|Table of Contents|

Effects of Subsurface Drip Fertigation on Fruit Pod Nutritional Quality,Senescence,Soil Physicochemical Properties in Okra

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2026年15
Page:
77-84
Research Field:
Publishing date:

Info

Title:
Effects of Subsurface Drip Fertigation on Fruit Pod Nutritional Quality,Senescence,Soil Physicochemical Properties in Okra
Author(s):
CHEN Yaoyao1; YAN Liangwen1; LIU Jianting2; YU Jie3; ZHU Haisheng2
(1.Longyan Institute of Agricultural Sciences,Longyan,Fujian 364000;2.Fujian Key Laboratory of Vegetable Genetics and Breeding,Fuzhou,Fujian 350013;3.Agriculture Bureau of Xinluo District,Longyan,Fujian 364000)
Keywords:
Abelmoschus esculentus; pod; quality; soil environment; topdressing
PACS:
S649
DOI:
10.11937/bfyy.20260278
Abstract:
Taking ‘fruit okra’ as experimental material,a randomized block design was adopted to set up five mulched drip irrigation top-dressing treatments,CK (sakfu 30 kg),T1 (sakfu 30 kg+urea 2 kg),and T2-T4 (sakfu 20 kg combined with amino acid water-soluble fertilizer 500×+rootle shi 1 L,seaweed extract water-soluble fertilizer 1 500×+rootle shi 1 L,and chitosan 2 kg+rootle shi 1 L,respectively).After three top-dressing applications,soil physicochemical properties,enzyme activities,pod senescence indicators and fruit quality were determined to screen for the optimal top-dressing scheme that could improve soil conditions,delay pod senescence and enhance fruit quality,in order to provide reference for delaying the aging of okra through cultivation measures in production.The results showed that compared with CK,treatments T2-T4 with reduced chemical fertilizer and increased functional organic fertilizer showed significant effects.At the soil level,soil physicochemical properties and enzyme activities were significantly improved.Specifically,T2 treatment significantly increased soil urease and invertase activities,and available nitrogen and phosphorus contents compared with CK,while reducing pod cellulose content to delay senescence,and significantly improving fruit quality indicators such as soluble sugar,soluble protein and total flavonoids.In conclusion,reducing chemical fertilizer combined with functional organic fertilizer could effectively improve soil environment,delay pod senescence and enhance fruit quality,with T2 treatment showing the best comprehensive effects and being recommended for practical production application.

References:

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Last Update: 2026-08-13