preparation of soil

This paper study the technique gist, data collection and preparation, quality check and main problems of constructing county or city soil utilization database taking MAPGIS software as example.

本文以MAPGIS土地利用数据库建库软件为例，研究建立县（市）级土地利用数据库的技术依据、资料收集及预处理、建库流程、质量检查及主要问题的处理方法。

Technical essentials of turf-bed preparation, fertilizer dressing, soil disinfection and disinsection for cool season turfs and lawns in Northern China are expounded in this paper.

论述了中国北方冷季型草坪绿地建植时坪床的处理、施肥、土壤消毒与杀虫等技术要点；

In conclusion, the conditions of soil surface moisture and temperature were changed by the treatment of hathpace soil preparation, which highly availed the growth of ash seedlings in this research.

高台整地处理对林地土壤含水量和土壤温度的改变，有利于天然林下水曲柳人工更新幼苗的存活和生长。

Preparation of water-absorbent resin as synthetic FLOWER-CULTIVATE soil by solution polymerization

溶液聚合法制备花土用吸水树脂

Stability analysis on mountain slope of soil preparation for planting by using explosion

爆破整地造林工程的坡地稳定性分析&以太行山低山丘陵区为例

Effect of Different Soil Preparation and Tending on Young Forest Growth of Sequoia sempervirens

不同整地方式及抚育措施对北美红杉幼林生长的影响

A method for the determination of nerve warfare agent and vesicant war gas in polluted soil was estab ˉ lished by GC-MS_SIM. The sample preparation of six warfare agent s in soil and the extraction yield of two step extractions for these agents were studied.

建立了土壤中神经性毒剂及糜烂性毒剂GC-MS-SIM分析法，对土壤中6种毒剂的样品制备和二步萃取方法进行了研究；