01362naa a2200253 a 450000100080000000500110000800800410001902400550006010000200011524501540013526000090028952005340029865000230083265000200085565000230087565000160089865000230091470000270093770000180096470000160098270000200099870000230101877300670104121242962020-08-12       2020    bl uuuu     u00u1 u    #d7 ahttps://doi.org/10.36783/18069657rbcs201901252DOI1 aSOUZA, H. A. de  aCritical levels and sufficiency ranges for leaf nutrient diagnosis by two methods in soybean grown in the Northeast of Brazil.h[electronic resource]  c2020  aEstablishing 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.  aNutritional status  aPlant nutrition  aEstado Nutricional  aGlycine Max  aNutrição Vegetal1 aVIEIRA, P. F. de M. J.1 aROZANE, D. E.1 aSAGRILO, E.1 aLEITE, L. F. C.1 aFERREIRA, A. C. M.  tRevista Brasileira de Ciência do Sologv. 44, e0190125, 2020.