The salmon was accompanied with a delicious watercress salad.

伴有可口的水田芥菜色拉的鲑鱼。

The nutrient of C, N, P, K in rice straw buried by rotocultivator in deep soil layer released at a high rate and less remain than on surface soil.

运用机械将深施于水田土层内，中的碳、氮、磷、钾养分释放面施速率高，残留量少。