Mineral element content of potato plants and tubers vs. yields

Kunkel, R.; Holstad, N.; Russell, T. S.

doi:10.1007/bf02851867

Cited by 31 publications

(15 citation statements)

References 2 publications

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“…They are partially buffered from reduced supplies of mineral nutrients by the transfer of considerable amounts of materials from the haulm (see Section 4.2.2). This leads to the relative constancy of the concentrations in tubers of mobile nutrients such as nitrogen and phosphorus (Kunkel et al, 1973). However, some competition for N was suggested by the work of Bodlaender and Reestman (1968) in which there were bigger interactions between nitrogen supply and plant density at the later rather than the early harvests.…”

Section: The Growth Of Tubers As a Cropmentioning

confidence: 94%

“…Any growth response or biochemical change in the tubers must be dependent on the concentration of the ions in the tubers (Kunkel et al, 1973). It can be seen, therefore, that some understanding of the patterns of ion uptake and transport are basic to any understanding of how the yield and quality of potatoes are influenced by fertilizer usage.…”

Section: The Effect Of Mineral Nutrientsmentioning

confidence: 99%

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The physiology of growth and tuber yield

Moorby¹

1978

The Potato Crop

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In the past decade there have been several books and reviews which have considered the physiology of potatoes (Ivins and Mil thorpe, 1963;Burton, 1966;Milthorpe and Moorby, 1967;Moorby and Milthorpe, 1975). The first two of these were concerned, in part, with trying to put the study of the potato crop on a firm fundamental basis. The second two reviews reported how this work was proceeding. It seems appropriate for the purposes of this book to describe the present state of our knowledge of potato physiology and, probably more important, to discuss how our attitudes and research priorities have changed and suggest areas where we appear to need further information.Discussions such as this have usually started with the dormant tuber and subsequent development of sprouts during storage. I believe that basic physiology of sprout growth is now well understood and I intend to devote more attention to non-storage growth. The first, and major part of the chapter will be concerned, therefore, with growth in the field and the development of the crop of tubers. Physiological aspects of storage will then be considered and sprout growth discussed in terms of its management for different purposes. Growth in the field Pre-emergence growthThe potato is different from most other major annual crops in that it is usually propagated vegetatively. The seed tuber bears a number of sprouts, some or all of which may be growing. It is these growing sprouts which produce the daughter plant and the subsequent crop and, unless P. M. Harris (ed.), The Potato Crop

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Section: The Growth Of Tubers As a Cropmentioning

confidence: 94%

Section: The Effect Of Mineral Nutrientsmentioning

confidence: 99%

The physiology of growth and tuber yield

Moorby¹

1978

The Potato Crop

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“…Potatoes are also very effective at removing N and potassium (K). A typical yield of 67 Mg ha -1 removes approximately 180 kg ha -1 of N and 263 kg ha -1 of K (Kunkel et al 1973). Grain crops are not as effective at removing nutrients and are very poor for treating salt loading unless the stover is also removed.…”

Section: Loading Ratesmentioning

confidence: 99%

Nutrient cycling in the vegetable processing industry: Utilization of potato by-products

Charmley¹,

Nelson²,

Zvomuya³

2006

Can. J. Soil. Sci.

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Potato (Solanum tuberosum) production in Canada and the United States totals approximately 30 × 106 Mg yr-1. Approximately half of this is unsuitable for human consumption. This potato by-product comprises cull potatoes and potato processing waste (PPW). Liquid waste from processing plants can be applied to agricultural land. With strict environmental monitoring and control, crops such as corn (Zea mays L.), vegetables and grass can be used to divert large volumes of liquid waste. Solid waste and culls have traditionally been put in landfills or disposed of on agricultural land as a fertilizer. However these can be diverted from landfill sites or agricultural land and used as a high-quality animal feed, principally in beef feedlots. Research has shown that PPW can replace corn and barley (Hordeum vulgare L.) grain without negative effects on growth of beef cattle or meat quality. Indeed, efficiency of animal growth per unit diet intake is improved. These effects have been observed with diets containing up to 80% PPW. Results to date suggest that PPW is a valuable livestock feed ingredient and has no deleterious effects on beef quality. In areas where PPW is available, feeding to beef cattle represents a viable alternative to other disposal options. Key words: Potato, processing waste, by-product, cattle, land disposal

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“…Leaf-P concentration at early blooming did not vary with P fertilization (Table 2). Leaf P concentrations with all P fertilization treatments were sufficient for normal potato growth (Hochmuth et al, 1991;Kunkel et al, 1973;Locascio and Breland, 1963).…”

Section: Resultsmentioning

confidence: 99%

Potato Yield and Tuber Quality Did Not Respond to Phosphorus Fertilization of Soils Testing High in Phosphorus Content

Hochmuth¹,

Weingartner²,

Hutchinson³

et al. 2002

horttech

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Phosphorus (P) fertilization studies were conducted on four commercial farms and at the University of Florida Institute of Food and Agricultural Sciences Hastings Research and Education Center in Hastings. All sites were in the potato (Solanum tuberosum) production area of northeastern Florida. Preplant Mehlich-1 soil test P was very low at one commercial site and very high at the other four sites. The yield of marketable size A tubers, the desired tuber category, did not respond to P fertilization from 0 to 66 lb/acre (74.0 kg·ha-1) of P at any site. The average yield across all sites was 324 cwt/acre [16.2 ton/acre (36.3 t·ha-1)]. Leaf-P concentration at midseason did not respond to P fertilization. Leaf-P concentration averaged 0.38%, which was sufficient for potato. Potato tuber specific gravity averaged 1.075 and responded slightly to P fertilization only at one site.

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Mineral element content of potato plants and tubers vs. yields

Cited by 31 publications

References 2 publications

The physiology of growth and tuber yield

The physiology of growth and tuber yield

Nutrient cycling in the vegetable processing industry: Utilization of potato by-products

Potato Yield and Tuber Quality Did Not Respond to Phosphorus Fertilization of Soils Testing High in Phosphorus Content

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