This poster was presented at the
"XXXVII CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO 2019"
"Intencificação sustentável em sistemas de produção"
From the 21st to the 26th July 2019.
The poster summarizes research on potato crops to evaluate polyhalite as a replacement for MOP fertilizer, and to evaluate the effect of calcium supply on the incidence of blackleg of potato (Pectobacterium carotovorum).
Potato cultivation is generally carried out on soils with high fertility, overcorrection and overfertilization; so low response to fertilizer use is expected. Soils usually have high amounts of chloride and sodium, and the use of less saline sources may be an alternative for higher yields and also to imrove quality.
Polyhalite is a natural fertilizer that contains 14% K2O, 12% Ca, 3.6% Mg, 19.2% S, has low salt content and is compatible for blending with other fertilizers, and is examined in this poster.
by Fabio Vale, Danilo Ramos Serio, Renato Agnelo da Silva.
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