field

To collect status messages of field and execute variable input in precision agriculture, the field should be plotted out and its grids are named accordingly.

精确农业要求对田块进行网格划分和命名 ,以便因地制宜地收集田间状态信息和实施变量投入。

Through field observation of blown-sand movement at semi-arid sandy region in spring,it studied the change of sand transport rate and blown-sand structure at the height of 0～60 cm with increasing field length on field surface after moldboard plowing,harrowing and milling respectively.

通过对春季半干旱沙区农田风沙活动的观测,本文对犁耕、耙磨磨平两种处理下近地表0~60 cm内输沙率和风沙流结构随田块长度的变化规律进行了研究。

The whole composition, design of sample piece of farmland, arrangement of farmland water installation were discussed.

介绍了章丘市土地整理项目的目的、任务和依据,对土地整理项目的整体布局、标准田块的设计、农田水利设施的布置进行了研究,提出了优化后的规划设计方案和实施建议。