中国烟草科学
中國煙草科學
중국연초과학
CHINESE TOBACCO SCIENCE
2014年
3期
1-6
,共6页
张隆伟%伍仁军%王昌全%张倩%李冰%李启权%卞建锋%刘扬
張隆偉%伍仁軍%王昌全%張倩%李冰%李啟權%卞建鋒%劉颺
장륭위%오인군%왕창전%장천%리빙%리계권%변건봉%류양
植烟土壤%有效铜%有效锌%空间变异%地统计学
植煙土壤%有效銅%有效鋅%空間變異%地統計學
식연토양%유효동%유효자%공간변이%지통계학
tobacco planting soil%available copper%available zinc%spatial variability%geostatistics
微量元素不仅影响烟叶生长发育及烟叶产质量,且它们之间存在相互促进或拮抗作用。为了合理施用微肥,提高烟田合理施肥管理水平,改善烟叶产质量,采用地统计和GIS技术相结合的方法,研究了凉攀烟区植烟土壤有效态Cu、Zn的空间变异。结果表明,研究区植烟土壤有效态Cu含量比较丰富,有效Zn含量适中,分别为2.83、1.86 mg/kg。受地形、气候环境影响,不同县域有效态Cu、Zn含量差异较大。水稻土和黄壤有效Cu、Zn含量明显高于紫色土。两种微量元素与海拔呈负相关性。有效态Cu、Zn含量空间变异距离分别为50、25 km,属于中等强度空间变异,受土壤类型等结构因素和施肥等随机性因素的共同影响。空间插值分析结果表明,有效态Cu、Zn含量总体上呈斑块状分布,区域差异性明显。
微量元素不僅影響煙葉生長髮育及煙葉產質量,且它們之間存在相互促進或拮抗作用。為瞭閤理施用微肥,提高煙田閤理施肥管理水平,改善煙葉產質量,採用地統計和GIS技術相結閤的方法,研究瞭涼攀煙區植煙土壤有效態Cu、Zn的空間變異。結果錶明,研究區植煙土壤有效態Cu含量比較豐富,有效Zn含量適中,分彆為2.83、1.86 mg/kg。受地形、氣候環境影響,不同縣域有效態Cu、Zn含量差異較大。水稻土和黃壤有效Cu、Zn含量明顯高于紫色土。兩種微量元素與海拔呈負相關性。有效態Cu、Zn含量空間變異距離分彆為50、25 km,屬于中等彊度空間變異,受土壤類型等結構因素和施肥等隨機性因素的共同影響。空間插值分析結果錶明,有效態Cu、Zn含量總體上呈斑塊狀分佈,區域差異性明顯。
미량원소불부영향연협생장발육급연협산질량,차타문지간존재상호촉진혹길항작용。위료합리시용미비,제고연전합리시비관리수평,개선연협산질량,채용지통계화GIS기술상결합적방법,연구료량반연구식연토양유효태Cu、Zn적공간변이。결과표명,연구구식연토양유효태Cu함량비교봉부,유효Zn함량괄중,분별위2.83、1.86 mg/kg。수지형、기후배경영향,불동현역유효태Cu、Zn함량차이교대。수도토화황양유효Cu、Zn함량명현고우자색토。량충미량원소여해발정부상관성。유효태Cu、Zn함량공간변이거리분별위50、25 km,속우중등강도공간변이,수토양류형등결구인소화시비등수궤성인소적공동영향。공간삽치분석결과표명,유효태Cu、Zn함량총체상정반괴상분포,구역차이성명현。
Micro nutrients not only influence tobacco growth, yield and quality, and take the positive or antagonistic effects for each other sometimes. In order to apply micronutrients properly in tobacco production, and provide scientific information for improving the yield and quality of tobacco, geostatistics and GIS were used to study the spatial variability characteristics of available Cu and Zn in tobacco planting soils in Langshan and Panzhihua. The result indicated that the average content of available Cu was abundant, and the average content of available Zn is moderate, which were respectively 2.83 and 1.86 mg/kg. Available Cu and Zn contents varied largely among counties due to differences in topography and climate. The available Cu and Zn contents were higher in paddy and yellow soils than those in purplish soil, and were negatively correlated with elevation. The spatial variation distance of available Cu and Zn were 50 and 25 km, respectively, which belonged to moderate intensity spatial variation, which was influenced by structural factors like soil type and random factors like fertilizer. Interpolation results indicated that the content of available Cu and Zn distributed in patch shape as a whole, but distributions of their high value area and low value area were obviously different.