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首页> 外文会议>International Symposium on Soilless Culture and Hydroponics >Effects of Mineral Nutrition and Biofertilization on Lettuce Production under Conventional and Soilless Culture
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Effects of Mineral Nutrition and Biofertilization on Lettuce Production under Conventional and Soilless Culture

机译：矿物营养与生物元化对常规和无土培养下生菜生产的影响

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Achieving a sustainable horticulture outlines a rational use of fertilizers to minimize degradation of soils and contamination of aquifer, developing technologies and alternative nutritional plans. Lettuce is the most important leaf vegetable; its culture and production are affected by handling systems and fertilization type used. In North Argentina there is no sufficient experience and systematized information on lettuce cultivation without soils and with different nutrition. The work aimed to assess effects of mineral nutrition and biofertilization on yield and quality of lettuce in conventional crop -soil- and -soilless culture- on vertical sleeves. One worked on field, greenhouse and laboratory Chair of Horticulture, Finca El Manantial, Piedmont of Tucumán (northwest Argentina). Lettuce type cutsheet was used, with experimental design BCA -4 treatments with 5 repetitions-: T1 conventional system -soil-; T2 system soilless culture -conventional nutrition- vertical sleeves; T3 system soil - biofertilizers and T4 system soilless culture -vertical sleeves- biofertilizers. With ANOVA and Tukey Test (program Statistix), number of leaf (NL), leaf area (LA), size (scale), length and stem diameter and fresh weight (FW) of plants was evaluated in three moments of the crop. FW plants showed significant differences between treatments: TI (124.5); T2 (212.5); T3 (166.5) for T4 (330.2). Meanwhile, in the three time points NL, LA, size and length and stem diameter also showed statistical differences between treatments tested. The results showed that the conventional system -soil- was passed by the soilless culture in the parameters evaluated. The adaptation of this vegetable to alternative management systems is a sustainable tool for which further research is needed to adjust the system without local soil and achieve levels of fertilization for the correct use of this technology, reducing negative effects on the environment.
机译：实现可持续园艺概述了合理的肥料，以最大限度地减少土壤的降解和含水层的污染，开发技术和替代营养计划。莴苣是最重要的叶蔬菜;其培养和生产受到使用系统和施肥类型的影响。在北阿根廷没有足够的经验和系统化的莴苣栽培信息，没有土壤和不同的营养。该工作旨在评估矿物营养和生物元化对常规作物和培养型植物植物产量和质量的影响。一个曾在园艺，温室和实验室椅子上锻炼，富普·埃尔·纳尼斯，蒂库曼（Tucumán）的皮埃蒙特（阿根廷西北部）。使用莴苣型切割表，实验设计BCA -4治疗，5重复 - ：T1常规系统 - STO-; T2系统无土培养 - 转化营养 - 垂直袖子; T3系统土 - 生物元化器和T4系统无土培养套 - 生物元体 - 生物元体。通过ANOVA和TUKEY测试（程序统计学），在作物的三个时刻评估了植物的叶片（NL），叶面积（LA），叶片区域（尺度），长度和茎直径和茎直径（FW）。 FW植物在治疗之间存在显着差异：Ti（124.5）; T2（212.5）; T3（166.5）用于T4（330.2）。同时，在三个时间点NL，LA，尺寸和长度和茎直径也显示出测试的治疗之间的统计差异。结果表明，传统的系统 - 在评估的参数中被无土培养物通过。这种蔬菜对替代管理系统的适应是一种可持续的工具，需要进一步研究，以便在没有局部土壤的情况下调整系统，并达到正确使用这种技术的施肥水平，降低对环境的负面影响。

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