Soils

soybean phospphorus plots

Phosphorus management for Saskatchewan soybeans

Seed-placed rates of up to 35 lbs. P2O5 per acre (40 kg P2O5/ha) were safe across a wide range of conditions. However, seedrow safety was hard to predict, so sideband is still the preferred method for high P application rates. When soil test P levels…

Sask Soybean N

Nitrogen management options for Saskatchewan soybeans

On land without a history of soybeans, dual inoculant provided a 24% yield benefit with an overall yield increase of 7 bu./acre (500 kg/ha). Starter N provided little yield benefit when good N-fixation was achieved. In-season N application could be used to rescue a poorly…

alfalfa bales

Higher wheat and canola yield after two years of legume forages

Wheat yield was up to 45% higher after two years of alfalfa and up to 60% higher after two years of red clover compared to barley-flax rotations. The yield advantage carried over into the second year with up to 55% higher canola yield after the…

Lentil close up

Nitrogen fixation varies between and within pulse crops

At Swift Current, Saskatchewan, faba beans fixed 60 pounds of nitrogen (N) per acre followed by field pea at almost 50 lbs., chickpea at 46 lbs., lentil at 44 lbs., and dry bean lagging behind at 8.3 lbs. But there were varietal differences within each…

mature soybean

Assessing soybean rotational benefits

Soybeans provide similar rotational benefits as pea and lentil on subsequent wheat and canola crops – but keep an eye on phosphorus fertility. Nutrient uptake, removal and rotational benefits have been frequently studied for pea and lentil in western Canada. Research at the University of…

Mature peas

Reduce nitrogen fertilizer by 25% with pulses in rotation

Maintain canola and malt barley yield and quality with 25% less nitrogen (N) fertilizer with pulses in rotation. A three year study at seven locations in western Canada looked at the impact of crop rotation and nitrogen rate on canola and malt barley yield and…