Xinjiang Agricultural Sciences ›› 2020, Vol. 57 ›› Issue (4): 746-753.DOI: 10.6048/j.issn.1001-4330.2020.04.021

Previous Articles     Next Articles

Effects of N, P Fertilizer Reduction and K, Zn Fertilizer Interaction on Cotton Biomass, Yield and Nutrient Uptake

LI Yali1,2, Harihash Yibati1, ZHANG Yan1, LI Yuan1, LI Qingjun1   

  1. 1.Research Institute of Soil, Fertilizer and Agricultural Water Conservation, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China;
    2.Tacheng Agricultural Technology Extension Center, Tacheng Xinjiang 834700, China
  • Received:2019-11-04 Published:2020-03-26
  • Correspondence author: LI Qingjun(1979 -), male, Henan Xinxiang, Doctor, Associate Research Fellow, Research area: Corp nutrient management and fertilization techniques,(E-mail)gyqc@163.com
  • Supported by:
    Supported by the National Key R&D Program Project (2017YFD0201900)

氮磷减施与钾锌互作对棉花生物量、产量与养分吸收的影响

李亚莉1,2, 哈丽哈什·依巴提1, 张炎1, 李源1, 李青军1   

  1. 1.新疆农业科学院土壤肥料与农业节水研究所,乌鲁木齐 830091;
    2.新疆塔城地区农业技术推广中心,新疆塔城 834700
  • 通讯作者: 李青军(1979-),男,河南新乡人,副研究员,博士,研究方向为植物营养施肥,(E-mail)gyqc@163.com
  • 作者简介:李亚莉(1992-),女,农艺师,研究方向为土壤肥料与农业信息技术应用,(E-mail)583324832@qq.com
  • 基金资助:
    国家重点研发计划(2017YFD0201900)

Abstract: 【Objective】 To explore the effects of K and Zn fertilizer on cotton biomass, yield and nutrient uptake under the condition of N and P reduction in the hope of providing theoretical significance for the economic benefits of cotton and the sustainable development of cultivated land.【Methods】 Five treatments were set in the experiment. Treatment I: conventional fertilization (NP). Treatment II: 80% conventional fertilization (80%NP); Treatment: III: 80% conventional fertilizer + potash fertilizer (80%NP+K); Treatment: IV: 80% conventional fertilizer + zinc fertilizer (80%NP+Zn); Treatment V: 8% conventional fertilizer + potash + zinc fertilizer (80%NP+K+Zn).【Results】 Compared with farmers’ conventional fertilization (NP), 80% farmers’ conventional fertilization (80%NP) significantly reduced the biomass, yield and nutrient uptake and utilization of cotton. 80% of farmers who were accustomed to fertilizing Zinc fertilizer (80% NPZn) increased the absorption and utilization of cotton biomass, yield and nutrients compared with 80% farmers' conventional fertilization (80% NP), but it was lower than that of farmers' conventional fertilization (NP). There was no significant difference between conventional fertilization (80%NP+K+Zn) and conventional fertilization (NP).【Conclusion】 Under the condition of reducing fertilizer application, 80% conventional fertilizer + potash fertilizer + zinc fertilizer (80%NP+K+Zn) has the best effect on improving cotton yield and economic benefits in Xinxiang.

Key words: cotton; reduction of nitrogen and phosphorus; biomass; production; nutrient absorption

摘要: 【目的】在氮磷减施的条件下,研究钾锌互作与习惯施肥(以下简称习惯施肥)对棉花生物量、产量与养分吸收的差异,为棉花的经济效益和耕地可持续发展提供理论意义。【方法】设5个处理,处理1:习惯施肥(NP);处理2:80%习惯施肥(80%NP);处理3:80%习惯施肥+钾肥(80%NP+K);处理4:80%习惯施肥+锌肥(80%NP+Zn);处理5:80%习惯施肥+钾肥+锌肥(80%NP+K+Zn)。【结果】80%习惯施肥(80%NP)相比习惯施肥(NP)显著降低棉花生物量、产量及养分的吸收利用;80%习惯施肥+钾肥(80%NP+K);80%习惯施肥+锌肥(80%NP+Zn)较80%习惯施肥(80%NP)提高了棉花生物量、产量和养分的吸收利用,但低于习惯施肥(NP);80%习惯施肥+钾肥+锌肥(80%NP+K+Zn)与习惯施肥(NP)没有显著差异。【结论】在氮磷减施条件下,选择80%习惯施肥+钾肥+锌肥(80%NP+K+Zn)对提高新疆棉花产量和经济效益的效果最佳。

关键词: 棉花, 氮磷减施, 生物量, 产量, 养分吸收

CLC Number: