓜产量增加21.7%，甜瓜生育期内株高和茎粗最多提高13.6%（定植后40天）和8.9%（定植后65天）；铵态氮最多提高96.9%（定植后90天；20—40 cm），降低土壤中硝态氮含量；显著提高甜瓜氮肥偏生产力（21.6%）、氮肥农学效率（60.7%）以及氮肥生理利用率（40.3%），在所有处理中效果最佳。硝化抑制剂和微生物菌剂与化肥配施对土壤氮素转化表现出明显的抑制效果，使甜瓜生育期内维持较高的NH4+—N含量，延长了土壤氮素供应时间。可见，硝化抑制剂和微生物菌剂与化肥配施可以延长氮素释放周期，对于减少氮素流失、提高作物产量具有重要意义。

Abstract

In agricultural production

nitrification inhibitors and microbial agents are often used as fertilizer synergist to coordinate soil nutrients and promote crop growth. In order to solve the problem of nitrogen utilization in facility melon production

two kinds of nitrification inhibitors

4—dimethylpyrazole phosphate (DMPP) and dicyandiamide (DCD)

and microbial agent were selected as test materials to study the effects of their single application or combination of inhibitors and microbial agent on melon growth and soil nitrogen utilization through a field experiment. The results showed that the addition of nitrification inhibitors and microbial agents could promote melon’s growth. During the growth period of melon

the application of synergist regulated the supply state of soil nitrogen and reduced the pH of rhizosphere soil. Among all treatments

C+DMPP+J treatment had the most significantly positive effect on melon growth and soil nitrogen utilization. Compared with conventional fertilization treatment

C+DMPP+J led to that melon production was increased by 21.7%;during the growth period

the plant height and stem diameter were increased by 13.6% (40 days after transplanting) and 8.9% (65 days after transplanting) at most

and the ammonium nitrogen was increased by 96.9% (90 days after transplanting

20—40 cm)

the nitrate nitrogen in soil decreased. It significantly improved the partial productivity of nitrogen fertilizer (21.6%)

agronomic efficiency of nitrogen fertilizer (60.7%) and physiological utilization rate of nitrogen fertilizer (40.3%).The combination of nitrification inhibitor and microbial bacteria agent with chemical fertilizer showed obvious inhibition effect on soil nitrogen transformation

the content of ammonium nitrogen was higher during the growth period of melon

which extended the supply time of soil nitrogen. It could be seen that nitrification inhibitors and microbial agents combined with chemical fertilizers could prolong the nitrogen release cycle

which should be of great significance for reducing nitrogen loss and increasing crop yield.

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