不同施肥处理对晚粳稻‘浙粳22’产量和养分吸收的影响

›› 2011, Vol. 23 ›› Issue (1): 132-137.

不同施肥处理对晚粳稻‘浙粳22’产量和养分吸收的影响

吴春艳1，唐旭1，陈义1，杨生茂1，叶胜海2,*

1浙江省农业科学院环境资源与土壤肥料研究所，浙江杭州 310021；2浙江省农业科学院作物与核技术利用研究所，浙江杭州 310021

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2011-01-25 发布日期:2011-01-25

Effect of fertilization systems on yield and nutrients absorption in japonica rice variety Zhejing 22

WU Chun-yan;TANG Xu;CHEN Yi;YANG Sheng-mao;YE Sheng-hai;*

1Institute of Environment, Resources and Soil Fertilizer, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China;2Institute of Crops and Utilization of Nuclear Technology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China

Received:1900-01-01 Revised:1900-01-01 Online:2011-01-25 Published:2011-01-25

摘要/Abstract

摘要： 以‘浙粳22’为材料，研究不同施肥水平下‘浙粳22’的产量及养分吸收、利用效率的差异。结果表明，‘浙粳22’以有机无机肥配施（MNPK）处理的产量最高、经济效益最好，增产53%，增产效果显著优于不施肥区(CK)、有机肥（M）单施区及氮钾（NK）配施区；氮磷（NP）配施水稻增产38%，有机肥及增量无机肥（MNPK′）配施水稻增产32.3%，氮磷钾(NPK)配施水稻增产27%；同时肥料合理配施可增加作物养分吸收总量，促进养分向籽粒中迁移。在所有处理中，均是MNPK区的养分吸收量最高，MNPK配施区的水稻籽粒吸氮量为126.66 kg·hm-2，吸磷量为26.91 kg·hm-2，吸钾量为45.59 kg·hm-2；MNPK’配施水稻吸氮总量为184.51 kg·hm-2，吸磷总量为33.57 kg·hm-2，吸钾总量为198.40 kg·hm-2。所有处理的氮、磷和钾收获指数均较对照（CK）有所降低；氮、磷素当季表观利用率均以M单施最高，分别为43.85%和36.64%；钾素当季表观利用率则以NPK配施最高，为54.52%，从肥料的输入来看，所有施氮处理的磷表观利用率较M处理下降，施磷处理的磷表观利用率较M处理下降，但是施钾处理的钾表观利用率较M处理上升。

关键词: ‘浙粳22’, 产量, 养分吸收量, 养分收获指数, 当季表观利用率

Abstract: This experiment was carried out to study the effect of fertilization on yield and nutrients absorption in japonica rice variety Zhejing 22. The results showed that rational combination of chemical fertilizers and manure showed better effect on rice yield, and the efficiency of fertilizers and absorption of nutrients increased. There was a sharply increase in rice yield and economic benefits in the MNPK treatment compared to the control, the single M and combination of chemical fertilizer NK. Compared to the control, the rice yield increased by 53% in the MNPK treatment，38% in the NP treatment, 32.3% in the MNPK’, 27% in the NPK treatment, respectively. The combination of chemical fertilizer and manure could increase the fertilizer efficiency. The absorption amount of N, P, K in grain in the MNPK treatment were 126.66 kg·hm-2, 26.91 kg·hm-2 and 45.59 kg·hm-2. And the absorption amount of nitrogen, phosphorus, potassium were 184.51 kg·hm-2，33.57 kg·hm-2 and 198.40 kg·hm-2 in the MNPK’ treatment. The highest nitrogen, phosphorus harvest index was 43.85% and 36.64% in M treatment, and the highest potassium harvest index was 54.52% in NPK treatment. According to the fertilizer input, nitrogen efficiency in all nitrogen treatments was lower than M treatment, and phosphorus efficiency in phosphorus treatment was lower than M treatment. But potassium efficiency in potassium treatment was higher than M treatment.

Key words: Zhejing 22, yield, nutrients absorption, harvest index, fertilizer use efency

吴春艳;唐旭;陈义;杨生茂;叶胜海;*. 不同施肥处理对晚粳稻‘浙粳22’产量和养分吸收的影响[J]. , 2011, 23(1): 132-137.

WU Chun-yan;TANG Xu;CHEN Yi;YANG Sheng-mao;YE Sheng-hai;*. Effect of fertilization systems on yield and nutrients absorption in japonica rice variety Zhejing 22[J]. , 2011, 23(1): 132-137.

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