基本释义
相关例句
direct seeding
3.Direct seeding reduces the cost of production and lends itself to mechanization.
4.The emergence of seedlings was approximately 8 days earlier and a LAI of 3.0 covering the spacing between rows was altained approximately 11 days earlier and kept 25 days longer than that of direct seeding. The extreme value of LAI was 4.9 and 0.8 higher than direct seeding.
5.The paper discusses the design of the main fuctions of the towed direct seeding machine(preamatic spraying seeding machine),which spraies bush seeds,grass seeds and small and roundish poison baits by use of the high speed air flow.
6.Herbicide, chlorimuron-ethyl, was applied in the field in 2001, both of the growth vigour and the root yield of the sugar beet were investigated in 2003, by which paper tube nursery and direct seeding.
7.In this paper, the related theory and technology supporting of streaming media are researched, including basic technique, playing mode, the system of server platform, and it simply introduces the technical resolutions of video direct seeding, campus network video, streaming VF/AF on the net.
8.In this paper, it is carried out the controlled system of single-chipmicrocomputer (AT89C52), which is based on DDC (Direct Digital Control), to resolve the synchronization of the amount of seeding transplant and velocity, and utilize series voltage regulator to resolve the stability of the voltage.