Mapping of field information in a paddy field

Choung Keun Lee; Junta Yanai; Toshikazu Kaho; Michihisa Iida; Mikio Umeda; Takashi Kosaki; Tsutomu Matsui

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Mapping of field information in a paddy field

机译：稻田中现场信息的映射

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Soil chemical properties, relief of field surface, SPAD and grain yield were investigated in a 0.5 ha paddy field in 1999 to obtain basic field information for precision agriculture. The field informations were analyzed to examine their within field variability using descriptive statistical method. Semivariograms and kriged maps of geostatistical analysis were also adopted to examine their within field spatial dependence. The results obtained were as follows 1) Descriptive statistics of field information showed that the coefficient of variation ranged from 1.63% to 38.7%. 2) Field information showed a high spatial dependence within paddy field. The Q values ranged from 0.31 to 1, and the ranges of spatial dependence were from 15 m to 60 m, respectively. 3) Kriged maps enable the visualization and comparison of the spatial variability of field information. 4) The causes of spatial variability of the field information could be considered by a field management map.

机译：1999年在0.5公顷的稻田中研究了土壤化学性质，励磁表面，剥离和籽粒产量，以获得精密农业的基本现场信息。分析了现场信息，使用描述性统计方法检查其在现场变异内。还采用了半骚扰局和克里格的地质统计分析地图来检查他们在现场空间依赖范围内。所获得的结果如下1）现场信息的描述性统计显示，变异系数为1.63％至38.7％。 2）现场信息显示稻田内的高空间依赖性。 Q值范围为0.31至1，空间依赖的范围分别为15米至60米。 3）Kriged Maps启用现场信息的空间变异性的可视化和比较。 4）场管理地图可以考虑现场信息的空间可变性的原因。

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《配管·装置·プラント技術》 |2001年第5期|共8页
作者
Choung Keun Lee; Junta Yanai; Toshikazu Kaho; Michihisa Iida; Mikio Umeda; Takashi Kosaki; Tsutomu Matsui;
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正文语种 jpn
中图分类管道运输;
关键词
Soil map; Relief map; SPAD map; Yield map; Field management map; Field information map; Precision agriculture;

机译：土壤图;救济地图;Spad地图;产量图;现场管理地图;现场信息地图;精密农业;

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3. Oligochaete Community Structure in Paddy fields and Channels in Kole paddy fields, Vembanad Kole wetland, India. [J] . Vineetha Saraswathy, Bijoy Nandan S., Rakhi Gopalan K.P. International Journal of Marine Science . 2015,第1期

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4. USE OF HIGH ACCURACY GPS FOR SOIL GEOCHEMICAL MAPPING IN PADDY FIELDS; A CASE STUDY IN KALUTARA, SRI LANKA [C] . Ranjith Premasir, Aruna Weerasinghe, Preeni Fernando, Asian conference on remote sensing;ACRS . 2016

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5. A study on methane emission from rice paddy fields and the nonstructural carbohydrates in rice plants. [D] . Wang, Yongbing. 1993

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6. Herbicide discharge from rice paddy fields by surface runoff and percolation flow: A case study in paddy fields in the Lake Biwa basin Japan [O] . Miki Sudo, Yuko Goto, Kenji Iwama, 2018

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7. Figure 3: SDR abunSimplex ternary plots for the cover date of different abandoned paddy fields. S: Ružička similarity; R: abundance replacement; D: abundance richness difference. (A) −5 year abandoned paddy fields; (B) 5–15 year abandoned paddy fields; (C) 15-year abandoned paddy fields. [O] . -1

机译：图3：SDR AbunSimplex三元图，用于不同废弃的稻田的覆盖日期。 S：Ružička相似; R：丰富的替代; D：丰富的丰富性差异。（a）-5年被遗弃的稻田; （b）5-15岁废弃的稻田; （c）15年废弃的稻田。

Mapping of field information in a paddy field

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