Micronutrients prediction via pXRF spectrometry in Brazil: Influence of weathering degree

• Published in: Geoderma Regional Vol. 27; p. e00431
• Main Authors: Andrade, Renata, Silva, Sérgio Henrique Godinho, Weindorf, David C., Chakraborty, Somsubhra, Faria, Wilson Missina, Guilherme, Luiz Roberto Guimarães, Curi, Nilton
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.12.2021
• Subjects: Brazil; data collection; Entisols; fluorescence; Micronutrients; nutrient availability; Oxisols; Plant nutrition; precision agriculture; prediction; Prediction models; rapid methods; regression analysis; Soil fertility; Soils of the tropics; support vector machines; toxicity; Weathering-leaching; X-radiation; Brazil; Micronutrients; Prediction models; Soil fertility; Plant nutrition; Soils of the tropics; Weathering-leaching

Management of micronutrient levels in soils must be done carefully to avoid their deficiency or toxicity to plants. The laboratory determination of micronutrient contents is time-consuming, expensive and generates chemical wastes, making it difficult for soil surveys required in precision agricultur...