efectos positivos y negativos que provocan las practicas de manejo y conservacion de suelos
Respuestas a la pregunta
Respuesta:
Positive environmental effects of irrigated agriculture
Rational use of irrigation water and minimization of water pollution.
Contribution of oxygen to the atmosphere by the photosynthesis of the vegetal cover.
Positive effect on the ozone layer due to the fact that irrigated crops are real sinks of atmospheric CO2.
Increased landscape value.
Herbaceous agriculture is a producer of raw materials for the manufacture of biofuels.
It favors the diversity of fauna and flora.
Higher productivity, in irrigated areas is much higher than non-irrigated areas.
Influence on services and associated agri-food industries leading to benefits in the economy induced by irrigation. Generate employment.
Reduction of erosion and desertification by maintaining the vegetal layer in efficient irrigation.
The fixation of the population in rural territories, avoids the abandonment of land and depopulation.
It favors the development of hunting activities and tourism.
In contrast to all these effects and despite the fact that the degree of environmental deterioration of irrigated agricultural activity is low compared to other actions such as industry or infrastructure such as roads or railways, the negative aspects must also be highlighted.
Negative environmental effects of irrigated agriculture
Infrastructure works for irrigation, storage and distribution of water.
The transmission of the medium, a large-scale transformation
The massive and irrational use of water is a significant damage as it is a very scarce resource in many areas.
It is the activity that consumes the most water, accounting for around 80% of the total.
Original waste and polluting waste
Requires the use of natural resources soil, chemical compounds, water, fuel
The level of affectation of the environment found the irrigation method that is installed (by surface, sprinkler or localized) and the magnitude of the transformation