中国压砂田的发展与意义

The development and importance of pebble mulch in China

压砂田是一种具有综合效能的旱作覆盖技术,是适应干旱半干旱地区气候、地理、土壤条件的产物,具有明显改良和调节农田小环境的功效.介绍我国压砂田的起源、地理历史背景和发展历程.分析宁夏压砂田的发展现状、前景与策略.

The pebble mulch is a comprehensive effect technolgy in dry land which can suit for the climate, geography and soil condition in dry and semi-dry area, and can improve and regular the microelimate significantly in the crop field. This paper has introduced the pebble land on its origin, geography, history background, and development course. It also analyses siuation, development, propect and the stratigy on the pebble mulch land.