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Título

The response of the variety Abadia to added phosphorus and the intensity and the replenishment, factors of soils from the Ebro valley

AutorEleizalde Luzárraga, María Benigna ; Álvarez, Carlos Enrique ; Díaz, A.; García, V.
Fecha de publicaciónabr-1983
EditorUniversità di Pisa
CitaciónAgrochimica 27(2-3): pp. 140-150 (1983)
ResumenThe relations between the uptake of phosphorus by a plant and fertility factors are studied. The wheat variety Abadia was grown under greenhouse at different levels of monocalcium phosphate according to the physico-chemical properties of the Brown Earths, Xerorendzines and Brown Soils, the soils in which these relations are evaluated. There is a positive response to added P, with and increase in dry matter production and phosphorus content in this variety of wheat. Both the dry matter production and the phosphorus content are related to the intensity factor, the maximum production being attained at concentration of 0.70 and 0.80 ppm in Brown Earths, a value that increases to 1 ppm in Brown Soils. The optimum content of 0.40% of P in this variety of wheat is obtained at values of from 1.2 to 1.6 ppm P in the soil solution. Given the very variable range of nutrient concentration in the soil solution for these plant characteristics, the replenishment factor is studied, an it is seen how the supply of phosphorus to the Abadia variety in these soils is controlled by this factor on reaching values of from 3.5 to 4.
URIhttp://hdl.handle.net/10261/21131
ISSN0002-1857
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