Soil chemical changes following manure application on irrigated alfalfa and rainfed timothy in southern Alberta

Olson, Barry M.; Papworth, Lawrence

doi:10.4141/s05-024

Cited by 9 publications

(4 citation statements)

References 36 publications

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“…Nutrient content observed in the manure and compost were consistent with other studies in southern Alberta Olson and Papworth 2006;Larney et al 2008). The average total N content in the manure (Table 4) was slightly lower than the standard value of 20 kg Mg…”

Section: Manure Chemistry and Applicationsupporting

confidence: 91%

Nitrogen- and phosphorus-based applications of cattle manure and compost for irrigated cereal silage

Olson¹,

McKenzie²,

Larney³

et al. 2010

Can. J. Soil. Sci.

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E. 2010. Nitrogen-and phosphorus-based applications of cattle manure and compost for irrigated cereal silage. Can. J. Soil Sci. 90: 619Á635. Land application of livestock manure has caused concern about excess nutrients in soil and the potential risk to water quality. Application of manure based on cropnutrient requirements is considered a beneficial management practice. A field study was conducted to assess the feasibility and impact of crop-based N and P application rates of cattle (Bos taurus) manure and compost for crop productivity and accumulation of extractable soil N and P. The 6-yr (2002Á2007), small-plot field study included 10 amendments: control (CONT), annual synthetic fertilizer N (F-N), annual synthetic fertilizer P (F-P), annual synthetic fertilizer N plus P (F-NP), annual N-based manure (M-N), annual P-based manure (M-P), three times the P-based manure once per 3 yr (M-3P), annual N-based compost (C-N), annual P-based compost (C-P), and three times the P-based compost once per 3 yr (C-3P). Amendments were arranged in randomized complete block design with five replicates and applied based on annual soil testing and nutrient recommendations. The test crops were triticale ()Triticosecale rimpaui Wittm.) and barley (Hordeum vulgare L.) silage managed under irrigation. Dry matter yields for CONT and F-P were significantly smaller than for the other treatments. There were generally no significant differences among the six organic and F-NP amendments. Apparent N recovery (ANR) was greatest for F-NP (45%) and F-N (41%), followed by the P-based organic amendments (26Á34%), M-N (15%), and smallest for C-N (10%). Apparent P recovery (APR) was greatest for F-NP (30%) and smallest for M-N (6%) and C-N (4%). The APR for the P-based organic amendments ranged from 14 to 22%. Application of the amendments did not result in the accumulation of excess nitrate N in the soil profile. The M-N and C-N amendments applied for 6 yr increased extractable P in the 0-to 0.15-m soil layer from 12 mg kg(1 to 121 and 156 mg kg (1 , respectively. Crop productivity and soil nutrient responses indicated that assumptions made for P and N availability in manure and compost were reasonably accurate. Based on the results, P-based application of manure or compost can achieve optimum crop yield and prevent nutrient build-up in soil. Under the conditions of this study, the amount of land required to accommodate P-based application would be five to seven times more for manure and eight to ten times more for compost compared with N-based application.

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Section: Manure Chemistry and Applicationsupporting

confidence: 91%

Nitrogen- and phosphorus-based applications of cattle manure and compost for irrigated cereal silage

Olson¹,

McKenzie²,

Larney³

et al. 2010

Can. J. Soil. Sci.

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“…However, there is strong indication that even in the case of SOM-rich permanent grasslands or pastures manure application increases SOC (Jones et al 2006;Olson and Papworth 2006;Dijkstra et al 2006) and that SOC saturation levels, as proposed by Stewart et al (2007), do not exist, or have not been reached yet. Together, there is evidence that the overall C balance of soil, provided similar amounts of manure are available, is not systematically different between, on the one hand, mixed (organic) systems where manure is applied within single farms or, on the other hand, specialized conventional farming that selectively spreads high rates of manure but only on a fraction of the conventional land.…”

Section: Management and Greenhouse Gases In Agriculturementioning

confidence: 99%

Organic Farming and Soil Carbon Sequestration: What Do We Really Know About the Benefits?

Leifeld

Fuhrer

2010

AMBIO

142

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Organic farming is believed to improve soil fertility by enhancing soil organic matter (SOM) contents. An important co-benefit would be the sequestration of carbon from atmospheric CO 2 . Such a positive effect has been suggested based on data from field experiments though many studies were not designed to address the issue of carbon sequestration. The aim of our study was to examine published data in order to identify possible flaws such as missing a proper baseline, carbon mass measurements, or lack of a clear distinction between conventional and organic farming practices, thereby attributing effects of specific practices to organic farming, which are not uniquely organic. A total of 68 data sets were analyzed from 32 peer-reviewed publications aiming to compare conventional with organic farming. The analysis revealed that after conversion, soil C content (SOC) in organic systems increased annually by 2.2% on average, whereas in conventional systems SOC did not change significantly. The majority of publications reported SOC concentrations rather than amounts thus neglecting possible changes in soil bulk density. 34 out of 68 data sets missed a true control with well-defined starting conditions. In 37 out of 50 cases, the amount of organic fertilizer in the organic system exceeded that applied in the compared conventional system, and in half of the cases crop rotations differed between systems. In the few studies where crop rotation and organic fertilization were comparable in both systems no consistent difference in SOC was found. From this data analysis, we conclude that the claim for beneficial effects of organic farming on SOC is premature and that reported advantages of organic farming for SOC are largely determined by higher and often disproportionate application of organic fertilizer compared to conventional farming.

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“…Use of compost in agriculture fields is must for sustainable agriculture. Organic fertilizer has beneficial effects including hydraulic conductivity, improves water holding capacity, regulates soil pH, enhances soil aggregation and reduces incidence of diseases (Olson and Papworth, 2006). Combining inorganic fertilizer and organic manure showed significant effect particularly on yield parameters of potato (Suh et al, 2015).…”

mentioning

confidence: 99%

Effect of Organic and Chemical Fertilizer On Growth and Yield of Potato (Solanum Tuberosum) Varieties in Nepal

Bhujel

Pant

Sapkota³

2021

SAARC J Agric

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An experiment was conducted to evaluate the yield performance of potato varieties with chemical and organic fertilizer at Chilime, Rasuwa. The experiment consisted of eight treatment combinations laid out in two factors Randomized Complete Block Design (RCBD) with three replications. Four potato varieties (Khumal-Seto-1, Khumal-Ujjwal, Janak-Dev and Kufri-Jyoti) with fertilizer (Recommended dose of chemical fertilizer (100:100:60 NPK kg ha-1) and organic farmyard manure (15 mt ha-1) were used to make eight treatment combinations. The results showed that Janak-Dev had the highest plant height (69.3 cm) and canopy diameter (60.92 cm). Khumal-Seto-1 had highest number of main stems per hill (3.75) which were statistically similar to Kufri-Jyoti (3.42) and Khumal-Ujjwal (3.25). Janak-Dev had the lowest number of main stems per hill (1.87). The effect of fertilizer was nonsignificant. Flowering occurred earlier in Janak-Dev at 61.17 days after sowing while Kufri-Jyoti flowered after 73.17 days after sowing. The highest number of tubers were found in Khumal-Seto-1 (9.167) and lowest in Janak-Dev (5.750). Number of tubers per plant was not affected by types of fertilizers used. Maximum weight of each tuber (107.7 grams), yield per plant (780 grams) and yield per hectare (37.1 mt ha-1) were obtained from Kufri-Jyoti. These parameters were the highest from chemical fertilizer application. This field experiment showed that Kufri-Jyoti with recommended dose of chemical fertilizer was appropriate to get optimum yield under Chilime condition. SAARC J. Agric., 19(1): 103-112 (2021)

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Soil chemical changes following manure application on irrigated alfalfa and rainfed timothy in southern Alberta

Cited by 9 publications

References 36 publications

Nitrogen- and phosphorus-based applications of cattle manure and compost for irrigated cereal silage

Nitrogen- and phosphorus-based applications of cattle manure and compost for irrigated cereal silage

Organic Farming and Soil Carbon Sequestration: What Do We Really Know About the Benefits?

Effect of Organic and Chemical Fertilizer On Growth and Yield of Potato (Solanum Tuberosum) Varieties in Nepal

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