Abstract
Nitrogen and Sulfur Fertilization Effects on Camelina Sativa in West Central Kansas
Highlights
Cultivation of Camelina sativa in Europe dates as far back as 1000 BC
This study was conducted over 3 years to determine N and S rates necessary for optimum camelina production in west central Kansas
Stand count, biomass yield, seed yield, and protein content were affected by N application (P < 0.05)
Summary
Camelina sativa is early maturing and possesses characteristics that make it a good fit as a rotation crop in dryland wheat cropping systems. Nitrogen (N) and sulfur (S) play very important roles in oilseed production, including camelina. This study was conducted over 3 years to determine N and S rates necessary for optimum camelina production in west central Kansas. Treatments were two sulfur rates (0 and 18 lb/a) as the main plots, and four N rates (0, 20, 40, and 80 lb/a) as the sub-plot. Sulfur application did not affect stand count, biomass yield, harvest index, seed yield, oil and protein content. Stand count, biomass yield, seed yield, and protein content were affected by N application (P < 0.05). Average oil and protein content were 28.1% and 33.9% respectively. The optimum N rate for yield was 20 lb N/a, which produced around 680 lb/a seed yield. Based on soil test levels of 25 lb N/a, N requirement for camelina production is 45 lb N/a
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