The translation model between image and croprow coordinate under monocular vision was set up, ignored the height of rowcrop.
忽略作物生长高度，建立了单目视觉条件下，从图像坐标系到作物生长平面坐标系的转换模型。
2
The result showed, comparing with sole cropping, the land use efficiency of sequential cropping, row cropping, crop rotation raised by 62%, 38% and 21%.
结果表明，与单作一熟农田相比，复种、间作及轮作农田土地利用效率分别提高62%、38%和21%；
3
Land once incompatible with row-crop agriculture, but which provided a living to ranching families and habitat for prairie wildlife, is being converted to row crops.