How to fertilize organic vegetable production
First, the principle of fertilization. That is to say, on the basis of fertilizing the soil, the crop nutrients are supplied by the action of soil microorganisms, and it is required to use organic fertilizers mainly, supplemented with biological fertilizers, and appropriately plant green manure crops to fertilize the soil.
Second, the optional fertilizer types
1. Farmyard manure, such as compost, manure, biogas fertilizer, green manure, crop straw, mud fertilizer, cake fertilizer, etc.
2. Biological bacterial fertilizer, including humic acid fertilizer, rhizobial fertilizer, phosphorus bacterial fertilizer, and compound microbial fertilizer.
3, green manure crops, such as grass carp, Chinese milk vetch, Tian Jing, ramie, alfalfa and so on.
4, organic compound fertilizer, such as Yililai active (biological) organic fertilizer, Fengyi brand organic compound fertilizer, Badaling brand bio-organic fertilizer, green sun liquid fertilizer, Yi'an Shenli and so on.
5. Wastes from other organic production, such as bone meal, amino acid residues, livestock processing waste, and sugar factory waste.
Third, should pay attention to the problem
1. Manure and manure should be fully fermented and decomposed, preferably by biological bacteria, and rinsed with water after top dressing. In addition, human feces and urine contain high levels of nitrogen, and should not be applied too much on crops such as potatoes, melons and beets.
2. Straw-based fertilizers are prone to cause soil hypoxia in the process of mineralization and produce plant toxins, which are required to be turned into soil before crops are planted or transplanted.
3, organic compound fertilizer is generally a long-acting fertilizer, when applied, it is best to apply farmyard manure to improve fertilizer efficiency.
Fourth, the application method
Base Fertilizer: Combine 3000-5000 kg of composted compost or bio-composted per mu, and use organic compound fertilizer as seed fertilizer if conditions are available. For example, Yililai active (biological) organic fertilizer 100 kg, Fengyi brand organic compound fertilizer 60 -70 kg. The method is to apply the ditch strip or the hole under the seed or the seedling before transplanting or sowing. The fertilization depth is preferably 5-10 cm, pay attention to the middle interval soil.
Top dressing: topdressing is divided into soil fertilization and foliar fertilization. Soil topdressing is mainly carried out in combination with watering and soil cultivation in the vigorous growth period of vegetables, mainly using human excrement and bio-Puli fertilizer. Foliar fertilization can select bio-organic foliar fertilizer in the seedling stage and growing season, such as the 500-fold liquid solution and the 500-fold liquid solution of Yi'an Shenli, spray once every 7-10 days, and spray 2-3 times. Green manure is generally rolled over during flowering, with a depth of 10-20 cm, and a pressure of 1000-1500 kg per acre. The turning time can be determined according to the decomposition speed of green manure.
In addition, according to the characteristics of fertilizers and different soil properties, different vegetable types and different growth and development periods, scientific application can effectively fertilize the soil and improve crop yield and quality.
Second, the optional fertilizer types
1. Farmyard manure, such as compost, manure, biogas fertilizer, green manure, crop straw, mud fertilizer, cake fertilizer, etc.
2. Biological bacterial fertilizer, including humic acid fertilizer, rhizobial fertilizer, phosphorus bacterial fertilizer, and compound microbial fertilizer.
3, green manure crops, such as grass carp, Chinese milk vetch, Tian Jing, ramie, alfalfa and so on.
4, organic compound fertilizer, such as Yililai active (biological) organic fertilizer, Fengyi brand organic compound fertilizer, Badaling brand bio-organic fertilizer, green sun liquid fertilizer, Yi'an Shenli and so on.
5. Wastes from other organic production, such as bone meal, amino acid residues, livestock processing waste, and sugar factory waste.
Third, should pay attention to the problem
1. Manure and manure should be fully fermented and decomposed, preferably by biological bacteria, and rinsed with water after top dressing. In addition, human feces and urine contain high levels of nitrogen, and should not be applied too much on crops such as potatoes, melons and beets.
2. Straw-based fertilizers are prone to cause soil hypoxia in the process of mineralization and produce plant toxins, which are required to be turned into soil before crops are planted or transplanted.
3, organic compound fertilizer is generally a long-acting fertilizer, when applied, it is best to apply farmyard manure to improve fertilizer efficiency.
Fourth, the application method
Base Fertilizer: Combine 3000-5000 kg of composted compost or bio-composted per mu, and use organic compound fertilizer as seed fertilizer if conditions are available. For example, Yililai active (biological) organic fertilizer 100 kg, Fengyi brand organic compound fertilizer 60 -70 kg. The method is to apply the ditch strip or the hole under the seed or the seedling before transplanting or sowing. The fertilization depth is preferably 5-10 cm, pay attention to the middle interval soil.
Top dressing: topdressing is divided into soil fertilization and foliar fertilization. Soil topdressing is mainly carried out in combination with watering and soil cultivation in the vigorous growth period of vegetables, mainly using human excrement and bio-Puli fertilizer. Foliar fertilization can select bio-organic foliar fertilizer in the seedling stage and growing season, such as the 500-fold liquid solution and the 500-fold liquid solution of Yi'an Shenli, spray once every 7-10 days, and spray 2-3 times. Green manure is generally rolled over during flowering, with a depth of 10-20 cm, and a pressure of 1000-1500 kg per acre. The turning time can be determined according to the decomposition speed of green manure.
In addition, according to the characteristics of fertilizers and different soil properties, different vegetable types and different growth and development periods, scientific application can effectively fertilize the soil and improve crop yield and quality.
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