How to choose vetch seeds? What are the methods of raising seedlings?

Vetch is an annual or perennial trailing herb of the genus Leguminosae. It is an important green manure and forage crop with wide adaptability. In Jiangsu Province, it mainly refers to soft-haired wild pea and widely distributed wild pea. As a green manure, vetch planting is conducive to the improvement of soil structure, reduce the pollution of fruit trees and increase the green quality of fruit trees or crops. So how to choose vetch seeds? What are the methods of raising seedlings? Next, let's have a look with the editor.

First, how to select vetch seeds?

The hardness of vetch seeds is higher, it is oval, especially the newly collected vetch seeds, the hardness rate is higher, so hard seed treatment should be carried out before sowing. Therefore, when planting vetch, do not select the newly collected vetch seeds, but select the vetch seeds that have been treated.

Second, what are the seedling methods of vetch?

1. Sowing time

Vetch is sown from the end of July to the middle and late August. It is mainly sown in autumn, and it can also be sown in spring in North China and Northwest China.

2. Sowing and raising seedlings

The life of vetch can be divided into several stages, such as seedling, branching, budding, flowering, podding, maturity and so on. The suitable germination temperature is about 20 ℃. When there are 4-5 compound leaves after emergence, the stem will produce branches, and each branch will produce several branches. Root nodules were formed in the root of vetch 10-15 days after emergence. The peak period of branching is usually from turning green to budding. The vetch sown in autumn turns green when the temperature is 2 ℃ ~ 3 ℃ in early spring and budding when the temperature is about 15 ℃. The budding period is generally from mid-April to early May. The suitable temperature for flowering is 15 ℃ ~ 20 ℃, and the flowering sequence is from bottom to top. The podding rate of vetch is not high, and the number of pods generally accounts for only about 5%-15% of the number of flowers.

3. Field management

Generally apply calcium superphosphate, plant ash 15-20 kg each mixed together, as a base fertilizer application. If the growth is not good in the seedling stage, you can apply 4-5 kg of urea plus 4-5 piculs of pig manure water. According to the characteristics that the vetch likes to be wet and afraid of irrigation, we should pay attention to wet ditch drainage and irrigation, timely harvest or turn over pressure.

The above is the introduction of vetch, authentic vetch, flowering and fruiting period for May, the whole grass is an excellent green manure feed, but also medicinal, or the main nectar plant. Vetch only needs a small amount of seeds and fertilizer, planted and applied on the spot, the yield of fresh grass is extremely high, easy to cultivate, farmland wasteland can be planted, green manure quality is high, fertilizer efficiency is good.

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