CAJ | 학술논문

对宜昌市窑湾乡柑橘产区施肥现状和柑橘园土壤肥力状况进行分析,结果表明：该区域柑橘园不施肥的占16.1%,施1次的占67.7%,施2次的占16.1%;施有机肥的农户仅占9.68%,大部分农户只施用化肥,且化肥施用比例不合理。有机肥施用少和氮肥施用相对过多,是制约柑橘产量和品质提高的重要因素。该区域柑橘园土壤有酸化的趋势,且普遍缺氮、部分缺磷、大部分缺乏有机质和速效钾,整体土壤肥力很低。与第2次土壤普查时的结果相比,表现为土壤pH值降低,有机质含量、速效钾含量下降,碱解氮、速效磷含量升高。
대의창시요만향감귤산구시비현상화감귤완토양비력상황진행분석,결과표명：해구역감귤완불시비적점16.1%,시1차적점67.7%,시2차적점16.1%;시유궤비적농호부점9.68%,대부분농호지시용화비,차화비시용비례불합리。유궤비시용소화담비시용상대과다,시제약감귤산량화품질제고적중요인소。해구역감귤완토양유산화적추세,차보편결담、부분결린、대부분결핍유궤질화속효갑,정체토양비력흔저。여제2차토양보사시적결과상비,표현위토양pH치강저,유궤질함량、속효갑함량하강,감해담、속효린함량승고。
Current situation of fertilization and soil fertility of the citrus-producing area in Yaowan Township of Yiehang City were analyzed. Results showed that the proportion of no-fertilizer,one-fertilizer,two-fertilizer got to 16.1% ,67.7%, 16.1% ,respectively.The proportion of organic fertilizer was 9.68%, most of the citrus orchard only applized inorganic fertilizer, and the proportion of nitrogen, phosphate, potassium was unreasonable. Lack of organic fertilizers and overusing of nitrogen were important restrictive factors of citrus＇ yield and quality.The soil of the citrus orchards in this area was acdizing.The soil was tack of nitrogen generally, most of them were lack of organic matters and available potassium, some of them were lack of phosphate.The soil fertility level was low.Compared with the results of the Second Soil Survey,the pH value was lower;the organic matter and the available potassium decreased while the available nitrogen and available phosphate increased.