| | Wind erosion control
- Effects of shelterbelt height and density on wind speed, snow depth, soil moisture content and crop yield
- Effect of cover crops on wind erosion in irrigated fields
- Effect of amount of crop residue on wind erosion potential
- Seeding annual barrier strips on fallow fields
Water erosion control
- Contour versus conventional farming
- Grassed versus ungrassed waterways
- Effects of crop residue, soil texture and slope on water erosion potential
Crop residue management
- Conservation tillage versus conventional tillage cropping
- Reduced versus conventional tillage summerfallow
- Straw shredding instead of tillage
- Comparison of tillage speeds
- Legume green manuring versus conventional summerfallow
Reduced fall tillage
- Fall tillage versus no fall tillage
- Fall tillage with or without harrows
- Fall tillage versus fall-applied herbicides to control winter annual weeds
Salinity control
- Seeding versus sprigging salt-tolerant grasses
- Soil moisture use and rooting depth of various crops
- Salt tolerance of various grasses
Weed/disease/insect control
- Fall-applied versus spring-applied herbicides to control winter annuals
- Fall-applied herbicides versus tillage for perennial weed control
- Fall-applied versus spring-applied 2,4-D on stubble to be summerfallowed
- Conventional fallow versus chemical fallow
- Yield effect of minimum tillage on continuous barley versus conventional tillage
- Yield effect of minimum tillage in a canola, wheat, barley rotation
- Changing disease spectrums under minimum tillage systems versus conventional tillage for cereals and oilseeds
- Comparison of root maggot pupae survival under conservation tillage versus conventional tillage practices
- Comparison of flea beetle and thrips survival in various stubble heights
- Comparison of incidence and economic impact of insects (Mession fly, thrips, canola root maggot, wheat stem maggot, cut worms and grasshoppers) and native predators (spiders, ground beetles) under various conservation and conventional farm practices
Pasture/rangeland rejuvenation
- Direct seeded versus conventionally tilled and seeded pasture
- Pre-seeding herbicide on pasture versus conventionally tilled and seeded pasture
Soil moisture management
- Effect of fall tillage versus standing stubble on spring soil moisture content
- Effects of stubble versus no stubble on snow trapping and spring soil moisture content
- Effects of variable stubble height on spring soil moisture content
Economics
- Comparison of economics of forage in rotation versus continuous cropping to cereal and oilseeds
- Comparison of legume green manuring versus applied fertilizer
Equipment
- Comparison of various conservation tillage seed drills
- Comparison of various grass seed drills
- Comparison of different tillage equipment: wide blade, narrow blade, harrows up/down, vibra shank, low crown sweeps, hydraulic rod weeder
- Comparison of straw handling systems: plowing, baling, shredding, chopping and spreading, harrowing, discing and chiselling
- Comparison of fertilizer applicators: spreaders, banding
|
|