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Position: Home > Articles > Nutrition Diagnosis of Soil and Fertilization in Pyrus Pyrifolia Nak. cv. ′Jinhua′ Orchard Nonwood Forest Research 2008,26 (3) 57-62

汉源县金花梨果园土壤营养诊断与施肥

作  者:
魏雪梅;廖明安
单  位:
四川农业大学林学园艺学院;大理学院
关键词:
经济林学;金花梨;果园土壤;营养诊断;施肥
摘  要:
为了探明四川省金花梨果园土壤的营养状况,为制定科学合理的配方施肥方案提供一定的依据,以汉源县21个金花梨果园土壤为试材,测定其养分含量。研究结果表明:所调查果园土壤的pH值85%小于7.5,普遍缺乏有机质,平均含量仅为1.28%。有机质对大多数有效养分有增效作用。土壤有机质含量为0.3%~1%的果园,需每a每hm2施用有机质75000~250000 kg,连施3 a将有机质含量提高到2%,才能保证金花梨优质丰产。每生产100 kg金花梨果实需要每a施用纯氮0.60 kg,纯磷0.33 kg,纯钾0.56 kg,即N、P、K施用质量比为2∶1∶2。果园之间各种土壤养分含量的变异系数均在10%以上。
译  名:
Nutrition Diagnosis of Soil and Fertilization in Pyrus Pyrifolia Nak. cv. ′Jinhua′ Orchard
作  者:
WEI Xue-mei1,LIAO Ming-an2 (1.DaLi University,Dali 671003,Yunnan,China;2.College of Forestry and Horticulture,Sichuan Agricultural University,Ya'an 625014,Sichuan,China)
关键词:
nonwood forest science;Pyrus pyrifolia Nak.cv.′Jinhua′;soil in orchard;nutrition diagnosis;fertilization
摘  要:
In order to research nutrition situation of soil in Pyrus pyrifolia Nak.cv.′Jinhua′ orchard and provide a basis for making scientific and rational fertilization plans,nutrient contents in soil were determined,taking soil in P.pyrifolia Nak.cv.′Jinhua′ orchard as materials.The results showed that pH value of 85% soil in orchards was lower than 7.5,soil in orchard is generally lack of organic matters,and average content of organic matters was just only 1.28%.Organic matters have synergetic action on most available nutrients.In order to obtain high quality and yield,it was need to fertilize organic matters 75 000-250 000 kg·hm-2 per year,and content of organic matters could be increased to 2% after 3 years.Yielding 100 kg fruits need pure N 0.60 kg,pure P 0.33 kg,pure K 0.56 kg per year,and mass ratio of N,P,K was 2∶1∶2.All variation coefficients of nutrient contents in soil were over 10%.

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