草莓最佳灌溉施钾量的综合评价

IF 2.2 2区 农林科学 Q2 AGRICULTURAL ENGINEERING International Journal of Agricultural and Biological Engineering Pub Date : 2023-01-01 DOI:10.25165/j.ijabe.20231602.7591
X. Yang, Rongcheng Du, Mengchi Zhang, Huawei Feng, Ziqing Wang, Zhi Zhang
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引用次数: 0

摘要

准确有效的灌溉和施肥管理对温室草莓的高效生产至关重要。本研究通过12个处理,包括4个以蒸腾(ET C)为基础的灌溉水平(W1: 100% ET C、W2: 85% ET C、W3: 70% ET C和W4: 55% ET C)和3个按目标产量(K1: 369.5 kg/hm 2、K2: 307.9 kg/hm 2和K3: 246.3 kg/hm 2),评价了水钾配施对草莓生长的影响。测定了草莓产量、果实品质、水肥利用效率和土壤养分残留量等各项指标。灌溉和施钾对草莓产量影响显著。较高的灌溉水平提高了产量(Y),适度的水钾处理提高了单果重(SFW)、水分利用效率(WUE)、总可溶性糖(TSSC)和糖酸比(SAR)。低施钾可有效提高土壤可溶性蛋白含量(SP)、钾的部分因子生产力(PFP K),减少土壤养分残留。建立了草莓生长及其对土壤环境效益的综合评价体系。采用FAHP法和CRITIC法分别计算各指标的主观权重和客观权重。土壤速效钾的主观质量最大(0.200),土壤速效钾的客观质量最大(0.101)。最终权重由博弈论确定;Y的质量最高(0.185),游离氨基酸(FAA)的质量最低(0.047)。采用灰色关联分析(GRA)对实现多目标的最优灌钾方案进行了评价。草莓综合得分对灌溉和钾肥的响应呈负抛物线关系,灌溉的影响大于钾肥的影响。灌溉与施钾之间存在显著的交互作用,灌溉量为2053 ~ 2525 m3 /hm 2,施钾量为288.1 ~ 334.2 kg/hm 2,对提高草莓产量、果实品质和效率、减少土壤养分残留效果最佳。这项研究的结果提供了新的见解,可以帮助发展可持续的方法来提高农业生产。
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Comprehensive evaluation of the optimal rates of irrigation and potassium application for strawberry
: Accurate and effective management of irrigation and fertilization is essential for efficient greenhouse strawberry production. Here, the effects of the combined application of water and potassium on strawberry growth were evaluated by experimenting with 12 treatments, including four transpiration (ET C )-based irrigation levels (W1: 100% ET C , W2: 85% ET C , W3: 70% ET C , and W4: 55% ET C ) and three potassium levels according to the target yield (K1: 369.5 kg/hm 2 , K2: 307.9 kg/hm 2 , and K3: 246.3 kg/hm 2 ). Various indexes of strawberry yield, fruit quality, water and fertilizer utilization efficiency, and soil nutrient residues were measured. Irrigation and potassium application had significant effects on strawberry production. Higher irrigation levels increased yield ( Y ), and moderate water and potassium application increased single fruit weight (SFW), water utilization efficiency (WUE), total soluble sugar (TSSC), and the sugar-acid ratio (SAR). While low-application of potassium increased the soluble protein content (SP), partial factor productivity of potassium (PFP K ), and reduce nutrient residues in soil effectively. A comprehensive system for evaluating strawberry growth and its benefits to the soil environment was developed. The FAHP and CRITIC methods were used to calculate the subjective weight and objective weight of each index, respectively. The largest subjective weight was observed for Y (0.200), and the largest objective weight was observed for soil-available potassium (0.101). The final weight was determined using Game theory; Y had the highest weight (0.185), and free amino acids (FAA) had the lowest weight (0.047). Grey relational analysis (GRA) was used to evaluate the optimal irrigation and potassium scheme for accomplishing multiple objectives. The response of the comprehensive score of strawberries to irrigation and potassium exhibited a negative parabolic relationship, and the effect of irrigation was greater than the effect of potassium application. There was a significant interaction between irrigation and potassium application, and an irrigation amount of 2053-2525 m 3 /hm 2 with a potassium application rate of 288.1-334.2 kg/hm 2 was optimal for promoting strawberry yield, fruit quality, and efficiency and reducing soil nutrient residues. The results of this study provide new insights that could aid the development of sustainable approaches for enhancing agricultural production.
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来源期刊
CiteScore
4.30
自引率
12.50%
发文量
88
审稿时长
24 weeks
期刊介绍: International Journal of Agricultural and Biological Engineering (IJABE, https://www.ijabe.org) is a peer reviewed open access international journal. IJABE, started in 2008, is a joint publication co-sponsored by US-based Association of Agricultural, Biological and Food Engineers (AOCABFE) and China-based Chinese Society of Agricultural Engineering (CSAE). The ISSN 1934-6344 and eISSN 1934-6352 numbers for both print and online IJABE have been registered in US. Now, Int. J. Agric. & Biol. Eng (IJABE) is published in both online and print version by Chinese Academy of Agricultural Engineering.
期刊最新文献
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