Critical levels and sufficiency ranges for leaf nutrient diagnosis by two methods in soybean grown in the Northeast of Brazil.
Critical levels and sufficiency ranges for leaf nutrient diagnosis by two methods in soybean grown in the Northeast of Brazil.
Author(s): SOUZA, H. A. de; VIEIRA, P. F. de M. J.; ROZANE, D. E.; SAGRILO, E.; LEITE, L. F. C.; FERREIRA, A. C. M.
Summary: Establishing sufficiency ranges and critical levels of nutrients are important for a correct evaluation of plant nutrition through leaf diagnosis. This study aimed to propose critical levels and sufficiency ranges of macro and micronutrients based on leaf diagnosis of soybean plants. The database used was generated from 86 samples of the third trifoliate leaf without petiole, collected during the flowering stage from soybean plants of the main cultivars used in the states of Piauí and Maranhão, Northeast region of Brazil.
Publication year: 2020
Types of publication: Journal article
Unit: Embrapa Mid-North
Observation
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