无土栽培技术的兴起，使在陆上耕耘了几千年的农民们看到，如今可在水面上种植水稻、大小麦等农作物，并可以取得与陆地上相仿甚至更高的产量。在水面上种植农作物，其方法是利用一些浮体材料，根据不同作物采取相应措施，将植物种籽或植苗种植在水面上。80年代末，我国已拥有1 The rise of soilless cultivation techniques has led farmers who have cultivated land for thousands of years to see that crops such as rice, wheat and wheat can now be planted on the water and can achieve similar or even higher yields on land. Crops are planted on the surface of the water by using some buoyant material and taking appropriate measures depending on the crop, planting plant seeds or planting seedlings on the surface of the water. In the late 1980s, our country already had 1