| 处理 Treatment | 代码 Code | 方法 Method | 平地全膜覆盖
Non-contoured seedbed with film mulching | WM | 前茬作物收获后及时灭茬,待试验区土壤解冻之前（播前一个月左右）,翻耕30 cm,施入足够肥料,然后用120 cm宽的地膜覆盖,膜与膜之间不留空隙,相互重叠大约5 cm,相接处用土压实,采用等行间距穴播点种。
After the former plants harvest, they should be wiped out. Before the soil thawed in the test area (about a month before sowing), plowed 30 cm, applied enough fertilizer, and then covered with plastic film 120 cm wide. There was no space between films, and they overlapped with each other about 5 cm. Soil was compacted at the junction, and seeds were planted at the same row space. | 平地半膜覆盖
Non-contoured seedbed with half film mulching | HM | 覆膜前整地、施肥同WM处理,用120 cm宽的地膜覆盖,膜与膜之间间隔40 cm,地膜两侧用土压实,采用宽窄行（宽行70 cm,窄行40 cm）穴播点种。
Before mulching, soil preparation and fertilization were same as WM. Plastic film of 120 cm wide was used to cover the soil, with an interval of 40 cm between the film and soil compaction on both sides of the plastic film. The sowing were used of wide and narrow rows (70 cm wide and 40 cm narrow rows) . | 隔沟覆膜垄播
Ridge-furrow with polyethylene film
and straw mulching | MRM | 覆膜前整地、施肥同WM处理,试验区土壤解冻之前起垄铺膜,每幅垄大小相等,垄幅宽均为35 cm,高15 cm,两垄相接处形成集雨沟,集雨沟宽20cm。选用120 cm宽的地膜,边起垄边覆膜,地膜与垄外侧紧贴,用土压住地膜。在垄上进行穴播点种。
Before mulching, soil preparation and fertilization were same as WM. Before thawing, the soil in the experimental area was furrowed and covered with film. Each ridge is equal in size, with a width of 35 cm and a height of 15 cm. Rain gutters are formed where two ridges meet. The ditch is 20 cm wide. A 120 cm wide mulch is selected, and the mulch is covered while the ridge is covered. The mulch is close to the outside of the ridge, and the soil is pressed by the soil. Spot-seeding on ridges. | 全膜双垄沟播
Ridge-furrow with full film mulching | WRF | 覆膜前整地、施肥同WM处理,试验区土壤解冻之前起垄铺膜,每幅垄分为大小两垄,垄幅宽110 cm。大垄宽70 cm、高10 cm,小垄宽40 cm、高15 cm。选用120 cm宽的地膜,膜与膜之间不留空隙,相接处用土压住地膜。在大小垄相接处沟内穴播点种。
Before mulching, soil preparation and fertilization were same as WM. Before thawing, the soil in the experimental area was furrowed and covered with film. Each ridge was divided into two ridges with a width of 110 cm. The large ridge was 70 cm wide and 10 cm high, and the small ridge was 40 cm wide and 15 cm high. Plastic film of 120 cm width was selected, no space was left between the film and the film, and soil was used to press the plastic film at the junction. Seeds were planted in the furrows where the ridges connect. | 秸秆垄沟覆盖
Ridge-furrow with straw mulching | SM | 覆盖前整地、施肥、起垄同WRF处理,用小麦秸秆进行全覆盖,按4 000kg·hm-2 的比例均匀覆盖,在大小垄相接处沟内穴播点种。
Land preparation, fertilization and ridding before mulching were same as WRF, and wheat straw was used for full coverage. According to the proportion of 4 000kg·hm-2, seeds were planted in the ditches where the ridges and ridges connect. | 露地平播
Non-contoured seedbed without mulching | CK | 采用等行间距穴播点种,无覆盖。
The seeds were seeded at the same row space, without covering. |
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