福建单季稻氮磷钾推荐施肥量研究

李娟; 章明清; 姚宝全; 沈金泉; 章赞德; 郑华林; 孔庆波

doi:10.19303/j.issn.1008-0384.2015.10.003

福建单季稻氮磷钾推荐施肥量研究

doi: 10.19303/j.issn.1008-0384.2015.10.003

1. 福建省农业科学院土壤肥料研究所,福建福州,350013;
2. 福建省农田建设与土壤肥料技术推广总站,福建福州,350003;
3. 大田县土壤肥料技术推广站,福建大田,366100;
4. 南平市土肥站,福建南平,353000

基金项目:

福建省科技计划项目——省属公益类科研院所基本科研专项(2014R1022-5)

农业部测土配方施肥技术项目(2009-2014)

详细信息

作者简介:
李娟(1977-),女,硕士,副研究员,主要从事平衡施肥和施肥与环境研究(E-mail:lj-95@163.com);章明清(1963-),男,博士,研究员,主要从事土壤肥料研究(E-mail:zhangmq2001@163.com)

中图分类号: S511.41
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出版历程
- 收稿日期: 2015-08-05
- 刊出日期: 2015-10-18

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

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

摘要

摘要: 根据289个单季稻氮磷钾肥效试验结果,应用肥料效应函数法研究氮磷钾推荐施肥量,即:(1)不同土壤肥力等级或目标产量的氮磷钾推荐施肥量和比例;(2)土壤碱解氮、Olsen-P和速效钾测定值的对应推荐施肥量计算式。结果表明,单季稻施用氮磷钾化肥的平均增产效果分别为22.6%、15.5%和15.6%,中低产田的肥效高于高产田,山区稻田氮肥肥效与沿海稻田相当,磷肥肥效表现为山区稻田高于沿海稻田,钾肥则反之。推荐施肥量平均为N 160kg·hm^-2、P₂O₅59kg·hm^-2和K₂O 122kg·hm^-2,三要素比例为1∶0.4∶0.8,但不同土壤肥力等级和生产区域的推荐施肥量有明显差异。建立的测土推荐施肥回归方程式,实现了根据土壤氮磷钾测定结果计算具体地块施肥量的目的。
- 单季稻 /
- 氮磷钾 /
- 肥效 /
- 施肥
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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