2, selecting the land preparation, choose the soil loose air permeability, high terrain, drainage, deep soil, rich in organic matter sandy loam planting asparagus, planting asparagus before the land can not be planted radish and greens, planting before the soil layer of 25 cm or so, plowed into a ridge, dug out the depth of 30 cm, width of 40 cm of the planting of the furrow, ditch per acre of 3,000 kg of organic fertilizer or farmyard fertilizer as a bottom fertilizer.
3, seed planting, asparagus after sowing until the seedlings have grown 30 cm high, they can be planted on top of the seedbed, and then dug a 7.5 cm hole, more conducive to their development.
4, planting, asparagus planting, plant spacing control in 30-40cm, with a hoe digging planting ditch, 30cm deep, 30-40cm wide, ditch mu Shi appropriate amount of organic fertilizer, and then sprinkled into the 10cm thick topsoil, the ditch center of the slightly high, the grading of bamboo shoots into the ditch, the weak small seedlings per hole 2, big strong seedlings per hole 1 plant.
5, water and fertilizer management, after planting will begin to clean up weeds, especially in summer, weeds are born especially fast, easy and asparagus compete for nutrients, and then in the morning and evening of picking, will be 2cm away from the soil will be all the young stems all picked, short-term storage can be sprayed with water on top of the asparagus. Asparagus seedlings planted a month to start fertilizer, organic fertilizer liquid, manure, to dilute cake fertilizer water-based, after the fall can gradually increase the concentration of fertilizer, planting 4 years after the annual autumn and winter also chased three elements content balanced three yuan compound fertilizer, watering summer 10 days once, spring harvest time to ensure that the soil is moist.
6, pest control, planting asparagus will appear in the process of disease has brown spot disease, rust, root rot and so on, so pay attention to control. In addition, the main pests of asparagus are beetles, which mainly gnaw on the young stems of ferns, leading to a reduction in asparagus production, so they should also be controlled.
7, timely harvesting, asparagus planting maturity should pay attention to timely harvesting, generally in the second year can start a small amount of harvesting, each harvest must be all the young stems, regardless of the size of the whole harvest. Harvesting time in the morning or evening every day, when the young stem is 15-20 centimeters high, cut can be.