Gypsum in Improving the Use of Phosphate Fertilization for Soybean Crops

Brignoli, Fernando Marcos; Gatiboni, Luciano Colpo; Mumbach, Gilmar Luiz; Dall’Orsoletta, Daniel João; Souza, Abelino Anacleto de; Grando, Douglas Luiz

doi:10.1080/00103624.2022.2159039

Cited by 1 publication

(2 citation statements)

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“…The limestone increased the Ca +2 and Mg +2 concentrations, raised the pH and reduced the Al concentration, with no difference for the available P and K concentrations in the soil (Table 2), as the acidity corrective provides Ca +2 and Mg +2 , releasing OH -, therefore neutralizing Al +3 and H + , and it does not have available P or K + in its composition for availability in the soil (Eckert et al, 2022). The doses of agricultural gypsum did not change the levels of K + , pH and Al +3 in the soil, raising only the concentration of available P, as gypsum does not act as an acidity corrector, but provides Ca +2 and may present low available P concentrations (0.6-0.75%) as it is a residue from the phosphate fertilizer industry (Brignoli et al, 2022). The interaction was significant between gypsum doses and limestone application for P, Ca +2, and Mg +2 concentrations (Table 2).…”

Section: Resultsmentioning

confidence: 93%

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Gypsum recommendations for a typical Dystrophic Red Argisol cropped with Phaseolus vulgaris

Silva,

Nolla,

Bordin

et al. 2024

Rev. Ceres

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Paraná leads the Brazilian production of beans so that the cultivation system can restrain the root development of the plants. Limestone and agricultural gypsum can be alternatives to stimulate the development of roots, and it is necessary to establish criteria for their use. The objective of this work was to evaluate the development of bean plants subjected to liming and gypsum doses in a typical Dystrophic Red Argisol. The experiment was carried out in Umuarama, state of Paraná in PVC tubes (80 x 15 cm), growing Phaseolus vulgaris cultivar Pérola for 90 days. Treatments consisted of gypsum doses (0, 420, 670, 950, 1140, 1430, 3000, and 5320 kg ha -1 ) combined or not with lime application, in a factorial design (8 x 2) with four replications. At the end of the cycle, the aerial part of the plants and soil samples were collected for analysis. Gypsum doses benefited bean development, especially when associated with liming, which raised pH, Ca +2 , and Mg +2 and reduced Al +3 in the soil. The doses of maximum technical efficiency of gypsum were 3291 and 2991 kg ha -1 for the treatments with and without liming, respectively, also increasing the Ca +2 and available P concentration in the soil.

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Section: Resultsmentioning

confidence: 93%

“…This may occur because agricultural gypsum is rich in Ca +2 , in addition to being a by-product of the fertilizer industry that has igneous phosphate rocks as raw material and may have varying concentrations of P 2 O 5 in its composition (Brignoli et al, 2022).…”

Section: Resultsmentioning

confidence: 99%