WANG Jian-kang,WEI Yan-qing,WANG Zhi-ming,et al.Effects of Different Zn and Boron Contents of BB Fertilizer on Maize Growth[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(07):60-65.[doi:10.11942/j.issn1002-2767.2019.07.0061]
不同锌硼元素含量BB肥对玉米生长的影响
- Title:
- Effects of Different Zn and Boron Contents of BB Fertilizer on Maize Growth
- Keywords:
- maize; zinc boron; BB fertilizer; biomass.
- 文献标志码:
- A
- 摘要:
- 为筛选出肥料中锌、硼最适添加量,通过盆栽试验的方法,在养分含量为26-10-12玉米BB肥上添加不同梯度的微量元素Zn(螯合态)、B(四水八硼酸钠),研究其对玉米株高、茎粗、叶面积指数、叶绿素含量、穗重、地上生物量及玉米籽粒中锌硼含量的影响。结果表明:添加了锌硼微量元素BB肥与对照相比均能够不同程度促进玉米植株的株高、茎粗及叶绿素含量等农艺性状,且促进玉米穗重和地上生物量分别提高了20.6%~34.5%和14.4%~19.0%,而且促进了玉米籽粒品质的提高,籽粒锌、硼含量分别提高了25.6%~32.0%和10.15%~14.16%。因此,在考虑经济效益的情况下,筛选出T1(Zn 25 kg·t-1+B 12.5 kg·t-1)为最佳处理,即施用25 kg·t-1螯合锌和12.5 kg·t-1四水八硼配制的26-10-12玉米专用BB肥可以在保证玉米品质的前提下,获得最佳的经济产量。
- Abstract:
- In order to select out the most suitable amount of zinc and concentrate in fertilizer,different gradients of Zn (chelating state) and B (Na2B8O13·4H2O) were added to the maize BB fertilizer with a nutrient content of 26-10-12 by pot experiment.The effects of plant height,stem diameter,leaf area index,chlorophyll content,ear weight,aboveground biomass and zinc and boron content in maize kernels were studied.The results showed that the addition of zinc-boron trace element BB fertilizer could promote the agronomic traits such as plant height,stem diameter and chlorophyll content of maize plants in different degrees,and promoted maize ear weight and aboveground biomass by 20.6%-34.5% and 14.4%-19.0%,respectively.Moreover,the quality of maize kernels was improved,and the zinc and boron contents of maize kernels were increased by 25.6%-32.0% and 10.15%-14.16%,respectively.Therefore,in consideration of economic benefits,T1(Zn 25 kg·t-1+B 12.5 kg·t-1) is selected as the best treatment,26-10-12 maize special BB fertilizer prepared by applying 25 kg·t-1 chelated zinc and 12.5 kg·t-1 tetrahydrate borax.The best economic yield can be achieved while maintaining the quality of the maize.
参考文献/References:
[1]康鹏.微量元素对红枣生理及品质特性影响的研究[D].乌鲁木齐:新疆农业大学,2012.
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备注/Memo
收稿日期:2019-01-28