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湖北省纽荷尔脐橙园土壤营养状况及其对果实品质的影响
引用本文:鲍江峰,夏仁学,彭抒昂,李国怀.湖北省纽荷尔脐橙园土壤营养状况及其对果实品质的影响[J].土壤,2006,38(1):75-80.
作者姓名:鲍江峰  夏仁学  彭抒昂  李国怀
作者单位:华中农业大学园艺林学学院,武汉,430070
摘    要:以纽荷尔脐橙为试材,于2002年测定了湖北省秭归县柑橘良种示范场、兴山县高阳镇宝坪村、巴东县东瀼口镇雷家坪村、长阳县渔峡口镇岩松坪村、公安县卷桥水库白云山园艺场、阳新县王英镇石港村、通城县园艺场、丹江口市蔡家渡果园场的纽荷尔脐橙园0~40cm土层的营养状况,分析了相应果园2003年纽荷尔脐橙果实的主要品质。结果表明:供试果园土壤pH值适宜柑橘的生长发育和品质表现,但碱解N普遍缺乏,而其他土壤养分指标差异明显,有机质含量除了秭归县和丹江口市处于低量水平、通城县处于偏低水平外,其他均属适宜范围;有效P含量除了兴山县、长阳县和通城县属于适宜范围外,其他均属缺乏范围;速效K含量表现极不平衡,秭归县处于极缺范围,丹江口市和通城县处于缺乏范围,巴东县处于适宜范围,而兴山县、长阳县、阳新县和公安县处于高量范围。在这种土壤背景下生产出的纽荷尔脐橙果实的主要品质产生很大差异。多元线性逐步回归分析结果表明,土壤养分对纽荷尔脐橙果实品质有很大影响。在一定范围内,可溶性固形物含量与有效P和速效K含量存在显著的线性相关关系,可滴定酸含量和果皮亮度值与土壤pH值、碱解N和速效K含量呈显著的线性负相关。

关 键 词:纽荷尔脐橙  土壤营养状况  果实品质  多元线性逐步回归

Main Soil Nutrient Status of Newhall Orchards of Hubei Province and Its Effect on Fruit Quality of Newhall Orange
BAO Jiang-feng,XIA Ren-xue,PENG Shu-ang and LI Guo-huai.Main Soil Nutrient Status of Newhall Orchards of Hubei Province and Its Effect on Fruit Quality of Newhall Orange[J].Soils,2006,38(1):75-80.
Authors:BAO Jiang-feng  XIA Ren-xue  PENG Shu-ang and LI Guo-huai
Institution:College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, China
Abstract:Nutrient status of the soils (0~40cm) of Newhall orange orchards in Quality Citrus Variety Demonstration Farm of Zigui County (Zigui C.),Baoping Village of Gaoyang Town of Xingshan County (Xingshan C.), Leijiaping Village of Dongxiangkou Town of Badong County (Badong C.),Yansongping Village of Yuxiakou Town of Changyang County (Changyang C.),Baiyunshan Horticultural Farm of Juanqiao Reservoir of Gong''an County (Gong''an C.),Shigang Village of Wangying Town of Yangxin County (Yangxin C.),Horticultural Farm of Tongcheng County (Tongcheng C.),and Caijiadu Fruit Farm of Danjiangkou City (Danjiangkou C.) was determined,respectively, in 2002 and quality of the fruits therefrom analyzed respectively in 2003.The results showed that all the eight orchards had the same features of suitable soil pH and deficiency of avail.N.However,the differences between the orchards in other avail.nutrients were significant.SOM was low in Zigui C.and Danjiangkou C.,medium on the lower side in Tongcheng C.and optimum in the others;soil avail.P was optimum in Xingshan C.,Changyang C.and Tongcheng C. and deficient in the others;soil avail.K was extremely deficient in Zigui C.,deficient in Danjiangkou C.and Tongcheng C.,optimum in Badong C.and high in the others,showing extremely uneven distribution of the element.Quality of the Newhall orange fruits produced therein also varied sharply,as was affected by the big differences in soil nutrient status. A multiple linear stepwise regression analysis revealed that wihtin a certain range,TSS content was significantly correlated with soil avail.P (negatively) and avail.K,TA content and PB with soil pH,avail.N and avail.K,but no correlation was found between the other fruit quality indexes and the main soil nutrients.
Keywords:Newhall Orange  Soil nutrient status  Fruit quality  Multiple linear stepwise regression
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