The effects of fertilizers on the bulking of Majestic potatoes

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Abstract
1. Four experiments designed to investigate the effect of fertilizers on the rate of bulking of Majestic potatoes are described and the results discussed.2. Irrespective of fertilizer application yield increased until the haulm died and then decreased slightly.3. Sulphate of ammonia increased the yield by increasing the number of tubers and increasing the yield in all size-grades. Thus its effect was seen throughout the season, no matter what grades yield was based on. It also increased dry-matter percentage.