The Fate and Balance of Humic Acid Fertilizer in Winter Wheat-Summer Corn Rotation System

ZHUANG Zhendong; LI Xuhua; ZHANG Jian; CAO Yaru; WANG Ping

doi:10.13870/j.cnki.stbcxb.2016.06.034

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The Fate and Balance of Humic Acid Fertilizer in Winter Wheat-Summer Corn Rotation System

更新时间：2025-03-12

- The Fate and Balance of Humic Acid Fertilizer in Winter Wheat-Summer Corn Rotation System
- Vol. 30, Issue 6, Pages: 201-206(2016)
- 作者机构：
  
  土壤资源高效利用国家工程实验室，山东农业大学资源与环境学院,山东,泰安,271018
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2016.06.034
  CLC： S147.4;S344.1
- Published：2016
- 稿件说明：
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ZHUANG Zhendong, LI Xuhua, ZHANG Jian, et al. The Fate and Balance of Humic Acid Fertilizer in Winter Wheat-Summer Corn Rotation System[J]. 2016, 30(6): 201-206.
DOI：

ZHUANG Zhendong, LI Xuhua, ZHANG Jian, et al. The Fate and Balance of Humic Acid Fertilizer in Winter Wheat-Summer Corn Rotation System[J]. 2016, 30(6): 201-206. DOI： 10.13870/j.cnki.stbcxb.2016.06.034.

摘要

为促进新型肥料的应用，减少环境污染，提高玉米、小麦产量，通过同位素示踪技术研究新型腐植酸氮肥对玉米和小麦产量、氮肥吸收利用、氮肥在土壤中分布、氮肥损失以及土壤氮素盈亏的影响。结果表明：脲基活化腐植酸氮肥和常规掺混腐殖酸氮肥可显著增加玉米和小麦产量，提高氮肥利用率，增加氮肥残留量，减少氮肥损失，增加土壤氮素盈余，增加土壤氮素矿化，增加作物对土壤氮素的吸收，其中脲基活化腐植酸作用效果更加明显。脲基活化腐植酸氮肥和常规掺混腐殖酸氮肥与普通尿素相比，玉米产量分别增加20.6%和9.8%，小麦产量分别增加50.5%和19.2%；玉米季氮肥利用率分别提高5.8%和3.4%，小麦季分别增加22.7%和8.6%；玉米季氮肥损失率分别减少18.3%和10.9%，小麦季分别减少20.2%和6.3%；玉米季氮肥残留率分别增加12.5%和7.5%，小麦季分别减少2.7%和2.2%。施用腐植酸氮肥能改善氮素在土壤中的分布，满足作物根系需肥特性。

Abstract

In order to promote application of the new type fertilizers

increase crop yield and reduce environmental pollution

the research explored effects of humic acid nitrogen fertilizer on corn and wheat yield

nitrogen absorption and utilization

and nitrogen distribution and loss in soil. The results showed that application of activated humic acid fertilizer and conventional mixed humic acid fertilizers could significantly promote corn and wheat yield

increase nitrogen utilization ratio

increase nitrogen residual content

reduce nitrogen loss amount

increase nitrogen surplus and net nitrogen mineralization

and promote soil nitrogen absorption. Activated humic acid fertilizer was better than conventional humic acid fertilizer. The results showed that compared with common urea

the activated humic acid fertilizer and conventional mixed humic acid fertilizers showed these effects: Corn yield were increased by 20.6% and 9.8%

respectively

and wheat yield were increased by 50.5% and 19.2%

respectively; In corn growing season

the nitrogen utilization rates were increased by 5.8% and 3.4%

respectively

while in wheat growing season

the nitrogen utilization rates were increased by 22.7% and 8.6%

respectively; In corn growing season

the nitrogen loss rates were reduced by18.3% and 10.9%

respectively

while in wheat growing season

the nitrogen loss rates were reduced by 20.2% and 6.3%

respectively; In corn growing season

the soil nitrogen residual rates were increased by 12.5% and 7.5%

respectively

while in corn growing season

the soil nitrogen residual rates were reduced by 2.7% and 2.2%

respectively. Application of humic acid fertilizer can improve the distribution of nitrogen in the soil

which therefore can be better satisfy crop root fertilizer characteristics.

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