By several years\' research, what thick-flat planting soybean technology has significant benefit of yield had been asserted exactly as the core of shortening ridge and adding rows.

The narrow row solid-seeding is planting technique of a high yield soybean with widely prospect, which needs combine with a complete set of techniques including improving cultivars, weed control, improving machinery and so on.

Composition and occurrence characteristics of weed community in flat-planting narrow-row solid-seeded soybean fields;

In this paper, some plowing methods such as contour plowing,densely plowing,terraced plowing, etc.