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Chapter 2,638

Increasing rates of nitrogen, phosphorus and potassium fertilizers and agronomic characteristics of potatoes at two pH levels

Sangoi, L.; Kruse, N.D.

Pesquisa Agropecuaria Brasileira 29(9): 1333-1343

1994

ISSN/ISBN: 0100-204X
Accession: 002637574
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In field trials in Lages, Santa Catarina in 1990-91, potatoes Baraka were planted in mid-Oct. following liming to increase soil pH from 4.7 to 5.5 or 6.0 and were given 0, 1, 2, 3 or 4 t/ha of 5:20:10 NPK or the officially recommended rate (ROLAS) for the area of 60 kg N, 250 kg P2O5 and 90 kg K2O/ha. Haulms of crops grown for seed potatoes were artificially desiccated 65 d after planting, while haulms of ware potatoes were left to die naturally.

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Related References

Baerug, R. 1961: Increasing rates of nitrogen, phosphorus, and potassium fertilizers for potatoes. Effect on yield and cooking quality Forskn. Fors. Landbr 12(3): 247-75
Breda Filho, J.; Freire, E.S.; Abramides, E. 1966: Responses of sweet potatoes to increasing rates of nitrogen, phosphorus and potassium Bragantia 25: 291-296
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