spring and autumn sowing

Description

spring and autumn sowing
planting: spring and autumn sowing can be. Good moisture  plastic flower pot in the spring, sandstorms can harm small area spring. Relatively dry spring in the autumn sowing areas. Autumn sowing weeds less, the general time for autumn sowing in late August to early September. Seeding methods are drill and sow. Drilling spacing 30-40 cm, 2-3 cm deep sowing, seeding rate per acre of 0.8 kg.
3, field management: alfalfa seedling growth is slow, vulnerable to weed violations, timely weeding, mowing in early spring turn green before or after Row crop cultivators hxt1yof, is conducive to moisture and improve soil aeration, and promote the growth of alfalfa. In the dry season, early spring and after each mowing watering, to improve alfalfa forage yield very significant results. The main cut worm damage alfalfa aphids, thrips, leaf jumping cicadas, bugs like, are used fenitrothion, dimethoate, grease and other cyanide-Ju E spraying. Sometimes occur during the growth of rust, brown classes, downy mildew, etc., can be used carbendazim, thiophanate and other chemical control.