Nutrients for sugar beet production : soil-plant relationships

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Nutrients For Sugar Beet Production: Soilplant Relationships (Hardcover)

AbeBooks has millions of books. We've listed similar copies below. Stock Image. Published by CABI Used Hardcover Quantity Available: P Draycott A. Nutrients for sugar beet production: soil-plant relationships Draycott, A. Published by cabi publishing. Used Quantity Available: 1. Philip Draycott. New Quantity Available: 4. Used Hardcover Quantity Available: 1. Majestic Books London, ,, United Kingdom. Nutrients for Sugar Beet Production: A? Draycott; D? P, Christenson, D? New Quantity Available: 2. There are 16 more copies of this book View all search results for this book.

Being roots, rather than seeds, sugar beets offer several advantages over the traditional high energy grains that are used in dairy cattle feeding programs. Katerji et al. The typical growing season is between and d, but can extend to up to d [ 3 ]. Unlike grains, where seed yield is susceptible to environmental damage during different growth stages, with sugar beets, the storage root is harvested, and is much less prone to climatic anomalies 4. Furthermore, while the interruption of growth in grains from incidences such as early frost, drought or flooding, may result in a complete loss of the harvest, with sugar beets as a non-maturing crop, there is generally at least a portion of the crop remaining [ 4 , 5 ].

A number of studies have confirmed that sugar beets are relatively insensitive to changes in temperature. Yields of sugar beets and sugar content of the beets planted in five temperature-diverse regions of Greece did not differ by harvest [ 8 ]. However, Wahab and Salih [ 3 ] determined that yields are highly dependent on the availability of water.

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Over the two years of their study, yields averaged Indeed, Haankuku et al. Average yield based on US Census reports for crop years — [ 9 , 10 ].

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However, there may be an opportunity to optimize the method of removing sugar beets from storage to minimize storage losses. ADV — Enhancing sugarbeet storage quality. Link to external resource: Electronic resource. Shower Gels. Pain Relievers. Article Tools. Published by cabi publishing.

Like corn, sugar beets can be fed in a variety of forms [ 13 ]. Sugar beets can be stored fresh for up to d, with minimal loss in sugar content, depending on the climate conditions. Longer storage times for fresh beets can result in loss of sugar due to respiration. Sugar beets may also be ensiled, either alone or with other ingredients such as forage or grain. Gilbery et al.

Beauchemin [ 15 ] ensiled chopped beets with barley straw to achieve a silage product similar to whole-crop barley silage. Beet silage can also be prepared from whole crop beets, which consists of the beet root and the beet top [ 16 ].


After a summary of world sugar production from beet the authors cover the plant's The soil's supply of nutrients is examined as the basis for use of mineral. Nutrients for sugar beet production. Soil–plant relationships. AP Draycott and DR Christenson. CABI Publishing, Wallingford, UK, pp.

Although using sugar beets to supply energy for dairy cattle is a somewhat new concept, using sugar beet residue and fodder beets in rations for ruminant animals is not new, and some perspective can be gained from research available for these two ingredients. Beet pulp is a common ingredient in cattle rations in many parts of the world, serving as an energy source, with no known or reported antinutritional factors.

Nitrogen Levels Vital To Sugar Beet Production

Fodder beets are a component of many ruminant diets in use in Europe and Australasia. On a DM basis, sugar beets contain approximately twice the calcium and less phosphorus when compared to grains such as barley or corn [ 17 ]. Normally, beets are cleaned of external soil, but if this step is omitted, ash levels will increase depending upon the amount of soil that may remain on the beets [ 18 ]. The importance of gaining a perspective regarding the feeding value of beet pulp for this discussion resides in the fact that beet pulp is the residue from the extraction of sugar from the sugar beet, and can be regarded as the sugar beet without the sugar component.

This NDF is unique in that it has been shown to feature a very high cation exchange capacity [ 19 ], which tends to promote the maintenance of pH and a more stable rumen environment. Getachew et al. Voelker and Allen [ 22 ] conducted a study to profile and evaluate pelleted beet pulp as an energy source. No other changes were made to the diets. There were no differences in milk yield or fat corrected milk FCM yield that could be associated with levels of beet pulp tested. Thus, with sugar digestibility estimated to be close to totality [ 23 ], one would expect the digestibility of sugar beet DM to be very high, and again, supporting this ingredient as one that might be useful as an energy source for rations for dairy cattle.

Cow performance with diets containing beet pulp substituted for high moisture corn a. The carbohydrate component of the ruminant diet consists of a number of fractions with differing properties. Sugars are the least complex, followed by starches, pectins and then by the insoluble fibrous cell wall material. Likewise, there is considerable variability within each category with respect to rate and extent of degradation and fermentation end products. Lanzas et al. The differences in rates between sugar and starch were narrower than in older nutritional models.

Furthermore, sugars captured within a cellular matrix may potentially be degraded more slowly than free sugar added to the diet per se. Sugars can be available in the form of monosaccharides, such as glucose, galactose, and fructose. Sugars added to diets are often disaccharides with sucrose, lactose and maltose being the most common.

These sugars are most often added to diets to improve ration palatability. Nombekela et al. The control diet was preferred over the salty, sour or bitter flavored diets. This is in agreement with Forbes [ 25 ] and Provenza [ 26 ] as ruminants generally prefer feedstuffs with a sweet taste. With the established relationship between sugar and palatability, many studies have been conducted to assess the optimum amounts of sugar needed to maximize dry matter intake DMI in dairy cattle feeding programs.

Broderick and Radloff [ 27 ] conducted two such studies. Molasses dried onto soybean mill feed served as the source of sugar, replacing high moisture corn in the experimental diets, so that the energy content of the diets changed only marginally. There were no differences in 3. In a follow up study, Broderick et al. There were linear increases for DMI and milk fat yield as sucrose increasingly replaced corn starch in the diet. Ammonia nitrogen N in the rumen was reduced along with the efficiency of N use in the rumen with the additional sugar in the diet.

Several more experiments where sugar has been substituted for a grain source demonstrate that sugar can be used to partially replace grain. Sannes et al. There were no differences in milk production, milk composition or DMI that could be attributed to the inclusion of sucrose in the diets. Similarly, McCormack et al. In the above studies, the concentrations of sugar added in diets have been modest, as a portion of the total non-fiber carbohydrate NFC , with most of the NFC still derived from starch.

The primary objection to feeding sugar in larger amounts is the perception that the sugar will ferment to acids quickly, lowering rumen pH and contribution to sub-acute rumen acidosis SARA. There are in fact indications that such rapid fermentation of sugar can reduce rumen pH. For example, Golder et al. Rumen pH was lower with the fructose sugar in combination with grain than with the grain alone 6. Kim et al. The silage was divided in 24 equal increments and offered hourly. Rumen pH declined from 6.

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In another study [ 34 ] cows receiving 5. The sucrose was supplied either in two increments, in two increments with sodium bicarbonate 0. Rumen pH declined the most with the two daily increments, falling from 6. Such procedures may not, however, replicate normal feeding circumstances. Sugar would more likely replace a source of starch, rather than be added on top of the normal feeding plan, or serve as an energy source when an adequate supply of NDF was available.

As well, animals would be eating throughout the day in most circumstances. However, rumen pH was significantly lower than the control only with the highest sugar inclusion level 6. Huhtanen et al.

Nitrogen Levels Vital To Sugar Beet Production

There were no differences in rumen pH that could be attributed to the diets. Chamberlain et al. Relative to the forage control diet, xylose, starch and fructose reduced rumen pH.


Sucrose and lactose did not reduce pH relative to the high forage diet. Rumen pH was significantly higher with the diet with added sugar than with the corn diet, even though a greater portion of the carbohydrate was fermented in the rumen.

The researchers speculated that a greater portion of the carbon from the sugar may have been used for rumen microbial protein MP synthesis, resulting in a reduced acid load.