Evaluation of the Physio-Chemical and Microbial Properties of Green Tea Waste-Rice Bran Compost and the Effect of the Compost on Spinach Production

Khan, Mohammad Ashik Iqbal; Ueno, K.; Horimoto, Sakae; Komai, Fuminori; Tanaka, Kinji; Ono, Yoshitaka

doi:10.1626/pps.10.391

Cited by 22 publications

(9 citation statements)

References 30 publications

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“…Many researchers have reported that tea residues could be used as adsorbent for Cesium [Cs (I)] (Gurung et al, 2013), Mercury (Hg) (Shen et al, 2017), and Chromium [Cr (VI)] (Ahsan et al, 2018). HTRs can also be used as composting materials to enhance soil fertility because of their high content of organic matter and nitrogen (Iqbal Khan et al, 2007). Moreover, some studies have shown that tea residues, because of their high content of polysaccharides and alkaloids, could be used as feed additives to improve the meat quality of goats (Zhong et al, 2009), change the gut environment of weaned piglets (Su et al, 2018), and improve the immune function in dairy cows under heat stress conditions (Shan et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Effects of Fermented Herbal Tea Residues on the Intestinal Microbiota Characteristics of Holstein Heifers Under Heat Stress

et al. 2020

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Herbal tea residue (HTR) is a reusable resource with high nutritional value and bioactive substances content, which can be used as a feed additive. In the present study, HTRs were fermented by lactic acid bacteria, and then fed to a total of 90 Holstein heifers, termed as CN, LC, and HC groups. The supplementation improved physiological indices of respiratory frequency and rectal temperature, increased the concentrations of immunoglobulins and antioxidant capacity-related parameters, and reduced the concentrations of heat stress-related parameters and serum hormones. The heifers' body height increased considerably, while their energy metabolism rates were stimulated in response to fermented HTRs. We also studied the fecal microbial community composition of 8 Holstein heifers in each group, and employed correlation analysis with tested parameters. We found that the bacteria were closely related to characteristics including the energy utilization rate, growth performance, serum biochemical indexes, and fecal SCFA levels of the heifers. Based on our findings, the 5% fermented HTRs replaced corn silage might be advantageous for the heifers' characteristics under heat stress.

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Section: Introductionmentioning

confidence: 99%

Effects of Fermented Herbal Tea Residues on the Intestinal Microbiota Characteristics of Holstein Heifers Under Heat Stress

et al. 2020

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“…Accumulation of TC and TN were directly proportional to each other in the orchard and the upland fields. At the same time, levels of TC and TP did not correspond, suggesting that TP-rich organic materials exist in nature (e.g., rice bran and bone meal) [18] [38]. Because TP levels in leaves and wood are relatively low, TP management in orchard fields using TP-rich organic materials is needed.…”

Section: Discussionmentioning

confidence: 99%

Characterization of Orchard Fields Based on Soil Fertility Index (SOFIX)

Pholkaw¹,

Tran²,

Kai³

et al. 2020

JACEN

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Soil samples from 139 agricultural orchard fields (apple, grape, tea, and others) were analyzed using the soil fertility index. From these samples, an orchard field database was constructed and the soil properties between orchard, upland, and paddy fields were compared. The average value of bacterial biomass in the orchard fields was 7.4 × 10 8 cells/g-soil, ranging from not detected (lower than 6.6 × 10 6 cells/g-soil) to 7.7 × 10 9 cells/g-soil. The average values of total carbon (TC), total nitrogen (TN), total phosphorus (TP), and total potassium (TK), were 24,000 mg/kg (2670 to 128,100 mg/kg), 1460 mg/kg (133 to 6400 mg/kg), 1030 mg/kg (142 to 5362 mg/kg), and 5370 mg/kg (1214 to 18,155 mg/kg), respectively. The C/N and C/P ratios were 19 (3 to 85) and 27 (2 to 101), respectively. Soil properties of the orchard fields were compared with those of the upland and the paddy fields. The average value of bacterial biomass in the orchard fields was almost the same as that in the upland fields (8.0 × 10 8 cells/g-soil), but the number was lower than that in the paddy fields (12.9 × 10 8 cells/g-soil). The average values of TC and TN in the orchard fields fell between those in the upland fields (TC: 33,120 mg/kg, TN: 2010 mg/kg) and the paddy fields (TC: 15,420 mg/kg, TN: 1080 mg/kg). The relationship between the bacterial biomass and TC in the orchard fields resembled that in the upland fields. A suitable soil condition for the orchard fields was determined as TC: ≥25,000 mg/kg, TN: ≥1500 mg/kg, TP: ≥900 mg/kg and TK: 2500-10,000 mg/kg. These recommended values will be effective for the improvement of the soil quality in the orchard fields by enhancing the number and activities of microorganisms.

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“…Todos los fertilizantes tuvieron conductividades por debajo de los valores recomendados, se observa que el suelo agrícola tuvo el valor más bajo, indicando que tiene muy bajo contenido de sales. Los valores encontrados están en el intervalo que reportan Iqbal et al (2007) quienes indican valores de conductividades entre 2,4 y 10,8 dS m -1 para compostas preparadas con residuos de té verde y salvado de arroz; el valor tan alto lo atribuyen al salvado, que es rico en sales minerales.…”

Section: Análisis a Los Fertilizantes Orgánicosunclassified

“…Esta observación es similar a lo reportado por Iqbal et al (2007), quienes indican que el crecimiento de la espinaca incrementó significativamente respecto al control sin fertilización, el efecto observado dependió de la naturaleza de los materiales usados para el compostaje. Los pesos que registraron fueron entre 27.5 y 45.4 g por planta y se obtuvo con la adición de compostas con residuos de te verde y salvado de arroz.…”

Section: Mediciones a La Espinacaunclassified

Evaluación de biol, bocashi, composta y vermicomposta en las variables morfológicas del cultivo de espinaca (Spinacia oleracea L.) / Evaluation of digestate, bocashi, compost and vermicompost on the morphological variables in spinach crop (Spinacia oleracea L.)

Solís-Oba¹,

Rivera²,

Luna³

et al. 2021

Braz. J. Anim. Environ. Res.

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Hay suelos agrícolas que muestran un marcado grado de erosión, esto repercute en la reducción de la producción agrícola, haciéndola insuficiente para la creciente demanda de alimentos; para hacer frente a esta demanda se han utilizado fertilizantes químicos sin embargo el uso excesivo de estos afecta negativamente al suelo. Una alternativa es el uso de fertilizantes orgánicos, como son: los bioles, la composta, la vermicomposta y el bocashi, estos se elaboran a partir de cualquier residuo orgánico no tóxico. En este trabajo se prepararon bioles con estiércoles de vaca, cabra y borrego; composta, bocashi y vermicomposta se prepararon con estiércol de vaca y residuos vegetales. Posteriormente se evaluó su uso como fertilizantes en el cultivo de espinaca; el control positivo fue usando fertilizante químico y el testigo suelo sin ninguna fertilización. En general con todos los fertilizantes se obtuvieron valores similares a los encontrados con la fertilización química y mayores que en el testigo: las alturas fueron entre el 14 y el 49% superiores; los pesos de las hojas entre 16 y el 53% y el área foliar entre 67 a 264% mayores que en el testigo. Los mejores fertilizantes fueron el bocashi y la composta. Los estiércoles independientemente de donde provengan, son una fuente interesante de materiales para preparar fertilizantes orgánicos.

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Evaluation of the Physio-Chemical and Microbial Properties of Green Tea Waste-Rice Bran Compost and the Effect of the Compost on Spinach Production

Cited by 22 publications

References 30 publications

Effects of Fermented Herbal Tea Residues on the Intestinal Microbiota Characteristics of Holstein Heifers Under Heat Stress

Effects of Fermented Herbal Tea Residues on the Intestinal Microbiota Characteristics of Holstein Heifers Under Heat Stress

Characterization of Orchard Fields Based on Soil Fertility Index (SOFIX)

Evaluación de biol, bocashi, composta y vermicomposta en las variables morfológicas del cultivo de espinaca (Spinacia oleracea L.) / Evaluation of digestate, bocashi, compost and vermicompost on the morphological variables in spinach crop (Spinacia oleracea L.)

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