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Yield maps of grain and straw in Japanese paddy field

机译:日本稻田的谷物和稻草产映射

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Using mapping techniques, spatial variability of yields in grain and straw for rice plant was investigated over a 0.5ha paddy field on the Experimental Farm, Kyoto University, Japan. Test plant was Oryza sativa L., cv. MINAMI-HIKARI, a high-yieldvariety. Grid sampling was conducted with three rectangular spacings; 1.2m width and 1m length, 6m width and 5m length, and 12m width and 10m length, in order to take account of the grid size effects. In 1.2m×1m grid spacing yield variations resulted in5.5 to 9.7t/ha for grain dry mass and 6.2 to 18.0t/ha for straw dry mass. Experimental semivariograms revealed the spatial dependency of yields with respect to grain and straw.
机译:利用测绘技术,在日本京都大学实验农场的0.5ha稻田上研究了水稻和稻草产量的空间变异性。 测试植物是oryza sativa l。,cv。 Minami-Hikari,高态度。 用三个矩形间距进行电网采样; 1.2m宽度和1米长,6米宽,5米长,12米宽,10米长,以考虑网格尺寸效果。 在1.2M×1M栅格间距产量变化导致晶粒干料的5.5至9.7t / ha,秸秆干料为6.2〜18.0t /公顷。 实验半啮图揭示了谷物和稻草的产量的空间依赖性。

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