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作 者:李百云[1] 刘旭峰[1] 金会翠[1] 冯焕德[1] 吴彬彬[1] 张林森[1] 龙周侠[1]
机构地区:[1]西北农林科技大学园艺学院,陕西杨凌712100
出 处:《西北农业学报》2008年第3期215-218,共4页Acta Agriculturae Boreali-occidentalis Sinica
基 金:陕西省科技攻关项目(2006K01-G28-01)
摘 要:对眉县42个猕猴桃园土壤取样分析结果表明,平均土壤有机质含量13.98 mg/kg,23.8%的果园达到15 g/kg;碱解氮134.80 mg/kg,含量充足的果园占30.95%,过剩的占14.29%,约55%缺氮;有效磷含量38.13 mg/kg,16.6%的果园达到充足以上,约83%缺磷;有效钾含量177.73 mg/kg,充足、过剩、缺乏的果园各约占1/3;有效铁含量6.83 mg/kg,10%的果园接近黄化病发生的临界值,其余低于临界值;土壤pH在7.15-8.5,绝大部分属于微碱性土壤。Soil samples from 42 kiwifruit orchards in Meixian county,Shaanxi Province were analyzed.The results showed that the average content of soil organic matter is 13.98 g/kg,with 23.8% of investigated orchards over 15 g/kg,average soil available N is 134.80 mg/kg,with 30.95% of the orchards sufficient,14.29% over supply and about 55% in short supply,average soil available P is 38.13 mg/kg,16.6% of the orchards have enough supply and about 83% in short supply,average soil available K is 177.73 mg/kg,with 1/3 of the orchards over supply,1/3 sufficient and 1/3 in short supply,average soil available Fe is 6.83 mg /kg,10% of the orchards is closed to critical point of cholorosis and the rest is lower than that,soil pH is 7.15~8.5,most of the orchard soil being slight alkalinity.
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