1, 苜蓿
It is generally believed that the flowering period of the bud is the most suitable for the cutting period, and the crude protein and vitamin content are the highest at this time.苜蓿 The last castration should be carried out during the flowering period or one and a half months before the frost. In addition, under the conditions of Daejeon production, if the appropriate cutting period is reached, but it cannot be harvested and used at the same time, it can be castrated in advance.
2, Sha Dawang
Sha Daowang is a low-toxic Astragalus plant. The toxin contained in it is an organic nitro compound with bitter taste. Camels like food. Other livestock have poor palatability. Livestock generally do not eat sand and fresh grass, but fresh grass livestock after frosting can be eaten. The appropriate cutting period of Sha Dawang should be no later than the bud period, and it can be castrated twice a year. In some areas in the north, Sha Dawang cannot be flowered all year round, and its cutting period should be after the grass has returned to green; about 112 days; the arid and low temperature area is the best in September.
3, grass raft
Coumarin contains coumarin, which affects its palatability, while the content of coumarin is less in the buds. In the bud stage, the protein, fat and ash content of the whole plant is the highest, and the crude fiber is less. As the plant grows, the proportion of leaves decreases, and the nutritional value also drops significantly. Therefore, it should be castrated before the present bud to the current mine.
4. Suitable cutting period for annual legume forage
1 Suitable cutting period for spring arrow bowl beans (ordinary wild peas): Spring arrow peas have soft stems and leaves, and the utilization period is long. The harvesting period often varies depending on the purpose of use. If the hay is prepared, it is best to bloom until the early stage of pod formation; if the grass seeds are collected, it can be used in summer sowing, and once in autumn, when the seeds are mature, the stems and leaves are green, and the better quality green hay can be obtained; When feeding and mixing with oat or sudan grass, you can first broadcast spring arrow peas, then plant oats or sudangrass, and castrate before flowering or heading. When used as a green manure, it can be turned over or castrated at the beginning of flowering, and should be turned into the soil 20 to 30 days before the post-sowing to make it fully rot.
2 When the suitable cutting period of the scorpion (Winter arrow pea) is silage, it can be castrated in stages before the pod is formed, but the initial flowering period is the best; when used as the green feed for pigs, the castration before flowering When used as a green feed for cattle and horses, it is castrated during flowering to fruiting, and castrated during the full bloom period when preparing hay.
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