Salt-tolerant flowering shrubs: clover, Buddleja, pomegranate, hibiscus, Ligustrum lucidum, Lycium barbarum, rose, etc.
There are hibiscus trees that can be planted.
Planting method of elm
Elm is usually propagated by seeds, and the ideal sowing time is early April. Land selection and preparation should be carried out before sowing.
1. Land selection and preparation
Ulmus pumila has no special requirements for land, such as sandy loam or calcareous soil, but there must be enough soil layer for Ulmus pumila to take root. After choosing the planting site, we should prepare the soil. First, use tractors to dig deep into the land 15-20cm, so that the soil layer is loose and it is convenient for elm seedlings to take root and grow. Then apply base fertilizer. Trim granular compound fertilizer is generally used as the base fertilizer, and the dosage is about 20 kg per mu, and the fertilizer should be evenly scattered in the ground. Ridges with a row spacing of 60 cm. The control of row spacing mainly depends on plow spacing. Adjust the plow spacing to 60 cm and the row spacing to 60 cm. After the soil preparation is completed, you can sow.
sow seeds
First, a small ditch about 5 cm deep is opened on the ridge of the field, and the seeds of Ulmus pumila are evenly scattered into the ditch, and the amount of seeds used per mu is about 5 kg. After the seeds are sown in the ditch, step on the seeds with your feet along the small ditch. This is because the seeds of elm are so light that they are easily blown away by the wind without stepping on them. Sowed seeds can't be covered with soil, because elm seeds are too thin, and covering with soil will affect the emergence rate. Finally, connect the sprinkler irrigation equipment and sprinkler irrigation. Sprinkle irrigation for 4-5 hours every day for 3 days. After 4-5 days of sowing, Ulmus pumila seedlings will break through the ground until they grow to 5 cm high, which is called seedling stage. At the seedling stage, some necessary management should be carried out. Next, let's talk about seedling management of elm.
(2) Seedling management
The management of elm seedling stage is relatively simple, and the most important thing is weeding, loosening soil and watering. Let's start with weeding and loosening the soil.
1. Cut the grass and loosen the soil
Weeding and loosening soil is an important link in seedling management. Because weeds will compete with seedlings for nutrients and affect the growth of seedlings. At present, manual weeding is the main method, and there is no specific time and frequency limit. When you see grass in the field, you should remove it with a small hoe. If the seedlings are mixed with grass, you should pull them out by hand to avoid hurting the seedlings. Moreover, in the process of weeding, it also loosens the soil for the seedlings, allowing the roots of the seedlings to breathe air and promote growth. However, because the elm seedlings are still very fragile at this time, we must pay attention to the depth when weeding and loosening the soil, so as to loosen the surface of the soil and not hurt the heel.