Sorghum Grain and Stover Nutrient Concentrations as Influenced by Tillage, Cropping System and Soil Amendment

Siébou, Ale; Stephen, C Mason; Jean-Baptiste, Taonda Sibiri; Sermé, Idriss; Adama, Sohoro

doi:10.35410/ijaeb.2021.5637

Cited by 1 publication

(4 citation statements)

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“…Nutrient concentrations for N, P, Mg, S, Fe and Zn were adequate to meet human nutritional requirements, while K Ca, Mn, and Cu were low [12,13] and may need to be supplemented in human diets. Grain nutrient concentrations were similar to those reported by Pale et al [7][8][9], Wortman et al [15], Mabelebele et al [16], Liboreiro Paiva et al [18] and van Duivenbooden [19], except for (1) grain Ca being lower than for several references, (2) Fe being higher except for Pale et al [7][8][9], (3) grain Zn concentration being much lower than Wortmann et al [15], and (4) grain Cu concentration being higher than most references. Clearly, wide variation in sorghum grain concentration occurs across years and the world.…”

Section: Sorghum Grain Nutrient Concentrationssupporting

confidence: 89%

“…In contrast to previous studies [7][8][9], tillage, cropping system and soil amendment had no influence on the stover nutrient concentrations in spite of having influence on stover yields [4][5][6]. Mean stover nutrient concentrations indicated that N, P, Mg, Fe and Zn were adequate to meet cattle nutritional requirements, while K, Ca, S, Mn and Cu were inadequate [14].…”

Section: Sorghum Stover Nutrient Concentrationscontrasting

confidence: 68%

“…Stover nutrient concentrations at physiological maturity were adequate for P, Mg, S, Fe, Zn, Mn, and Cu, but inadequate for N, K and Ca which may have been deficient earlier during reproductive growth [22,23]. Stover N and P concentrations were higher than other world reports, but lower for K and Ca stover concentrations [7][8][9][19][20][21]. Concentrations for stover Mg was lower than other reports except for Palé et al [9].…”

Section: Sorghum Stover Nutrient Concentrationsmentioning

confidence: 97%

“…and sorghum grain and stover yields increased with use of zaï or tied ridges combined with compost and fertilizer application [4][5][6]. Tillage and soil amendment has been shown to have only a small influence on sole and intercropped pearl millet and sorghum grain nutrient concentrations [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

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Tillage, sole and intercrop systems and soil amendment influence on sorghum grain and stover nutrient levels

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Sorghum [Sorghum bicolor (L) Moench) is a major grain crop in Burkina Faso. A three-year experiment was conducted in the Sudanian zone to determine the combined effects of tillage methods (T) and cropping systems with different soil amendments (CS/SA) on plant nutrient concentrations and related this to human and cattle nutrient requirements. The analysis of variance indicated that tillage, soil amendment nor cropping system affected the stover nutrient concentration of grain sorghum. Nitrogen, P, K, S, Ca, Mg, Zn, Mn and Cu concentrations in grain were all influenced by the Y x T interaction largely due to increased nutrient concentrations for no-till in 2012 and tied ridges in 2013. As grain yield increased, grain N, Ca, Mg and Mn concentrations decreased while P and Zn increased. Grain N, P, Mg, S, Fe and Zn concentrations met human nutritional requirements, while K, Ca, Mn and Cu were deficient and merited supplementation. Nutrient gross means indicated that cattle nutrient requirements were met for N, P, Mg, Fe and Zn, but low for K, Ca, S, Mn and Cu. Tillage, CS/SA and Y had no or small effects on the nutrient concentrations of sorghum grain and stover. The agroecological zones in 2012 and 2013 indicated most nutrients to be adequate for human and cattle diets, but not for K, Ca, Mn and Cu.

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