文档介绍：毕业设计(论文)
题目中山市东凤镇菜园土壤肥力调查与评价
姓名
学号
专业班级 08生物工程
所在学院化学与生物学院
指导教师(职称)
二○一二年一月十三日
中山市东凤镇菜园土壤肥力调查与评价
摘要
本人对中山市东凤镇菜园的土壤肥力状况进行了分析,结果表明:东凤镇菜园土绝大部分为轻粘土;,, g/kg水平,;,:;,;,;,;,; mg/kg水平, mg/kg。
关键词: 东凤镇菜园土土壤肥力轻粘土分析评价
Dongfeng Town, Zhongshan City, garden soil fertility survey and evaluation
Summary
【Abstract】I Dongfeng Town, Zhongshan City, the garden's soil fertility status of the analysis results showed that: Dongfeng Town, garden soil mostly light clay; soil pH concentrated , an average of , organic matter content and more in g /kg level, the average ; total nitrogen content in the level, the average :; nitrogen content in level average ; total phosphoruscontent in level average ; available phosphorus content in the level, an average of ; total potassium in level, an average of /kg; available potassium is mg / kg, the level, the average is mg / kg.
【Key Words】Dongfeng Town Garden soil Soil fertility Light clay Analysis Evaluate
目录
1前言
…………………………………………………………………………1
……………………………………………………………………………1
………………………………………………………………………6
2分析项目及方法………………………………………………………………………………6
土壤肥力评定的标准…………………………………………………………………7
pH值及各主要养分………………………………………………………………7
土壤质地…………………………………………………………………………7
3结果分析………………………………………………………………………………………8
东凤镇土壤肥力测定结果……………………………………………………………8
机械组成…………………………………………………………………………9
土壤pH值…………………………………………………………………………9
土壤有机质……………………………………………………………………10
氮素……………………………………………………………………………10
磷素……………………………………………………………………………11
钾素……………………………………………………………………………11
各养分含量的相关性分析…………………………………………………………12
4 结论与建议………………………………………………………………………………12