Physicochemical properties of vermicompost-based substrate mixtures and their effects on the nutrient uptake and growth of muskmelon (<i>Cucumis melo</i>L.) seedlings

Vo, Hoang-Tung; Wang, C.H.

doi:10.1080/01448765.2014.885851

Cited by 9 publications

(6 citation statements)

References 17 publications

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“…Higher yields were obtained in the substrates containing higher proportions of vermicompost (40V60CF and 60V40CF) ( p < 0.05). These results coincide with those of some authors stating that in C. melo , a higher proportion of vermicompost presented more cations and anions; as a result, plants have enough available nutrients for growth and production (Vo & Wang, 2014). Joshi, Singh, and Adarsh (2015) also stated that the nutritional richness present in vermicompost is fully available for plants as long as they have an adequate balance or percentage in their ability to exchange cations.…”

Section: Resultssupporting

confidence: 91%

“…This technique has been used in ecological agricultural production systems to cultivate crops without soil (Lim, Wu, Lim, & Shak, 2015). It has been demonstrated that organic substrates such as vermicompost (V) and coconut fiber (CF) can be successfully used in soilless containers (Vo & Wang, 2014). In addition, vermicompost displays a number of nutritional advantages that are related to its formation process.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of physicochemical properties and enzymatic activity of organic substrates during four crop cycles in soilless containers

Guerra

Sanjuán

López

2018

Food Science & Nutrition

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BackgroundOrganic soilless production in containers requires substrates with appropriate physicochemical and biological properties to ensure that production is sustainable and profitable for several production cycles. The main objective of this study was to comprehensively evaluate these properties in three different mixtures of organic substrates (vermicompost [V] and coconut fibers [CF] in ratios 20V80CF, 40V60CF, 60V40CF) for four horticultural crop production cycles (PCs) using vermicompost tea (VT) as the main source of nutrients.ResultsReadily available water (25%) in the control treatment (20V80CF) was below the recommended limit, and dry bulk density (>450 g/L) surpassed the recommended limit in the 60V40CF treatment (p < 0.05). In terms of chemical properties, cations and anions in the saturated media extract decreased significantly to values below established optimal conditions. Furthermore, the substrates presented high enzymatic activity in successive production cycles (p < 0.05), including dehydrogenase (350–400 μg TFF g−1), acid phosphatase (4,700 μg p‐nitrophenol g−1 soil hr−1), and β‐glucosidase (1,200 μg p‐nitrophenol g−1 soil hr−1) activity during transformation from organic matter to inorganic compounds.ConclusionThe 40V60CF treatment presents adequate physicochemical and biological characteristics for reuse for more than four growing cycles when organic supplements are administered.

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Section: Resultssupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Evaluation of physicochemical properties and enzymatic activity of organic substrates during four crop cycles in soilless containers

Guerra

Sanjuán

López

2018

Food Science & Nutrition

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“…The maximum seedling quality parameters obtained in the present study was due to the presence of vermicompost, which contained an optimum concentration of nutrients that helped in improving the seedling vigour. This result was supported with increased germination rate, seedling length and vigour in muskmelon (Vo and Wang, 2014) (2020) reported that the preparation of subabul seed balls with a combination of red soil and vermicompost had an positive effect on seedling quality improvement in subabul seeds. The use of a high ratio of vermicompost caused a reduction in seed germination and seedling vigour.…”

Section: Resultsmentioning

confidence: 63%

Standardization of seed ball media for fodder sorghum to increase green cover and fodder availability in degraded lands

Tamilarasan

Jerlin

Raja

2021

JANS

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Fodder sorghum (Sorghum bicolor L.) is a tall, erect annual grass. It is a drought resistant crop due to its effective root system. A seed ball is one of the low-cost technologies which was prepared with locally available materials on the farm. In seed balls, the seeds are protected from external factors. At the same time, vigorous seedling was established through seed ball. In order to improve the degraded lands with green cover, the following experiment was framed and carried out. Seed balls were prepared with a combination of red soil and vermicompost at different ratios with 230-250ml of water per kg of medium to get an optimum size and quality. After the preparation, seed balls were shade dried for 24-36 hrs. Among the different ratio of media combinations, 2:1 and 4:2 ratio was found to be the best media for seed balls preparation with good physical and physiological qualities. The maximum seedling quality parameters speed of germination (7.6), germination (98%), root length (10.6 cm), shoot length (19.4 cm) and vigour index (2900) obtained in the present study were due to vermicompost, which contained an optimum concentration of nutrients that helped improve the seedling vigour. This experiment confirmed that using seed balls with best media combinations for the regeneration of degraded lands was very effective.

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“…To improve the efficiency of the grafted seedless watermelon, five groups of the growing substrates were set by using the volume ratio of peat and perlite. The AP and WHP are important factors in the seedling substrate (Harp et al, 2015;Vo and Wang, 2014). The AP represents the pores that provide aeration to the substrate without retaining water (Barreto and Testezlaf, 2015).…”

Section: Screening the Optimal Matrix Formulationmentioning

confidence: 99%

Improving the grafted-plant rate in triploid watermelons by optimizing the water moisture in substrates and the usage of scion

Zhang

Wang

Tian

et al. 2018

Folia Horticulturae

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The cost of growing triploid watermelon seedlings has increased due to their low-efficiency grafting. The first priority in growing seedless watermelon seedlings is increasing the grafted-plant and seed-utilization rates. This study aimed to improve the grafted-plant rate by screening the most suitable substrate formulation, optimizing water moisture in the substrate, and evaluating the effect of different scions to improve seed-utilization rate. Five combinations of substrate (S1 to S5) and seven relative humidity levels (45%, 50%, 55%, 60%, 65%, 70%, and 75%) were used. Three types of scions (yellow bud, Ts-1; two cotyledons did not unfold, Ts-2; and first true leaf appeared, Ts-3) were tested. Results showed that the combination of S1 exhibited the best seed-utilization rate which was 71.6%. Moreover, the most suitable water moisture in the substrate ranged from 50% to 55%. The usage of the scion from Ts-3 significantly increased the grafting survival, grafted plant and seed-utilization rates by 13.7%, 10.1% and 22%, respectively, compared with the conventional method. Our study suggested that the best time to use the scion and the rootstock was during the seedling stage when the first true leaf unfolded. The proposed method decreased the production cost of seedlings and significantly improved the efficiency of grafting procedures. The results of this work are applicable to the technique of growing seedlings and can thus guide growers of high-quality grafted plants of triploid watermelon.

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Physicochemical properties of vermicompost-based substrate mixtures and their effects on the nutrient uptake and growth of muskmelon (Cucumis meloL.) seedlings

Cited by 9 publications

References 17 publications

Evaluation of physicochemical properties and enzymatic activity of organic substrates during four crop cycles in soilless containers

Evaluation of physicochemical properties and enzymatic activity of organic substrates during four crop cycles in soilless containers

Standardization of seed ball media for fodder sorghum to increase green cover and fodder availability in degraded lands

Improving the grafted-plant rate in triploid watermelons by optimizing the water moisture in substrates and the usage of scion

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