Table 1 Definitions of land uses and management practices.
Management | Definition | Abbreviation | Numeric code |
|---|---|---|---|
Land use | |||
Cropping | Cropped only in last 10 years | COR | 1 |
Irrigated cotton | Cotton mostly in rotation with cereal/grain legume/sorghum in last 10 years. Some sites have no- crop between cotton rotations. | IC | 2 |
Crop/pasture (crop) | Last 10 years include 5–9 years of cropping with pasture in remaining years (crop dominant). This category also includes the sites that were under cropping for 5 years and with 5 years under pasture. | CPC | 3 |
Crop/pasture (pasture) | Last 10 years include 5–9 years of pasture with cropping in remaining years (pasture dominant). | CPP | 4 |
Organic amendments on cropping and pasture | Crop, pasture, crop/pasture (crop) and crop/pasture (pasture) sites that received organic amendments | OA | 5 |
Pasture | Pasture only in last 10 years | PAS | 6 |
Tillage | |||
Conventional Tillage | Cultivation of soil, use of disc or tine implements for soil preparation and weed control | Til_CT | 1 |
Mixed Tillage | More than one type of tillage practiced in last 10 years | Til_MX | 2 |
Minimum Tillage | Minimum tillage, weeds were mainly controlled by herbicides | Til_MT | 3 |
Zero Tillage | Crops are sown by direct-drilling, weeds are mainly controlled by herbicides | Til_ZT | 4 |
No soil disturbance | Pasture sites, no working of soil | Til_ND | 5 |
Residue | |||
Residue baled or removed | Residue baled or removed (organic amendment and crop/pasture (crop) sites) | RM_RR | 1 |
Residue incorporated | Residue incorporated in to soil using conventional tillage practices | RM_RI | 2 |
Residue grazed and incorporated | Residue grazed and incorporated in to soil using conventional tillage practices | RM_RGI | 3 |
Residue grazed | Residue grazed | RM_RG | 4 |
Mixed management | More than one type of residue management practiced in last 10 years | RM_MX | 5 |
Residue burnt | Residue burnt | RM_RB | 6 |
Residue retained on surface | Residue retained on surface(zero and minimum tilled sites) | RM_RS | 7 |
No management | No residue management (pasture and some of pasture or crop dominant crop/pasture sites) | RM_NM | 8 |
Grazing | |||
No grazing | No grazing (crop dominant crop/pasture sites) | GM_NG | 1 |
Other | Grazing other than the dominant types | GM_other | 2 |
Set stocking | Pasture sites, continuous grazing | GM_SS | 3 |
Rotational grazing | Pasture sites, grazing is restricted to short periods of several days, followed by long rest periods, generally of several months depending on pasture condition | GM_RG | 4 |
Mixed set stocking and Rotational grazing | Mixture of set stocking and rotational grazing | GM_SSRR | 5 |
Mixed grazing | More than one type of grazing management practiced in last 10 years | GM_MX | 6 |
No grazing management | Pasture or cropped sites with no grazing history | GM_NGM | 7 |
Pasture Type | |||
No pasture | Cropped and crop dominant crop/pasture sites | PT_NP | 1 |
Annual pasture | Annual pasture, either grass or legume dominant | PT_AP | 2 |
Mixed pasture | Crop dominant and pasture dominant crop/pasture sites where a crop year with ‘no pasture’ and pasture year with annual/perennial pasture | PT_MX | 3 |
Mixed annual/perennial pasture | Mixed annual/perennial pasture, either grass or legume dominant | PT_MAP | 4 |
Perennial pasture | Perennial pasture either grass or legume dominant | PT_PP | 5 |
