Conservation tillage is an energy efficient and low cost tillage system to improve soil environment compared with conventional tillage systems. However, the rice residue management becomes an "impossible to achieve" task due to high soil moisture content at harvest time and the thickness of rice straw. Disc type furrow openers are used for both seed drilling as well as straw cutting during no t...

Different furrow openers are required to be evaluated for their suitability to manage rice straw for direct planting of wheat in paddy fields. This study was carried out to assess the straw-cutting ability and draft requirements of four different disc-type furrow openers (notched, toothed, smooth-edge single disc, and double disc) in no-till paddy fields. The openers were attached to an in-fiel...

poor stand establishment of canola (brassica napus l.) under flatland mechanized planting and crust-forming soil is a major problem for farmers in central iran. previous research there showed that irrigated cotton emergence on crust-forming soils under flatland planting can be significantly improved using a double-disk planter with zero-pressure press wheel tires and no crust-breaking. in that ...

The article is devoted to improving the winter wheat seeding technology. Choosing rational design of opener group enables placement crop seeds in a deeper moisty soil layer for their rapid germination with formation surface relief from furrows. Seeds are placed into furrows at optimal depth 4-5 cm and furrow slices formed by thrown out chisel-shaped openers compacted individual rollers each ope...

The mechanism of furrow opener-soil interaction plays an important role in analyzing the process no-till planting opener. In order to study disturbance effect opener on loam soil, firstly, three-dimensional model was established by using SolidWorks. Secondly, 3D discrete element EDEM software. Combined with indoor soil bin test bench and high-speed camera technology, micro-disturbance macro-dis...

Offset Double-Disk Opener (DDO) is a popular furrow opener in conservation tillage. It has some limitations such as negative suction to penetrate in the soil, hair pinning and mixing seed and fertilizer in the slot. Because of importance of separation of seed and fertilizer in the slot, by adding two horizontal mini disks to DDO a modified opener was made (MDO) which placed the fertilizer betwe...

An active-action seeding depth automatic control system was designed , with the purpose of effectively ensure consistency and stability when seeder is operated in field. Strain-gauge pressure sensor used system, which can detect force on tip furrow opener soil real time, proceed to next step judge change according signal. In order achieve depth, signal formation circuit will send a exceeds appr...

The deep application of liquid fertilizer in paddy fields is a fertilization technique that applies near the root system field crops, which can effectively improve absorption rate crops and reduce amount applied. In cold regions China, soil return furrowing operation low, easily cause excessive leakage affect crop growth. Therefore, it difficult to popularize large areas. According characterist...