Effects of Foliar Fertilizers and Growth Regulators on Alfalfa Yield and Quality

Hall, M. H.; Stout, Robert; Smiles, W. S.

doi:10.1094/cm-2002-0429-01-rs

Cited by 2 publications

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“…According to a number of studies bio-based products contribute to increase the rate of photosynthesis and enhance metabolism (Popov and Dzimotudis, 2007) and positively affect the yield structural components (Churkova, 2008). On the contrary, Hall et al (2002) in a study on the effectiveness and profitability of foliar fertilizers and growth regulators applied in alfalfa found that none of the tested foliar applied products increased stem density. Data regarding green mass yield of the alfalfa stand under different treatments both in the year of crop establishment and two production years were given in Table 4.…”

Section: Resultsmentioning

confidence: 99%

ЕFFECT OF BIOSTIMULANTS FOLIAR APPLICATION ON FORAGE YIELD IN ALFALFA (Medicago sativa L.)

Marinova

Stoyanova²,

Petrova³

2023

Turkish Journal of Field Crops

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The present study was aimed to determine the effect of V2, VR10 and VR1 experimental biostimulants application on yield related main traits (plant height and stems number per m2) and on forage productivity of Prista 4 alfalfa variety. The study was carried out in Experimental field at Institute of Agriculture and Seed Science "Obraztsov chiflik" - Ruse, from 2019 to 2021. The biostimulants were foliarly applied two times in each regrowth. There was found positive effect of the biostimulants application on the growth and development of alfalfa. The additional introducing of VR10 and VR1 biostimulants contributed to higher alfalfa grass stands by 17.13 and 14.36%, respectively compared to control. Foliar spraying with V2 biostimulant had more clear pronounced positive effect on the stem development. According to the three-year results the average stems number per m2 at V2 treatment significant exceeded the control by 4.78%. V2 biostimulant distinguished with a stronger positive effect on the forage productivity among studied products. Its application resulted in significant increases on green mass and dry matter yields by 3.72 and 4.96%, respectively over the control. V2 application gives promising results and reason to be recommended as a corrective component in technology of growing alfalfa for forage.

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Section: Resultsmentioning

confidence: 99%

ЕFFECT OF BIOSTIMULANTS FOLIAR APPLICATION ON FORAGE YIELD IN ALFALFA (Medicago sativa L.)

Marinova

Stoyanova²,

Petrova³

2023

Turkish Journal of Field Crops

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“…Crude protein was not affected by B in this study, nor in the research performed by Rouquette et al (2001). Another study in Pennsylvania showed no effect of foliar‐applied B products on alfalfa yield and quality (Hall et al, 2002). Sapkota et al (2018) also reported no effect of B on the forage quality of alfalfa in a study conducted in Montana.…”

Section: Discussionmentioning

confidence: 99%

Applied Boron Increases Alfalfa Petiole Boron Concentration across Water Regimes, Not Yield

et al. 2019

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Boron (B) fertilization based on soil B status may prevent negative effects on alfalfa (Medicago sativa L.) yield and quality. Our objective was to determine the effects of foliar-applied B and water regimes on alfalfa yield and quality. A 2-yr (2016)(2017) study was done at Creston, MT in a fine sandy loam soil that tested 0.2 mg kg -1 B. Alfalfa was planted in 2016. Levels of B ranging from 0 to 2.24 kg B ha -1 were applied in association with three water regimes including rainfed, 50%, and 100% evapotranspiration (ET). There was no effect of B on yield or crude protein (P > 0.05) in either year. Both B fertilization and irrigation application increased petiole B concentration. In 2017, the water regime × B level interaction was significant specifically for the yield of the second cutting (P = 0.02), as well as for the relative feed value, neutral detergent fiber, and petiole B concentration in the third cutting (P < 0.05). Irrigation decreased (P < 0.01) forage quality only in the second cutting of 2016. Irrigation increased alfalfa yield by 45% in the establishment year (2016), but only by 12% in the following year. However, there was no yield difference observed (P > 0.05) between the 100ET and 50ET treatments each year, and irrigation water productivity decreased in the second year of alfalfa growth. The foliar application of B on a B-deficient soil did not increase yield or crude protein content of alfalfa, regardless of soil moisture availability. core Ideas• Application of B or irrigation increase petiole B concentration of alfalfa. • Increases of petiole B due to B fertilization did not increase alfalfa yield and crude protein.• Deficit irrigation did not reduce yield in alfalfa.• Regardless of water regime, application of B on B-deficient soil did not improve yield and crude protein of alfalfa.

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Effects of Foliar Fertilizers and Growth Regulators on Alfalfa Yield and Quality

Cited by 2 publications

References 0 publications

ЕFFECT OF BIOSTIMULANTS FOLIAR APPLICATION ON FORAGE YIELD IN ALFALFA (Medicago sativa L.)

ЕFFECT OF BIOSTIMULANTS FOLIAR APPLICATION ON FORAGE YIELD IN ALFALFA (Medicago sativa L.)

Applied Boron Increases Alfalfa Petiole Boron Concentration across Water Regimes, Not Yield

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