Abstract
Sixteen experiments were carried out on maincrop potatoes (Solanum tuberosum) in the main growing areas of the United Kingdom to compare broadcast, sideband placed and split applications of compound fertilizer. In experiments without irrigation, yield increased up to about 1250 kg ha−1 of compound fertilizer (N:P:K 15:6.6:15.8 or 15:8.3:15.8), while with full irrigation there was a response to at least 1875 kg ha−1. Placement gave a higher yield than broadcast at 625 kg ha−1, while at 1250 kg ha−1 and 1875 kg ha−1 broadcast, placed and split applications gave similar yields.
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Holmes, M.R.J., Shiles, R.J. Compound fertilizer placement for potatoes. Fertilizer Research 1, 235–244 (1980). https://doi.org/10.1007/BF01074196
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DOI: https://doi.org/10.1007/BF01074196