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Growth and yield of sugar beet on contrasting soils in relation to nitrogen supply: I. Soil nitrogen analyses and yield

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Figure

Table 2. Mineral nitrogen in fresh soil sampled in autumn, winter and springfrom three fields in each year, 1968-70
Table 3. Mineral nitrogen produced during aerobic incubation of fresh (AMin-Nf) and air-dry (AMin-Nad)soil, during anaerobic incubation of air-dry soil (AMin-N,^) and barium hydroxide glucose concentrationsMeans of three sampling dates (Autumn, Winter, Spring) in 1968-70
Table 5. Correlation coefficients between optimum nitrogen requirements, yields and nitrogen uptakeand various soil measurementsTop soil

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