WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Sunday, December 16, 2018

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Search results on 12/16/18

7253. Veseth, Roger. 1990. Winter lentil could provide conservation tillage option.. STEEP Conservation Farming Update, Winter 1990 p. 3-6.
Lentils may be adaptable to a wider range of uses in crop rotations as a result of breeding work by the USDA-ARS at Pullman, WA. Winter hardy lentils are being selected that could fit nicely into reduced tillage systems. Yield potential should be higher with a fall planting, but current winter lentil yields are similar to spring seedings. Advantages include avoidance of spring soil compaction, efficient use of moisture, and planting into standing stubble. A small red lentil is being developed for use in areas with 14-18" precipitation as a replacement for summer fallow. Planting winter wheat after lentils can reduce pythium root rot, Rhizoctonia root rot, Cephalosporium stripe, and take-all diseases.

7662. Wright, A.T. and E. Coxworth. 1987. Benefits from pulses in the cropping systems of northern Canada. p. 108. IN: J.F. Power (ed.). The role of legumes in conservation tillage systems..
Investigated yield and N response in barley and wheat, 1 and 2 years after pulse crops of fababean, pea, and lentil. Overall yields were higher on fababean and field pea residues than lentils. Soil tests could not attribute yield differences among crop residues to differences in soil N levels at time of seeding. Nitrogen fertilizer equivalents for barley were 105, 85, and 50 lb N/ac for fababean, peas, and lentils. Legume residues influenced barley grain quality. In the second year following pulses, the dry matter yield, grain yield, and N uptake of wheat was 15% higher than in the continuous cereal sequence. Analysis of 3 completed rotation cycles showed that cropping sequences that included pulses were considerably more productive than the continuous cereal sequence in terms of net energy production and economic gross margin to cash costs. Field peas were the most effective first-year crop in terms of net energy production.

7786. Engel, R., L.E. Welty, R. Lockerman, J. Bergman, G. Kushnak, L. Prestbye, and J. Sims. 1987. Annual legumes and cereal grain rotations in Montana.. Montana AgResearch 4(3):1-4.
Montana researchers examined the performance of several grain legumes (dry pea, chickpea, lentil) and their effect on a subsequent barley crop. Dry pea production was the highest. A subsequent barley crop rsponded to added N fertilizer at three out of six sites. Barley yields following legumes were generally equal to or greater than yields following fallow. The annual legumes contributed to soil N and reduced the fertilizer N needed to reach maximum yield by 40-55 lb N/ac when compared to recrop barley. This translated into savings of $10-14/ac for fertilizer N.

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