What are the planting techniques of green onions in Shandong?

Green onions, also known as green onions, vegetables, is one of the ingredients commonly used in cooking. At present, there are many plants in the north, and Shandong is the most. The following is to introduce the planting technology of green onions in Shandong Province.

What are the planting techniques of green onions in Shandong?

1. Selection of land and seed

Select the land with good drainage, air permeability and high terrain, and then plough it deeply and apply base fertilizer. The fertilization period should be determined by stubble, which generally requires the application of compound fertilizer 40kg in the base fertilizer. Varieties should be selected according to the plots, such as Rain Water large, continuous cropping plots, to choose varieties that are tolerant to Rain Water and repeated cropping.

two。 Planting time

Green onions can be sown in spring, autumn and winter. Such as raising seedlings from March to April, planting from May to June, harvesting from October to December, raising seedlings from March to May, planting from June to July, harvesting from December to January of the following year, raising seedlings from September to October, planting from November to December, and harvesting from May to July of the following year.

3. Sowing seeds

Sow the selected seeds in trenches on the ridges, seal a layer of soil after the seeds are sown, and fill the soil on both sides of the green onions regularly after emergence.

4. Fertilizer application

Green onion fertilizer demand is still quite large, generally in the case of adequate application of base fertilizer, in its growth process, but also apply fertilizer three times, no fertilization or according to the growth situation to decide.

5. Watering and ploughing

As there are more Rain Water in summer, we still have to do a good job of drainage first. There should be no stagnant water in the field, and intermediate ploughing and weeding should be carried out after rain, because usually the soil will agglomerate after heavy rain, in order to make green onions grow better. So we should carry out intermediate ploughing after the rain. Green onions do not have high requirements for moisture. Generally all you have to do is to keep the soil moist, so there is little need for watering, but it depends on the weather.

6. Pest control

Green onion diseases are mainly purple spot, downy mildew, virus diseases, and insect pests are mainly leaf miner, spring onion thrips, beet armyworm and so on. Growers must take precautions in advance.

In fact, the planting technology of green onions in Shandong is similar to that in other places, but it is different due to different factors such as climate, soil, topography and so on.