Recommended N,P and K Fertilization for Single-cropping Rice in Fujian

LI Juan; ZHANG Ming-qing; YAO Bao-quan; SHEN Jin-quan; ZHANG Zan-de; ZHENG Hua-lin; KONG Qing-bo

doi:10.19303/j.issn.1008-0384.2015.10.003

Volume 30 Issue 10

Oct. 2015

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LI Juan, ZHANG Ming-qing, YAO Bao-quan, SHEN Jin-quan, ZHANG Zan-de, ZHENG Hua-lin, KONG Qing-bo. Recommended N,P and K Fertilization for Single-cropping Rice in Fujian[J]. Fujian Journal of Agricultural Sciences, 2015, 30(10): 933-938. doi: 10.19303/j.issn.1008-0384.2015.10.003

Citation:

LI Juan, ZHANG Ming-qing, YAO Bao-quan, SHEN Jin-quan, ZHANG Zan-de, ZHENG Hua-lin, KONG Qing-bo. Recommended N,P and K Fertilization for Single-cropping Rice in Fujian[J]. Fujian Journal of Agricultural Sciences, 2015, 30(10): 933-938. doi: 10.19303/j.issn.1008-0384.2015.10.003

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Recommended N,P and K Fertilization for Single-cropping Rice in Fujian

doi: 10.19303/j.issn.1008-0384.2015.10.003

1. Soil and Fertilizer Institute, Fujian Academy of Agricultural Sciences, Fuzhou,Fujian 350013, China;
2. Fujian Cropland Construction and Soil and Fertilizer Station, Fuzhou, Fujian 350003, China；
3. Datian Soil and Fertilizer Technology Popularization Station, Datian, Fujian 366100,China；
4. Nanping Soil and Fertilizer Technology Popularization Station, Nanping, Fujian 35300,China

Received Date: 2015-08-05
Publish Date: 2015-10-18

Abstract

Abstract

Based on the recent 289 field experiments on N,P and K fertilization forthe single-cropping ricein Fujian,recommendations were formulated using the response function methodology.The results showed that(a)on average the rice yieldswith the N,P and K applications increased by 22.6%,15.5% and 15.6% respectively;(b)fertilizationon the medium-to low-yield fields was more effective than the high-yield fields;(c)P applied in the mountainous areas produced greater result than the coastal zones;(d)K showed an outcome opposite to that of P;(d)in general,the economical application rates were N 160kg·hm-2,P2O559kg·hm-2,and K2 O 122kg·hm-2,with a proportion of N∶P∶K=1∶0.4∶0.8;and(e)fertilizer application rate varied bylocation and soil fertility of the rice field.Regression equations between the alkali-hydrolyzable N,Olsen-P or available K of the soil in question and theappropriateN,P and K fertilizations are presented to provide aneasy access for the field applications once the soil conditionsare determined.
- single-cropping rice,
- N,
- P and K,
- fertilizer efficiency

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References(22)

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