草莓水培系统有机基质理化指标的评价

Elizabeth Marcela Guerrero-Guerrero, H. Criollo-Escobar, German Cháves, J. A. Vélez
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引用次数: 0

摘要

该项目是一个创新和清洁的替代方案,优化了Nariño部门对小面积草莓(Fragaria ananassa Duch)生产的利用。本研究是在国际中心Producción Limpia Lope - sena - Regional Nariño进行的,目的是评估有机基质(如椰子纤维、稻壳及其混合物)在水培系统中对草莓(Fragaria ananassa Duch)品种Albión生产的物理和化学变量。共进行6次治疗和4次重复;试验处理为100%稻壳、70%稻壳+ 30%椰子纤维混合、每种基质各50%、70%椰子纤维+ 30%稻壳混合、100%椰子纤维处理和塑料覆盖土壤对照。将实验初始阶段和实验结束阶段的平均值进行对比分析,评估其物理和化学性质,如容重、实际密度、重量水分、粒度、pH和电导率。实验表明,对基质进行初始和最终测量可以充分监测作物的最佳发育情况,因为筛中颗粒百分比高的基质<0.25,电导率大于2000µS。Cm-1和堆积密度的增加会产生盐碱化和压实,对作物产生负面影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of physical and chemical variables of organic substrates in a hydroponic system for strawberry (Fragaria ananassa Duch)
This project is presented as an innovative and clean alternative that optimizes the use of small areas for strawberry (Fragaria ananassa Duch) production in the department of Nariño. This research was conducted at the Centro Internacional de Producción Limpia Lope -SENA- Regional Nariño, with the aim of evaluating physical and chemical variables of organic substrates such as coconut fiber, rice husk, and their mixtures for strawberry (Fragaria ananassa Duch) variety Albión production in a hydroponic system. Six treatments and four repetitions were performed; the treatments were 100% rice husk, 70% rice husk and 30% coconut fiber mixture, 50% of each of the substrates used, a mixture of 70% coconut fiber and 30% rice husk, 100% coconut fiber, and a control in soil with plastic cover. A comparative analysis was made between the average values obtained in the initial stage and the final stage of the experiment, evaluating physical and chemical properties such as bulk density, real density, gravimetric moisture, granulometry, pH, and electrical conductivity. The experiment showed that taking initial and final measurements of the substrates allows adequate monitoring for optimal crop development since a substrate with a high percentage of particles in the sieve <0.25, electrical conductivities greater than 2000 µS.cm-1, and an increase in bulk density can produce salinization and compaction, negatively impacting the crop.
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