《Table 2 Soil nutrients and pH variation from CV and RV as explained by different MZ approaches in F
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《An integrated approach to site-specific management zone delineation》
(%)
The average EONRs in each MZ in Field B defined using the three delineation approaches are shown in Table 4.Averaged across hybrids and fields,the EONRs were similar in 2001(174 kg$hm–2)and 2003(176 kg$hm–2),which were close to the farm practice(168 kg$hm–2).However,EONR varied with different approaches,MZs,hybrids and years.Averaged across the field,the EONR of33G26 in 2001(139.7 kg$hm–2)was about 68 kg$hm–2less than that of 33J24,while in 2003,the EONRs of these two hybrids were similar.Averaged across years and hybrids,the general EONR trend for the ROSE and ROSE-YSTTS approaches followed the same order;MZ1>MZ4>MZ3>MZ2(Fig.4).The difference in average EONR between the highest and lowest EONR MZs was larger for the ROSE-YSTTS approach(65 kg$hm–2)compared to the other two approaches(about 55 and 33 kg$hm–2).
图表编号 | XD0017390300 严禁用于非法目的 |
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绘制时间 | 2018.12.01 |
作者 | Yuxin MIAO、David J.MULLA、Pierre C.ROBERT |
绘制单位 | Precision Agriculture Center,Department of Soil,Water and Climate,University of Minnesota、Precision Agriculture Center,Department of Soil,Water and Climate,University of Minnesota、Precision Agriculture Center,Department of Soil,Water and Climate,Universit |
更多格式 | 高清、无水印(增值服务) |
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