1. Main technical parameter (I-type out-trough seed-feeding device)
1) Related power: Taishan-12 tractor or the same type
2) Overall dimension (MM): 2100×1180×950
3) Weight (KG): 150
4) Volume of seed case (L): 35
5) Volume of fertilizer case (L): 26
6) Distance between rows (MM): 200-600 (ajustable)
7) Distance between two plants (MM): 170-200
8) Efficiency (Second gear)(mu/h): 3-5
9) Form and amount of seed-feeding device: 2 (out-trough type)
10) Form and amount of dither and plough in the same and converse direction: 7
11) Operator: one drive, the other assist
12) Amount of row: 2
13) Seeding width: 700-900mm (adjustable)
14) Seeding depth: 30-100mm (adjustable)
15) Seed amount per delve: 2-3 (adjustable)
16) Rate of broken seeds (%): 0.5
17) Seeding, fertilization and height and width of ridging are adjustable.

2. Main technical parameter (II-type impulse seed-feeding device)
1) The machine is equipped with tower-like gear         seeding amount
13 teeth, distance between two plants: 19-20cm         about 14-15kg
16 teeth, distance between two plants: 15-16cm         about 17-18kg
18 teeth, distance between two plants: 13-14cm         about 19-20kg
2) The other parts are the same as that of I type.

3. Structure
1) Seed-feeding part
It consists of seed case, seed-feeding device, transmission part and adjusting part of seed quantity.
The seed-feeding device has two forms, out-trough type and impulse type, consists of seed box, seeding wheel, brush, rubber software, seeding axis, etc.
2) Ridging, fertilizing and ditching
Left and right plough tools of front ridging are fixed with fasten board of frame, and pulling rod is fixed at the girder. Ditching parts are connected through girder. Ditcher like a disc, which consists of plough flake, plow leg, scattered seeding board.  The fertilizing part is fixed at the frame, driven by walking wheel through chain.
3) The part covered by plastic film
The bracket of plastic film is connected with frame, and the bracket of press rolling with it. Rubber tyre is connected with back support. Back leg of membrane-burying disc is connected with fixed base of back support, consists of vertical pole and round disc.
4) Pesticide-spraying part
The nozzle and pipe are fixed at the frame. Pesticide barrel is fixed on the tractor. The pesticide is sent to the barrel through pump of tractor and to the nozzle through plastic pipe