A Detailed Guide to Smooth Brome Seed Selection and Seedling Cultivation Methods

Smooth brome (Bromus inermis) is a superior forage grass widely planted in Europe, North America and some countries in Asia, with high nutritional value and high yield. It is the main grass species for establishing artificial pastures and for environmental sand fixation, and in China it is an important grass species in Xinjiang and various parts of the north. So how are smooth brome seeds selected? What are the seedling cultivation methods? Let's find out together.

How are smooth brome seeds selected?

The varieties of smooth brome seeds are very rich. After years of breeding and improvement, quite a few new varieties have been developed, such as Xinqu No. 1 and others. Among them, the original breeding materials mainly come from Europe, followed by Asia (China), but North America has developed many smooth brome varieties and has a large planting area. Its varieties can also be roughly divided into two major types, the southern type and the northern type. When selecting seeds, simply choose the variety suitable for local cultivation according to actual production needs.

What are the seedling cultivation methods?

1. Site selection and land preparation

Smooth brome is not strict about site selection. Degraded grassland, retired farmland pasture, hillside grassland, roadside vacant land, forest grassland and others can all be planted. Planting is more suitable on plots with ample fertilizer and water, such as around houses and near pens and sheds. Before sowing, the land should also be deep-plowed to make the surface level and the soil clods fine. It is best to apply base fertilizer, and where irrigation conditions exist, water should also be applied before sowing to ensure soil moisture.

2. Sowing and seedling cultivation

The methods are drilling and broadcasting. Generally, drilling is mainly used in the field, with a row spacing of 10-15cm. The seeder can be a special forage grass seeder or a general wheat seeder. Single-variety sowing is also possible, but the sowing rate must be adjusted accurately, and the sowing depth depends on the soil conditions, generally about 2cm is appropriate. The sowing rate depends on the soil conditions, and 1.5-2.0kg per mu is suitable.

3. Seedling stage management

Growth at the seedling stage is relatively slow, so weeding and loosening the soil should be done in the first year. To promote growth, nitrogen fertilizer should be applied at the tillering stage along with one irrigation. After that, each time it is mowed, fertilizer and irrigation should be applied as appropriate to enhance regrowth capacity. After smooth brome has grown for 3 years, because the rhizomes interlace with each other and form a sod, soil moisture becomes insufficient and aeration is poor, so it must be renewed and rejuvenated in time. Before spring sprouting or after the first harvest, use a deep loosening plow or disc harrow to cut the rhizomes and break up the sod so as to promote vigorous growth.

4. Timely harvesting

The stems and leaves of smooth brome are relatively soft. When used for hay, it should be harvested at the flowering stage. Generally, harvesting once is suitable, and thereafter it is harvested 2 times each year. For autumn harvesting, leave a stubble height of 5-10cm to help it overwinter.

The above is an introduction to seed selection and seedling cultivation techniques for smooth brome. We hope it is helpful to everyone.

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