After planting vegetables, retting roots and dead trees? Are you in place for pre-planting management?

After planting vegetables, many growers will encounter problems such as seedling retting, wilting, rotting roots and so on, which brings a lot of trouble to management. This happens most of the time because the details of pre-planting management are ignored. Pre-planting management is the premise of successful planting and good growth of vegetables, which must be paid attention to. So what work needs to be done before planting?

1. Strictly disinfect to avoid soil-borne diseases:

Disinfection of greenhouse and soil before planting can effectively reduce the occurrence of all kinds of soil-borne diseases in the later stage.

The sulfur fumigation method can be used to disinfect the shed, the specific operation method is to use 3 kg per mu or 4 grams of sulfur per cubic meter, 8 grams of sawdust, ignite the airtight shed for 24 hours, and then ventilate and exhaust smoke.

You can also use 30% Sukeling smoke agent 300-500 grams per mu or 45% chlorothalonil smoke remover 200-250 grams per mu, seal the greenhouse for 3-4 hours after lighting, and then release air and exhaust smoke, both of the above two methods can kill the germs in the greenhouse.

2. select base fertilizer scientifically and increase the application of organic fertilizer and bacterial fertilizer.

Before planting, the base fertilizer should be selected reasonably, the effect of using chemical fertilizer as base fertilizer is not ideal, and it is necessary to increase the application of organic fertilizer and bacterial fertilizer.

People's long-term excessive application of chemical fertilizer, coupled with continuous tillage without deep turning over the soil, make a large amount of salt accumulation in the soil surface tillage layer, hindering root growth and nutrient absorption, so we should appropriately reduce chemical fertilizer and increase the amount of organic fertilizer and biological bacterial fertilizer.

Organic fertilizer can improve the soil and increase soil nutrients. When applying farm organic fertilizer, it must be completely mature. Unrotten farm manure contains a lot of bacteria, insect eggs, and it is easy to burn seedlings.

Biological fertilizer contains a large number of living beneficial bacteria, which can inhibit or kill the pathogenic microorganisms in the soil through their own reproductive activities, and reduce the occurrence of soil-borne diseases from the root. It can also significantly improve the soil structure, release nutrients for crop absorption, promote rooting, help to form strong trees, and improve quality and yield.

3. Soil preparation and ridging to facilitate later management

Soil preparation and ridging can improve the structure and surface state of soil plough layer, coordinate the factors of water, nutrient, air and heat, improve soil fertility, and create a farming environment that is more conducive to crop growth and field management in the later stage.

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