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Home | Latest Cigar News | FERTILIZATION ACCORDING TO THE NUTRITIONAL DEMANDS OF DARK TOBACCO
FERTILIZATION ACCORDING TO THE NUTRITIONAL DEMANDS OF DARK TOBACCO
In the majority of the agricultural cultivations is admitted that the most appropriate soils be characterized by their high fertility, however, this is not valid when talking on tobacco, because it requires a strict control of the nutritional régime with the objective of producing the leaves with the required qualities for industrial use. The nutritional demands of tobacco depend on multiple factors, being some of them the following:
Prospective yield
Quality
Type of tobacco to be produced
Physical, chemical and biological characteristics of the soil
Climatic Conditions and environment
Use of watering
Quality and types of fertilizers
Time or period of sowing
Quality of the works of cultural attentions
Execution of the orientations of the Management of Soils and Fertilizers.
During the cultivation independently of the type of tobacco three moments for the application of fertilizers exist, the first one during the sowing, the second one when covering the furrow and the third one when hilling around the plant, in Pinar del Rio the fertilizer containing nitrogen is not applied in the first moment, the biggest quantity of fertilizer coincides with the last application, moment in which the plant is in the beginnings of the great period of growth.
The doses of fertilizers to apply depend on many factors as it was stated before. For the different types of tobacco can be offered the following tentative figures (expressed in kg / hectare):
Type of tobacco--------Nitrogen------Phosphorus-----Potassium-------Magnesium
Shade grown ----------130-150 ----- -30-45 --------- 150-170 -------- 20-25
Sun grown (strung) ---110-125------- 35-50 --------- 140-160 -------- 15-30
En Palo --------------- 100-120 ----- -30-50 --------- 130-150 -------- 15-30
In the last years mainly in tobacco for wrappers the located watering has been introduced with very good results and inside this variant the fertiriego. It has facilitated to elevate efficiency in the use of fertilizers and also yields and quality of tobacco with a minimum of aggression to the environment, nevertheless it is necessary to value the consequences of this type of watering which can favor the salinity of the soil.
Although very well-known the following basic principle of the fertilization of tobacco it is also very interesting and important: “the fertilizer can not contain chlorine", nor in small quantities, this compound affects considerably any type of tobacco, except the one that is used to chew, because this element causes the reduction of the combustibility of the leaf drastically.
The fertilization of tobacco should facilitate the satisfaction of the nutritional demands of the plant without affecting considerably the environment, facilitating the production of the aromatic leaf in a sustained way.
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