@article{XIAYongqiu:2011-04-00,
author="XIA, Yongqiu and YAN, Xiaoyuan",
title="Comparison of statistical models for predicting cost effective nitrogen rate at rice-wheat cropping systems(Soil Fertility)",
journal="Soil science and plant nutrition",
ISSN="00380768",
publisher="一般社団法人日本土壌肥料学会",
year="2011",
month="apr",
volume="57",
number="2",
pages="320-330",
URL="http://ci.nii.ac.jp/naid/110008897291/",
DOI="",
}