soil fertility management

Various improvement measures could enhance the activity of soil organic matter and carbon pool management index and raise the level of the soil carbon pool. It was showed that these improvements had effects of fertility-improving and sound development of soil properties.

不同培肥措施均能提高土壤的活性有机质以及土壤的相对碳库管理指数，提高土壤的碳库水平，说明这些培肥措施对土壤有培肥作用使土壤性能向良性发展。

The change of soil quality in the water~ irrigated farm, dry farm and vegetable plots is mainly depended on the man's management and input level. And in the good tillage and high input farmlands the soil fertility quality is obviously increased.

水浇地、旱地和菜地土壤肥力质培的变化主要取决于人为管理和投入水平，耕作精细、投入较高的土地，其土壤肥力质量有明显的提高。

The methods involve soil fertility management as well as reduced tillage. Tilling is breaking up and turning the soil to prepare the ground for planting.

这些方法包括管理土壤肥力和减少耕作。耕作就是将土壤松碎并翻转，为种植做好准备。

The methods involve soil fertility management as well as reduced tillage.

这些方法包括管理土壤肥力和减少耕作.

Evolution and management of soil fertility in rice fields under multiple cropping systems

多熟制条件下稻田土壤肥力演变及其管理