Efecto de diferentes fuentes de abono orgánico y momentos de fertilización en el desarrollo de posturas de cafetos producidas en tubetes de 180 cm3
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Abstract
The experiment was carried out in the Estación Experimental Agro-Forestal Tercer Frente nursery, during February 2017 to July of the 2017 period, with the objective of determining the effect of different sources of organic manure and moments of chemical fertilization in the development of coffees postures of the Coffea arabica L. species produced in plugs of 180 cm3 of capacity bulk. In a design totally randomized with factorial arrangement 4x3, four sources of organic manure were studied –Pulp of coffee (PC), Filter cake (CZ), Bovine manure (EV) and Worm humus (HL)– and three moments of application of fertilizer 7-14-7. Twelve substratum with 54 plants each one were conformed. The variables were evaluated: height (cm), diameter of the shaft (cm), number of even of leaves, leaf area (cm2) and dry mass (g). The results of the investigation show that with the compound substratum for soil:worm humus in the proportion 1:1 followed by the liquefied fertilizer application (5 cm3 for plugs) 7-14-7 of the 2do. to the 6to. couple of leaves the best development in the postures is obtained according to the analyzed variables. It can also conclude that when worm humus is used in the substratum, independently of the moment of the studied chemical fertilization, postures be produced with good vegetative development.
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