Pub Date : 2020-04-30DOI: 10.15406/jabb.2020.07.00220
E. C. Herrera, L. Pérez
The acidity of the soil produces complex interactions on plant growth limiting factors that involve physical, chemical and biological properties of the soil, which can manifest in deficiencies of calcium, magnesium and phosphorus and toxicity of aluminum, iron, and manganese, which could limit plant growth. Based on the above and in order to contribute to better development of tomato crop in soils with a low nutritional offer and acid reaction of the Santa Clara region (Sucre), the following research has been proposed with five (5) commercial lime dose (0, 1, 2, 3 and 4 t ha -1 ) and its effect on chemical properties, using tomato as an indicator plant. The effect on pH, P, Ca, Mg and K in the soil was evaluated, and in the plant, the yield components were evaluated (weight and dimensions of the fruit, yield). A completely randomized design with three repetitions was used, the information was processed with the statistical software SAS version 9.1. It was found that liming improves soil pH, availability of P, Ca, Mg and K, in the same way, the development and yield of tomato crop with doses of up to 3 t ha -1 of lime on the soil is improved.
土壤酸度对植物生长限制因子产生复杂的相互作用，涉及土壤的物理、化学和生物特性，表现为钙、镁、磷的缺乏和铝、铁、锰的毒性，从而限制植物生长。在此基础上，为了促进圣克拉拉地区(苏克雷)低营养和酸反应土壤中番茄作物的更好发展，以番茄为指示植物，提出了5种商业石灰剂量(0、1、2、3和4 t ha -1)及其对化学性质的影响的研究。对土壤pH、P、Ca、Mg和K的影响进行了评价，对植株进行了产量成分评价(果实重量、尺寸、产量)。采用三次重复的完全随机设计，资料采用SAS version 9.1统计软件处理。石灰可以改善土壤pH值，提高磷、钙、镁和钾的有效性，同样地，石灰在土壤上施用3 tha -1可以改善番茄作物的发育和产量。
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