摘要
为查明邵阳市主植烟区的土壤肥力状况,对该市3个主烟区的285个土壤样品进行分析,结果表明,全市植烟土壤pH值、速效锌和速效硼含量比较适宜;有机质、碱解氮、速效磷含量丰富;土壤交换性镁、速效钾和水溶性氯供应明显不足,大部分烟区处在缺乏与潜在性缺乏之间。不同植烟区土壤肥力特征有较大的差异。邵阳市烟区应重视土壤酸度的调节,适当控制氮肥和磷肥,补施镁肥,增施钾肥和氯肥。
In order to investigate the soil fertility situations in main tobacco-growing areas of Shaoyang City, 285 soil samples from 3 mare tobacco-grow ing areas in this city were analyzed. The results showed that pH value, available zinc and available boron content were appropriate in tobacco-growing soil of the whole city. The content of organic matter,available nitrogen and available phosphors were rich. But the supply of exchangeable magnesium, available potassium and water-soluble chlorine were obviously deficient and most tobacco-growing areas were in the state between lack and potential lack. The soil fertility characteristics bad greater difference among different tobacco-growing areas. It was suggested that more attentions should be paid to regulate the soil acidity, control N and P application properly, supply Mg fertilizer and increase the application of K and C1 fertilizers in the tobacco-growing areas of Shaoyang.
出处
《安徽农业科学》
CAS
北大核心
2009年第5期2071-2074,2128,共5页
Journal of Anhui Agricultural Sciences
关键词
邵阳烟区
土壤养分
施肥
对策
Tobacco-growing areas of Shaoyang
Soil nutrients
Fertilization
Countermeasures
