Spatial correlation of soybean yield with the chemical attributes of an Oxisol

Q4 Agricultural and Biological Sciences

Agronomia Colombiana Pub Date : 2023-04-30 DOI:10.15446/agron.colomb.v41n1.107282

Luiz Claudio Rodrigues, Tulio Russino Castro, Cassiano Garcia Roque, Fernando França da Cunha, Fabio Lima Abrantes, Gabriela Vitória Souza, Job Teixeira de Oliveira

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Abstract

Soybean is currently the most cultivated oilseed in the world. The objective of this study was to analyze the chemical attributes of Oxisol correlated with soybean productivity. The attributes evaluated were grain productivity, soil properties of organic matter contents, phosphorous, pH, potassium, calcium, magnesium, hydrogen + aluminum, aluminum, sum of bases, cation exchange capacity (CEC), base saturation, liming requirement; penetration resistance at 0.0-0.10 m, 0.10-0.20 m, 0.20-0.30 m, and 0.30-0.40 m. Soil chemical attributes were submitted to a descriptive classic analysis with the help of the RBio software. In the semivariogram analysis, the attributes calcium, magnesium, aluminum, sum of bases, base saturation, liming requirement, and penetration resistance at 0.30-0.40 m showed a pure nugget effect, meaning no spatial dependence. In conclusion, CEC was the attribute that best described the soybean yield data in dystrophic Red Latosols. Attributes of grain productivity, soil organic matter, phosphorus, pH, potassium, hydrogen + aluminum, CEC, penetration resistance at 0.00 to 0.30 m showed spatial dependence.

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大豆产量与土壤化学性状的空间相关性研究

大豆是目前世界上种植最多的油籽。本研究的目的是分析与大豆产量相关的氧化索的化学特性。评价的性状包括粮食生产力、土壤有机质含量、磷、pH、钾、钙、镁、氢+铝、铝、碱和、阳离子交换容量(CEC)、碱饱和度、石灰需要量等;0.010 -0.10 m、0.10-0.20 m、0.20-0.30 m、0.30-0.40 m穿透阻力。利用RBio软件对土壤化学属性进行描述性经典分析。在半变异函数分析中，0.30 ~ 0.40 m处，钙、镁、铝、碱基总和、碱基饱和度、石灰需水量、抗渗透能力等属性均表现为纯金块效应，不存在空间依赖性。综上所述，CEC是最能描述营养不良红壤中大豆产量数据的属性。在0.00 ~ 0.30 m处，粮食生产力、土壤有机质、磷、pH、钾、氢+铝、CEC、穿透阻力等属性呈现空间依赖性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Agronomia Colombiana Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

25 weeks

期刊介绍： Agronomia Colombiana journal it is intended to transfer research results in different areas of tropical agronomy. Original unpublished papers are therefore accepted in the following areas: physiology, crop nutrition and fertilization, genetics and plant breeding, entomology, phytopathology, integrated crop protection, agro ecology, weed science, environmental management, geomatics, biometry, soils, water and irrigation, agroclimatology and climate change, post-harvest and agricultural industrialization, food technology, rural and agricultural entrepreneurial development, agrarian economy, and agricultural marketing (Published: Quarterly).