植物营养与肥料学报
植物營養與肥料學報
식물영양여비료학보
PLANT NUTRITION AND FERTILIZER SCIENCE
2010年
1期
252-256
,共5页
昝亚玲%王朝辉%毛晖%Graham Lyons
昝亞玲%王朝輝%毛暉%Graham Lyons
잠아령%왕조휘%모휘%Graham Lyons
玉米%大豆%硒%锌%铁
玉米%大豆%硒%鋅%鐵
옥미%대두%서%자%철
maize%soybean%selenium%zinc%iron
采用黄土高原低硒区典型土壤,以玉米、大豆为供试作物,研究施用硒、锌、铁对作物产量和营养品质的影响.结果表明,仅施用氮、磷、钾肥料,玉米、大豆产量无明显变化,施用适量硒、锌、铁时,玉米产量明显提高15.6%～73.8%,大豆产量提高58.9%～115.1%.施用硒、锌、铁,玉米籽粒氮含量明显增加,而磷、钾含量无明显变化,大豆籽粒氮含量无明显变化,磷、钾含量有所下降.土施或结合叶面喷施硒、锌、铁时,玉米和大豆籽粒硒、锌、铁含量明显增加,尤其是土施结合叶面喷施硒、锌、铁时效果突出.与对照比较,玉米籽粒硒增加480.4%、锌增加106.9%、铁增加126.7%;大豆籽粒硒增加512.9%、锌增加62.2%、铁增加15.6%.综合考虑玉米、大豆产量和籽粒硒、锌、铁含量变化,锌、硒适宜土壤施用,或土施结合叶面喷施施用,叶面喷施铁可有效提高作物籽粒铁含量.
採用黃土高原低硒區典型土壤,以玉米、大豆為供試作物,研究施用硒、鋅、鐵對作物產量和營養品質的影響.結果錶明,僅施用氮、燐、鉀肥料,玉米、大豆產量無明顯變化,施用適量硒、鋅、鐵時,玉米產量明顯提高15.6%～73.8%,大豆產量提高58.9%～115.1%.施用硒、鋅、鐵,玉米籽粒氮含量明顯增加,而燐、鉀含量無明顯變化,大豆籽粒氮含量無明顯變化,燐、鉀含量有所下降.土施或結閤葉麵噴施硒、鋅、鐵時,玉米和大豆籽粒硒、鋅、鐵含量明顯增加,尤其是土施結閤葉麵噴施硒、鋅、鐵時效果突齣.與對照比較,玉米籽粒硒增加480.4%、鋅增加106.9%、鐵增加126.7%;大豆籽粒硒增加512.9%、鋅增加62.2%、鐵增加15.6%.綜閤攷慮玉米、大豆產量和籽粒硒、鋅、鐵含量變化,鋅、硒適宜土壤施用,或土施結閤葉麵噴施施用,葉麵噴施鐵可有效提高作物籽粒鐵含量.
채용황토고원저서구전형토양,이옥미、대두위공시작물,연구시용서、자、철대작물산량화영양품질적영향.결과표명,부시용담、린、갑비료,옥미、대두산량무명현변화,시용괄량서、자、철시,옥미산량명현제고15.6%～73.8%,대두산량제고58.9%～115.1%.시용서、자、철,옥미자립담함량명현증가,이린、갑함량무명현변화,대두자립담함량무명현변화,린、갑함량유소하강.토시혹결합협면분시서、자、철시,옥미화대두자립서、자、철함량명현증가,우기시토시결합협면분시서、자、철시효과돌출.여대조비교,옥미자립서증가480.4%、자증가106.9%、철증가126.7%;대두자립서증가512.9%、자증가62.2%、철증가15.6%.종합고필옥미、대두산량화자립서、자、철함량변화,자、서괄의토양시용,혹토시결합협면분시시용,협면분시철가유효제고작물자립철함량.
Pot experiments were conducted with maize and soybean as test crops to study the effects of application of Se, Zn, Fe on crop yields and nutritional quality. Obtained results showed that application of N, P, K fertilizers only had insignificant effect on the yield of maize and soybean, but application together with Se, Zn, Fe had increased the grain yield of maize by 15.6%–73.8% and that of soybean by 58.9%–115.1% compared to the control (no fertilizer application). Se, Zn, Fe application could increase N,P contents of maize grain, while no significant effect on its K content. For soybean, Se, Zn, Fe application had no significant effects on grain N content, but decreased P and K contents. Se, Zn, Fe application could significantly increase Se,Zn and Fe contents in maize and soybean grain. Among different Se, Zn, Fe application methods, soil combined with foliar application of Se, Zn, Fe had increased the grain Se, Zn and Fe contents respectively by 480.4%, 106.9% and 126.7% for maize, and 512.9%, 62.2% and 15.6% for soybean compared to the control. By considering both the grain yield and its micronutrient content, both soil application and soil combined with foliar application were feasible for Se and Zn. Foliar application was the effective way to increase grain Fe content of crops.
