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Cultivos Tropicales
versão impressa ISSN 0258-5936
Resumo
CALDERON PUIG, Alfredo A; MARRERO CRUZ, Yosnel J; MARTIN CARDENAS, José V e MAYO, Isoel. The fertility of soils and their importance in the bioproductos employment in the country of Sancti Spíritus. cultrop [online]. 2013, vol.34, n.2, pp. 16-23. ISSN 0258-5936.
The work was carried out in the farm «Batey Colorado» of the Several Crops Enterprise «Valle Caonao» in Meneses, municipality of Yaguajay, on Lixiviated Red Ferralitic soil. Were carried out soils samplings to determine the following chemical properties: the soil reaction, organic matter content, phosphorus and exchangeable cations. For the two electric machines of central pivot (EMCP) the soil reaction is manifested as acid and lightly acid, organic matter content overcome in both cases 3 % considered as means, the phosphorus like very high for the soils of both MEPC. Exchangeable cations: the potassium is reported as high in both cases, the calcium and magnesium as very low, and for the sodium, the values are low those that are appropriate for this of soil type. The knowledge of the contained of nutritious of the soil and the employment of biological products, facilitate to carry out an appropriate handling of the fertilization, improving the nutrition of the plants that are cultivated and getting a reduction of the doses of the used fertilizers.
Palavras-chave : soil; nutritious; fertility; sampling.