Potassium requirement for leaf biomass yield and K nutrition of stevia

Maniruzzaman,; Chowdhury, Tanzin; Rahman, M. A.; ., M. Raihanul Islam Chowdhury

doi:10.5455/faa.276431

Cited by 2 publications

(1 citation statement)

References 9 publications

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“…These effects increased soil fertility and subsequently increase the growth and yield of sativa plant. These findings confirmed by those obtained by Hossain et al (2017) and Maniruzzaman et al (2017).…”

Section: Dry Leaf Yield and Biological Yieldsupporting

confidence: 91%

Role of organic food wastes on soil fertility and stevia crop growth and its yield

Khalifa¹,

Youssef

Abd‐ElGawad

2020

Egypt.J. Soil Sci.

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during two successive growing seasons of 2018 and 2019. The study aims to assess the influence of organic food wastes (Eggshell, Banana peels, Green pea peels and Potato peels) are sources of some nutrients and Soybean protein isolate as a source of nitrogen on the soil fertility, growth parameters, yield and quality of stevia plant under drip irrigation system. The result showed positive increase in all growth parameters and yield of sativa plant as well as improving soil properties by adding organic food wastes. The most effective treatment was the combination of C 4 treatment (50% organic-N from isolated soy protein, 12.5% banana peels, 12.5% eggshell, 12.5% green pea peels and 12.5% potato peels). The highest total chlorophyll value of 4.48 and 3.61 mg/g fresh weight in the 1 st and 2 nd cutting, respectively in the 1 st season were obtained under C 4 treatment. The corresponding values were 4.89 and 4.02 mg/g fresh weight in the 2 nd season. The highest values of dry leaf yield 843 kg plot-1 and biological yield 1.60 kg plot-1 were noticed under C 2 treatment in the 2 nd cut in the first season. In the second season, the corresponding values were 1242 and 2.19 kg plot-1 resulted from C 4 treatment in the 2 nd cut. The highest values of protein content 10.73 and 13.72% in 1 st and 2 nd cut, respectively were realized under C 4 treatment in the 1 st season. The corresponding values were 15.0 and 18.11% for C 4 treatment in the 2 nd season. In the 1 st season, the highest values of stevioside content were 8.49 and 8.98 % in the 1 st and 2 nd cut for C 4 and C 2 , respectively. In the 2 nd season, the highest values of stevioside content were 9.69 and 10.05 % in the 1 st and 2 nd cut for C 2 treatments, respectively. Available N in C 0 treatment Control (without applied fertilizers) had the lowest values of both seasons compared to the C 4 treatment that had the highest values of both forms in both seasons. The overall results suggest that organic food wastes combination could be advised to grow stevia plant and improving soil properties of Egypt.

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Section: Dry Leaf Yield and Biological Yieldsupporting

confidence: 91%