Effects of Potassium Application and Straw Returning on Potassium Management and Benefit of Banana

IF 1.4 4区农林科学 Q3 AGRICULTURAL ENGINEERING Transactions of the ASABE Pub Date : 2021-01-01 DOI:10.13031/TRANS.14653

Chao Zheng, Yang Xiaofei, Ke-xing Liu, Yongxiang Huang

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引用次数: 2

Abstract

HighlightsThe effects of potash fertilizer and straw returning on a banana orchard were studied by field experiment.Fertilizer with straw was more conductive to potassium nutrient balance and improved banana yield and quality.The economic benefits of straw replacing different amounts of potassium fertilizer were compared.Abstract. To explore the effects of potash fertilizer and straw returning in banana production, a field experiment was carried out, and four treatments were set up: NP fertilizer (NP), NP fertilizer and banana straw (NP+St), NPK fertilizer (NPK), and NPK fertilizer and banana straw (NPK+St). Through the soil potassium balance, the effects of potash fertilizer and straw returning on the yield, quality, and economic benefits of bananas were studied. The results showed that the application of potash fertilizer and straw could improve banana yields. Compared with the NP treatment, the banana yields of the NP+St, NPK, and NPK+St treatments increased by 17.5%, 50.5%, and 71.6%, respectively. The order of banana yield, potassium balance coefficient, and nutrient accumulation was NPK+St > NP+St > NPK > NP. The NPK+St treatment also improved the recovery rate and agronomic utilization rate of potash fertilizer, which were higher than that of potassium application without straw (NPK) and straw application without potassium (NP+St). Potassium application with straw improved the banana yield, increased the total accumulation of nitrogen, phosphorus, and potassium, and improved the efficiency of potash fertilizer uptake by the crop. Therefore, this study demonstrates the importance of straw for maintaining the soil potassium balance in banana production. The input cost of potassium fertilizer was reduced, and the resource utilization of banana straw was realized by straw returning, which can be promoted in local agricultural production. Keywords: Banana, Potassium application, Potassium balance, Straw returning, Yield.

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施钾和秸秆还田对香蕉钾管理和效益的影响

通过田间试验，研究了钾肥与秸秆还田对香蕉果园生长的影响。秸秆肥更有利于钾养分平衡，提高香蕉产量和品质。比较了秸秆替代不同钾肥用量的经济效益。为探讨钾肥与秸秆还田对香蕉生产的影响，进行了田间试验，设置了4种处理:NP肥(NP)、NP肥与香蕉秸秆(NP+St)、NPK肥(NPK)、NPK肥与香蕉秸秆(NPK+St)。通过土壤钾平衡，研究了钾肥和秸秆还田对香蕉产量、品质和经济效益的影响。结果表明，施用钾肥和秸秆能提高香蕉产量。与NP处理相比，NP+St、NPK和NPK+St处理的香蕉产量分别提高了17.5%、50.5%和71.6%。香蕉产量、钾平衡系数和养分积累顺序为NPK+St > NP+St > NPK > NP。NPK+St处理也提高了钾肥的回收率和农艺利用率，均高于秸秆不施钾(NPK)和秸秆不施钾(NP+St)。秸秆配施钾提高了香蕉产量，增加了氮、磷、钾的总积累量，提高了作物对钾肥的吸收效率。因此，本研究证明了秸秆在香蕉生产中维持土壤钾平衡的重要性。降低了钾肥投入成本，通过秸秆还田实现了香蕉秸秆的资源化利用，可在当地农业生产中推广。关键词:香蕉，施钾，钾平衡，秸秆还田，产量

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来源期刊

Transactions of the ASABE AGRICULTURAL ENGINEERING-

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： This peer-reviewed journal publishes research that advances the engineering of agricultural, food, and biological systems. Submissions must include original data, analysis or design, or synthesis of existing information; research information for the improvement of education, design, construction, or manufacturing practice; or significant and convincing evidence that confirms and strengthens the findings of others or that revises ideas or challenges accepted theory.