Management of pasture in early spring
The overall low temperature in early spring is extremely detrimental to the growth of pasture after winter. In order to promote early germination of pasture after winter and early return to green, we should carefully grasp the following tasks:
I. Timely plowing. The overwintering forage grasses grow slowly at the seedling stage and they are not competitive with the weeds. The larvae must be ploughed in time after thawing to loosen the soil, increase the air permeability, increase the ability of the surface to absorb heat, and facilitate the early germination of pastures; , Generally not less than 3-4 times. However, for fast-growing pastures such as winter grazing - 70 rye and multi-flower ryegrass, etc. do not need to scratch more than one, only scratching before and after germination twelve or two times, post-grass can quickly seal the oysters no longer smashing.
Second, timely fertilizer and watering. After wintering, the pasture, if sufficient water and fertilizer can significantly increase the tillering, promote the robust growth of seedlings and root development, enhance the ability of cold resistance, drought resistance. Topdressing generally use quick-acting nitrogen fertilizers, such as applying 6-8 kg of urea per acre. According to the conditions and conditions to be poured in time to return to Qingshui (can be combined with top dressing). Some overwintering pastures are better when they are topdressing, and if they can match up with some phosphorus and potassium fertilizers or use compound fertilizers directly, the effect will be better. However, some forage grasses are not tolerant to waterlogging, bogeysed water, low-lying land, or poorly-drained lands are liable to cause poor plant root development and poor cold resistance. For example, legumes, arrowheads, peas, and milk vetch are not resistant to water stains, and are flooded or continuously rained in flooded waters. Pay attention to drainage after draining to prevent rot.
Third, strengthen pest control. After wintering, pastures are prone to diseases and pests in the early spring, such as winter animal husbandry -70 rye, ryegrass and other flowers are vulnerable to armyworm, aphids, timely detection, pesticide spraying should be used to prevent and control, generally available killing, killing D. and other pesticides spray; the largest impact on alfalfa is sclerotinia, early spring rain, the soil is prone to occur when wet. Once it is available, lime can be applied on the ground or sprayed with carbendazim for control. Arrow peas are vulnerable to locusts in the early spring to flowering and can be sprayed with pesticides such as dimethoate or eclosion.
Fourth, timely use of castration. Usually young animals and poultry such as rabbits, geese, ostriches, and birds can be castrated during the young period of foraging. Generally, they can be chopped for feeding at 30-60 centimeters. Germination.
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