目前，地膜覆盖广泛应用于各种作物，普遍表现植株早发、快生、产量高、质量好等特点。针对采种甜菜生育前期气温偏低，植株生长缓慢，种子成熟晚，并且收获遇雨季等问题，我们连续进行了两年采种甜菜地膜覆盖栽培试验，试验结果简报如下。１材料与方法试验于１９９６～１... At present, mulching covers a wide range of crops and generally displays the characteristics of early onset, fast growing, high yield and good quality of plants. In order to solve the problems such as low temperature, slow plant growth, late maturity of seed and harvest in case of rainy season in the early stage of growing sugar beet, we carried out two consecutive years of mulching test on mulching sugar beet mulching, and the results are as follows. 1 Materials and methods test in 1996 ~ 1 ...