Liu Zhongmin,Shan Lun,Deng Xiping,et al.Relationship Between N、P、K and Output Quality of Spring Wheat Under the Condition of Semiarid Climate[J].Research of Soil and Water Conservation,1998,5(01):139-144.
半干旱条件下氮磷钾营养元素与春小麦产量和品质的关系
- Title:
- Relationship Between N、P、K and Output Quality of Spring Wheat Under the Condition of Semiarid Climate
- Keywords:
- nutrient element; spring wheat; output quality
- 摘要:
- 2年田间试验结果表明：在半干早气候条件下，黄绵土单施磷肥增产效果显著，春小麦产量可提高44.6%；单施氮肥增产效果不显著，但氮、磷、钾配合施用，春小麦产量可增加55.4%；施磷或氮磷配合可显著地促进春小麦的生长发育，增加植株高度和叶面积系数，促进春小麦结实小穗发育，提高结实率；磷与钾配合施用可促进春小麦光合产物积累和运转；氮、磷配合施用，可显著改善春小麦品质，与不施肥处理相比，籽粒中氮磷钾含量分别提高18.5%、18.4%、8.1%。
- Abstract:
- The two-year research results show, under the condition of simiarid climate, P applied in loess soil might in crease 44.6% of spring wheat output than without P applied obviously; On the contrary, N applied had no output increasing effect; however, P mixed N and K also enhance doutput of 55.4%; the appling P or mixed N promoted the growth and development of spring wheat, at the sametime, raised the height of plant and leaf area coefficient of spring wheat, improved spike growth and seed produced rate of spring wheat, P mixed with K might promote the photosynthetic matter accumulation and transportion; as well as, P mixed with N also improved the quality of spring wheat, compared with no fertilization, N. P and Kcontent in seed under the treatment of P mixed with N migtht increase of 18.5%, 8.4% and 8.1% respectively.
相似文献/References:
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备注/Memo
收稿日期:1997-10-10。