R. Caballero, M. Vento, P. Chaveli, I. Corrales, P. López,
D. Rodríguez y L. Fase
Issue:
107-4 (281-289)
Topic:
Plant Production
Keywords:
Compost of manure, yield, vegetables.
Summary:
Soils of the orchards are subjected to an intensive exploitation, for that reason is important to make a
good handling in their organic fertilization with the objective of achieving bigger precision when to carry
out this fertilization and to obtain sustained increments of the yields in turn, without they deteriorate
the same ones; for it, a study in two intensive orchards was carried out, where the critical external levels
of phosphorus, potassium and organic matter contents were determined; the combined effects of dose
of compost of bovine manure (0, 5, 10 and 15 kg/m2) applied in three moments (beginning, each two
cultivations and in each cultivation) in a vegetable sequence were also evaluated, during three years; by
means of a random block design with factorial arrangement and three repetitions. Soil samplings, at beginning
and at the end of each cultivation cycle were maken to determine pH (H2O), phosphorus, potassium
and of organic matter percent. Of the analysis results, the following critical limits were obtained:
phosphorus (16 mg/100 g), potassium (20 mg/100 g) and organic matter (11 %); when these values are
for under, 10 kg/m2 of compost of bovine manure should be applied each two cultivations, to achieve
yields above 30 kg/m2 of vegetables for cycle; if the values were superior to them, it is not applied.
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