| 冬小麦土壤养分限制因子和施肥指标研究 |
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| 引用本文： | 刘振兴,张树林,母树宏,于瑞芹.冬小麦土壤养分限制因子和施肥指标研究[J].河北科技师范学院学报,1999(2). |
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| 作者姓名： | 刘振兴 张树林 母树宏 于瑞芹 |
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| 作者单位： | 河北省唐山市农科所，河北省玉田县农林局 |
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| 摘 要： | １９９６～１９９８年在河北省滦县试区进行冬小麦土壤养分限制因子与高产高效施肥指标试验。结果表明，在滦河三角洲沙区，氮、钾是冬小麦产量的土壤养分限制因子，限制因子对冬小麦产量的效应Ｎ＞Ｋ２Ｏ。效益最佳平台区施肥量单施化肥时，Ｎ用量为２９３．４０～３１２．７５ｋｇ／ｈｍ２，Ｋ２Ｏ为１７０．７０～１７８．９５ｋｇ／ｈｍ２；施用有机肥３０ｔ／ｈｍ２时，Ｎ用量为２９７．６０～３１３．６５ｋｇ／ｈｍ２，Ｋ２Ｏ为１５１．５０～１５９．１５ｋｇ／ｈｍ２。
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| 关 键 词： | 冬小麦 限制因子 施肥指标 滦河三角洲 |
STUTYONTHESOILNUTRIENTRESTRICTIVEFACTORS ANDFERTILIZERAPPLICATIONINDEXOFWINTERWHEAT |
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| LiuZhenxingZhangShulinMuShuhongYu Ruiqin.STUTYONTHESOILNUTRIENTRESTRICTIVEFACTORS ANDFERTILIZERAPPLICATIONINDEXOFWINTERWHEAT[J].Journal of Hebei Normal University of Science & Technology,1999(2). |
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| Authors: | LiuZhenxingZhangShulinMuShuhongYu Ruiqin |
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| Abstract: | AnexperimentonthesoilnutrientrestrictivefactorsandhighyieldinghigheffectivefertilizerapplicationwasconductedinLuanxianCountyExperimentRegionHebeiProvincefrom1996to1998.TheresultshowedthatIn LuanheDeltaregion,nitrogenandpotassiumwererestrictivefactorsofwinterwheatyield.TherestrictingeffectsonwinterwheatyieldwereN>K2O.ThesingleapplicationofN forbestresultwas29340312.75 kg/hm2,and170.70178.95kg/hm2forK2O.When30 t/hm2organicfertilizerwasadded,theapplicationofNwas297.60313.65kg/hm2,and151.50159.15kg/hm2forK2Oapplication. |
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| Keywords: | winterwheat restrictivefactors fertilizerapplicationindex LuanheRiverDelta |
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