Diagnosis of plant nutrient and growth responses on fertilization with vector analysis and morphological index

Bae, Ki Kang; Park, Byung-Bae; Park, Go Eun

doi:10.1080/21580103.2014.931257

Cited by 8 publications

(7 citation statements)

References 14 publications

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“…where SD is seedling dry weight (g), HD is height (cm) to rcD ratio (mm), and SR is shoot dry weight (g) to root dry weight (g) ratio (Deans et al 1989;Bayala et al 2009;Park et al 2015).…”

Section: Dickson's Quality Indexmentioning

confidence: 99%

The effects of biochars on the growth of Zelkova serrata seedlings in a containerized seedling production system

Cho

Meng

Song

et al. 2017

Forest Science and Technology

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Biochar has been used for soil improvement in agriculture; however, there are few studies of its uses in forestry. The purpose of this study was to investigate the effects of biochar, made from diverse feedstocks on the growth and chlorophyll content of Zelkova serrata seedlings, to identify optimal feedstocks in a containerized seedling production. Five resources were used for biochar: woodchips of Pinus densiflora and Quercus acutissima; cones of Pinus koraiensis; rice husks; and crab shells. The biochar was mixed with growing medium by 20% in volume and two levels of fertilization were applied. The height and root collar diameter of Z. serrata treated with wood chips of P. densiflora and Q. acutissima and rice husk were each significantly greater than those treated with pine cones and crab shells. The biomass responses and quality indexes were similar to those of height and root collar diameter. There were no significant differences in growth between fertilization levels. This study shows that biochar made from woodchips of P. densiflora and Q. acutissima and rice husk can be substituted for growing medium by 20% in a containerized seedling production system.

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“…where SD is seedling dry weight (g), HD is height (cm) to rcD ratio (mm), and SR is shoot dry weight (g) to root dry weight (g) ratio (Deans et al 1989;Bayala et al 2009;Park et al 2015).…”

Section: Dickson's Quality Indexmentioning

confidence: 99%

The effects of biochars on the growth of Zelkova serrata seedlings in a containerized seedling production system

Cho

Meng

Song

et al. 2017

Forest Science and Technology

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“…JM 218 and N 5 Ns30RF that produced more values of growth parameter and showed superiority over other treatments, which might have brought significant differences under these (JM 218 and N 5 ) treatments. Appropriate N management caused significant effect on plant height, root length, stem diameter, shoot dry matter and total dry matter which resulted in higher DQI value [58,59]. According to Dias et al [60] suitable cultivar selection, better management of nitrogen, and increasing nitrogen doses have produced higher values of DQI.…”

Section: Mineral Content (%)mentioning

confidence: 99%

Sustainability in Rainfed Maize (Zea mays L.) Production Using Choice of Corn Variety and Nitrogen Scheduling

Thakur

Singh

et al. 2022

Sustainability

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Interestingly more than 50% of the world’s area is rainfed and approximately 80% of maize is cultivated under rainfed condition where selection of cultivar and management of nitrogen have major impact on production. The aim of this study was to evaluate the growth, phenology, yield and quality parameters of maize as influenced by variety and nitrogen scheduling under rainfed condition. For this, a field experiment having two factors was laid out in a factorial randomised block design and replicated three times. The first factor was variety, i.e., V1 (JM 216) and V2 (JM 218), and the second was six nitrogen scheduling, i.e., N1 to N6, in which nitrogen splitting was done based on 30-years of average rainfall data. Variety JM 218 and N5 [40 kg N as basal followed by (fb) 2 splits of 40 kg N and 38.8 kg N at 30 and 52 days after sowing (DAS) and 1% N foliar spray at 40 DAS] nitrogen scheduling were found promising under rainfed situation because it recorded maximum value of growth parameters, yield attributes, grain yield and quality parameters (protein, mineral and dickson quality index). Thus, it can be inferred that JM 218 and N5 nitrogen schedule would be a better choice than alternative options.

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“…where SD is seedling dry weight (g), HD is height (cm) to rcD ratio (mm), and SR is shoot to root dry weight ratio (Deans et al 1989;Bayala et al 2009;Park et al 2015).…”

Section: Dickson's Quality Indexmentioning

confidence: 99%

Torrefied wood effects on the seedling quality of Zelkova serrata and Fraxinus rhynchophylla in a containerized production system

Han

Meng

Rahman

et al. 2017

Forest Science and Technology

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Biochar can be used as a kind of soil amendment in crop production, but there are few studies on containerized seedling production in forestry. The purpose of this study was to investigate the amount of torrefied wood to mix with growing medium for Zelkova serrata and Fraxinus rhynchophylla seedling production in a containerized system. We used torrefied wood made from chips of Quercus accutissima, which was mixed with growing medium by 0%, 10%, 20%, 30%, and 40% in volume. We applied two levels of 0.5 g/L (1£) and 1.0 g/L (2£) commercial fertilizer for fertilization treatment. Generally, growth parameters such as height, root collar diameter, and dry weight were comparable among 0%, 10%, and 20% mixed ratios, but those at 30% and 40% mixed ratio were lower than other mixed ratios. The 2£ fertilization significantly increased height by 29%, root collar diameter by 18%, total dry weight by 52%, and quality index by 31.4% compared to the 1£ fertilization across mixed ratios. Our results suggest that torrefied wood can be substitutable for 20% of the growth medium in total volume in containerized Zelkova serrata and Fraxinus rhynchophylla seedling production systems.

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Diagnosis of plant nutrient and growth responses on fertilization with vector analysis and morphological index

Cited by 8 publications

References 14 publications

The effects of biochars on the growth of Zelkova serrata seedlings in a containerized seedling production system

The effects of biochars on the growth of Zelkova serrata seedlings in a containerized seedling production system

Sustainability in Rainfed Maize (Zea mays L.) Production Using Choice of Corn Variety and Nitrogen Scheduling

Torrefied wood effects on the seedling quality of Zelkova serrata and Fraxinus rhynchophylla in a containerized production system

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