At present, with the improvement of people's living standards, especially in the case of ecological damage and environmental pollution, safe, healthy and healthy food will become the mainstream of people's consumption.
Misunderstanding 1: Fertilizer becomes synonymous with pollution.
Years of production practice believe that the use of fertilizer is necessary. Fertilizers account for more than 40% of agricultural production. If the world stops using fertilizers, the world's food will be reduced by 15-65%. In fact, the raw materials for producing inorganic nitrogen fertilizer and potassium fertilizer are relatively simple and have few impurities; and nitrogen fertilizer and potassium fertilizer are relatively pure compound crystals, generally do not contain heavy metals, and the possibility of pollution is not high. However, the raw material phosphate rock of phosphate fertilizer is more complicated, and it contains more heavy metal components, and the acidification process in the manufacturing process greatly increases the activity of heavy metals, especially the high cadmium content, which must be paid attention to.
Myth 2: In the production of organic, green and pollution-free foods, the use of chemical fertilizers and pesticides is prohibited.
The production of green, pollution-free foods can be applied to low-residue pesticides, fertilizers and other chemicals, provided that they do not have adverse consequences on the environment and crop quality, and the residues and accumulation of harmful substances in crop products need to be controlled within the limits that affect human health.
Myth #3: Organic fertilizer is a natural fertilizer that is non-polluting.
Organic fertilizers have more problems than inorganic fertilizers and are more serious. Organic fertilizers, especially livestock manure, garbage compost and sludge composting, are complex. In addition to pathogenic microorganisms, they may also contain petroleum pollutants, pesticides, hormones, salt, heavy metals and so on. Organic fertilizer products have high levels of heavy metals. Long-term use of organic fertilizers may cause heavy metal pollution in the soil and enter the food chain to threaten the health of humans and animals. Organic poisons in the soil are mainly brought in by pesticides and residual organic fertilizers. Organic fertilizers must be fermented and decomposed, otherwise the damage is even greater.
Misunderstanding 4: Prohibition of the use of chemical fertilizers and pesticides is ecological agriculture and organic agriculture.
The main sources of soil pollution come from irrigation water, solid waste, atmospheric deposition, and improper inputs of pesticides and fertilizers. Long-term use of untreated sewage, domestic garbage, livestock manure, and phosphate rock containing heavy metal cadmium and lead, improper application of fertilizer or excessive application will cause accumulation of harmful substances in the soil and nutrient imbalance, and crops Directly causing harm. It is not enough to rely on the prohibition of chemical fertilizers and pesticides in ecological agriculture and organic agricultural production. It is necessary to improve the three major aspects of fertilizer, irrigation water and air quality.
Misunderstanding 1: Fertilizer becomes synonymous with pollution.
Years of production practice believe that the use of fertilizer is necessary. Fertilizers account for more than 40% of agricultural production. If the world stops using fertilizers, the world's food will be reduced by 15-65%. In fact, the raw materials for producing inorganic nitrogen fertilizer and potassium fertilizer are relatively simple and have few impurities; and nitrogen fertilizer and potassium fertilizer are relatively pure compound crystals, generally do not contain heavy metals, and the possibility of pollution is not high. However, the raw material phosphate rock of phosphate fertilizer is more complicated, and it contains more heavy metal components, and the acidification process in the manufacturing process greatly increases the activity of heavy metals, especially the high cadmium content, which must be paid attention to.
Myth 2: In the production of organic, green and pollution-free foods, the use of chemical fertilizers and pesticides is prohibited.
The production of green, pollution-free foods can be applied to low-residue pesticides, fertilizers and other chemicals, provided that they do not have adverse consequences on the environment and crop quality, and the residues and accumulation of harmful substances in crop products need to be controlled within the limits that affect human health.
Myth #3: Organic fertilizer is a natural fertilizer that is non-polluting.
Organic fertilizers have more problems than inorganic fertilizers and are more serious. Organic fertilizers, especially livestock manure, garbage compost and sludge composting, are complex. In addition to pathogenic microorganisms, they may also contain petroleum pollutants, pesticides, hormones, salt, heavy metals and so on. Organic fertilizer products have high levels of heavy metals. Long-term use of organic fertilizers may cause heavy metal pollution in the soil and enter the food chain to threaten the health of humans and animals. Organic poisons in the soil are mainly brought in by pesticides and residual organic fertilizers. Organic fertilizers must be fermented and decomposed, otherwise the damage is even greater.
Misunderstanding 4: Prohibition of the use of chemical fertilizers and pesticides is ecological agriculture and organic agriculture.
The main sources of soil pollution come from irrigation water, solid waste, atmospheric deposition, and improper inputs of pesticides and fertilizers. Long-term use of untreated sewage, domestic garbage, livestock manure, and phosphate rock containing heavy metal cadmium and lead, improper application of fertilizer or excessive application will cause accumulation of harmful substances in the soil and nutrient imbalance, and crops Directly causing harm. It is not enough to rely on the prohibition of chemical fertilizers and pesticides in ecological agriculture and organic agricultural production. It is necessary to improve the three major aspects of fertilizer, irrigation water and air quality.
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