Effects of organic fertilizer application and understory plant removal on the diversity of soil arthropods in poplar plantations

A field area coverage-planning algorithm has been developed for the optimization and simulation of capacitated field operations such as the organic fertilizer application process. The proposed model provides an optimal coverage plan, which includes the optimal sequence of the visited tracks with a designated application rate. The objective of this paper is to present a novel approach for route planning involving two simultaneous optimization criteria, non-working distance minimization and the optimization of application rates, for the capacitated field operations such as organic fertilizer application to improve the overall operational efficiency. The study and the developed algorithm have shown that it is possible to generate the optimized coverage plan based on the required defined capacity of the distributer. In this case, the capacity of the distributer is not considered a limiting factor for the farmers. To validate this new method, a shallow injection application process was considered, and the results of applying the optimization algorithm were compared with the conventional methods. The results show that the proposed method increase operational efficiency by 19.7%. Furthermore, the applicability of the proposed model in robotic application were demonstrated by way of two defined scenarios.

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Impact of Long-Term Organic Fertilizer Application on Lignin in Mollisol

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.113-116.1332 ◽

2010 ◽

Vol 113-116 ◽

pp. 1332-1335 ◽

Cited By ~ 1

Author(s):

Ning Liu ◽

Hong Bo He ◽

Hong Tu Xie ◽

Zhen Bai ◽

Xu Dong Zhang

Keyword(s):

Organic Carbon ◽

Organic Fertilizer ◽

Fertilizer Application ◽

Carbon Pools ◽

Organic Fertilization ◽

Degradation Degree ◽

Northeast Of China ◽

The Impact ◽

Cuo Oxidation

Fertilization is one of the essential managements to maintain and increase soil organic carbon (SOC) level in agroecosystems. It has been realized that fertilizer applications influenced the turnover of labile and refractory organic carbon pools in arable soil markedly. However, the dynamic of relatively refractory lignin in response to fertilization is still kept unclear. Therefore, the impact of long-term organic fertilization on the content and degradation degree of lignin in Mollisol was investigated. Lignin monomers were released by alkaline CuO oxidation method and quantified by gas chromatography (GC). At the time scale of decades, lignin was clearly accumulated in soil and the relative accumulation of lignin in SOC was evident after long-term organic fertilizer application. Compared with the unfertilized soil, lower acid to aldehyde ratios of vanillyl and syringyl units induced by organic fertilization suggested a lower degradation degree of lignin incorporated into soil to some extent. It could be concluded that long-term organic fertilization was an effective fertilizer practice for lignin accumulation in soil and SOC sequestration in Mollisol in northeast of China.

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Changes in Soil Arthropod Abundance and Community Structure across a Poplar Plantation Chronosequence in Reclaimed Coastal Saline Soil

Forests ◽

10.3390/f9100644 ◽

2018 ◽

Vol 9 (10) ◽

pp. 644 ◽

Cited By ~ 1

Author(s):

Yuanyuan Li ◽

Han Chen ◽

Qianyun Song ◽

Jiahui Liao ◽

Ziqian Xu ◽

...

Keyword(s):

Community Dynamics ◽

Stand Age ◽

Stand Development ◽

Soil Arthropods ◽

Total Abundance ◽

Soil Arthropod ◽

Plantation Development ◽

Poplar Plantations ◽

Hill Numbers ◽

One Year

Poplar plantations have the capacity to improve the properties of soils in muddy coastal areas; however, our understanding of the impacts of plantation development on soil arthropods remains limited. For this study, we determined the community dynamics of soil dwelling arthropods across poplar plantations of different ages (5-, 10-, and 21-years) over the course of one year in Eastern Coastal China. The total abundance of soil arthropods differed with stand development. Further, there were some interactions that involved the sampling date. On average, total abundance was highest in the 10-year-old stands and lowest in the 5-year-old stands. Total abundance exhibited strong age-dependent trends in June and September, but not in March or December. The abundance of Prostigmata and Oribatida increased in the 5- to 21-year-old stands, with the highest levels being in the 10-year-old stands. The abundance of Collembola increased with stand development; however, the stand age had no significant impact on the abundance of epedapic, hemiedaphic, and euedaphic Collembola. Order richness (Hill number q = 0) curve confidence intervals overlapped among three stand ages. Shannon and Simpson diversity (Hill numbers q = 1 and q = 2) differed between 10- and 21-year-old stand age. They showed almost similar trends, and the highest and lowest values were recorded in the 21- and 10-year-old stand ages, respectively. Permutational multivariate analysis of variance demonstrated that composition also varied significantly with the sampling date and stand age, and the 10-year-old stands that were sampled in June stood well-separated from the others. Indicator analysis revealed that Scolopendromorpha and Prostigmata were indicators in June for the 10-year-old stands, while Collembola were indicators for the 21-year-old stands sampled in September. Our results highlight that both stand development and climate seasonality can significantly impact soil arthropod community dynamics in the reclaimed coastal saline soils of managed poplar plantations.

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Serapan Hara N, P, K dan Pertumbuhan Tanaman Jagung Pada Berbagai Dosis Pupuk Anorganik dan Organik di Tanah Inceptisol

Jurnal Sains Teknologi & Lingkungan ◽

10.29303/jstl.v0i0.245 ◽

2021 ◽

pp. 55-66

Author(s):

Mulyati Mulyati ◽

Baharuddin AB ◽

R Sri Tejo Wulan

Keyword(s):

Plant Growth ◽

Nutrient Uptake ◽

Agronomic Traits ◽

Block Design ◽

Organic Fertilizer ◽

Fertilizer Application ◽

Organic Fertilizers ◽

Randomized Block Design ◽

Two Factors ◽

Inorganic And Organic

The use of inorganic fertilizers has an important role in increasing plant growth and production. But it also causes various problems such as decreasing soil organic matter, soil acidity, soil degradation, nutrient imbalance and increasing environmental pollution. Therefore, it needs to be balanced with the provision of organic fertilizers. A field experiment was conducted to study the effect of application of various doses of inorganic and organic fertilizers on N, P, K nutrient uptake and maize plant growth. The experimental design used was a randomized block design arranged in a factorial manner consisting of two factors. The first factor is the dose of inorganic fertilizer (A): 0, 150 and 300 kg ha-1 phonska and the second factor is organic fertilizer plus (P): 0, 10, 20 tons ha-1. The two factors were combined and each treatment combination was repeated three times. The data obtained were analyzed by analysis of variance at the 5% level of significance. The results showed that there was no interaction between the application of inorganic and organic fertilizers on the growth and nutrient uptake of N, P and K. However, the application of inorganic and organic fertilizers had a significant effect on all tested agronomic traits except for plant height. Nutrient uptake of N, P and K also increased significantly due to the application of inorganic and organic fertilizers. The balance of inorganic and organic fertilizer application increases the availability of nutrients as well as the uptake of N, P, and K nutrients by maize plants.

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Effect of organic and chemical fertilizers on the growth and production of soybean (Glycine max) in dry land

Revista Facultad Nacional de Agronomía Medellín ◽

10.15446/rfnam.v74n3.90967 ◽

2021 ◽

Vol 74 (3) ◽

pp. 9643-9653

Author(s):

Ratih Sandrakirana ◽

Zainal Arifin

Keyword(s):

Organic Fertilizer ◽

Measurement Data ◽

Fertilizer Application ◽

Chemical Fertilizer ◽

Organic Fertilizers ◽

Food Sources ◽

Size Analysis ◽

Fertilizer Treatment ◽

Dry Land ◽

Randomized Design

Soybean is known for its high protein content, which is the reason why it is widely used as one of the main food sources for humans and animals. In order to optimize soybean growth, farmers tend to add excessive dosage of chemical fertilizer to this crop. Furthermore, a continuous chemical fertilizer application without organic fertilizer addition may cause a rapid depletion of nutrients in the soil. This study aimed to evaluate the effectiveness of organic fertilizer treatment to reduce the amount of urea as chemical fertilizer needed in soybean cultivation. A complete randomized design was conducted using 21 treatments of organic and chemical fertilizer in triplicate with a 4x3 m plot size. Analysis of variance was carried out to compare the means of measurement data and Duncan multiple range test (DMRT 5%) was applied. The treatment 2,000 kg ha-1 compost + 50 kg ha-1 urea (O2K2A1) resulted the highest dry yield in soybean and had significant differences with urea-only treatment. A mixture of chemical and organic fertilizers had no significant result over the yield compared to the use of chemical fertilizer only. Compost application of 1,000-2,000 kg ha-1 with urea 50-100 kg ha-1 (O2K2A1 and O 2K1A2) showed an increase in seed yield of 35-38 % with a profit reaching 333-340 USD ha-1 compared to standard treatment using urea 50 kg ha -1 + SP-36 50 kg ha-1 + 50 KCl kg ha-1 (O0K0A1).

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Effects of Organic Fertilizer on Growth Performance and Postharvest Quality of Pak Choy (Brassica rapa subsp. chinensis L.)

AgroTech Food Science, Technology and Environment ◽

10.53797/agrotech.v1i1.6.2021 ◽

2021 ◽

Vol 1 (1) ◽

pp. 43-50

Author(s):

Nur Suhaida Mohamad ◽

Faizah Abu Kassim ◽

Norhanizan Usaizan ◽

Azimah Hamidon ◽

Zahir Shah Safari

Keyword(s):

Plant Growth ◽

Growth Performance ◽

Block Design ◽

Organic Fertilizer ◽

Fertilizer Application ◽

Leaf Length ◽

Leafy Vegetables ◽

Chicken Manure ◽

Postharvest Quality

Long-term use of inorganic fertilizers on leafy vegetables can increase soil acidity, harmful to the environment and leaving bad effects on human health. Organic fertilizer application is one of the safer alternatives with many beneficial effects by supplying nutrients for plant growth, environmental-friendly and producing an optimum quality of vegetables. Different organic amendment such as vermicompost, biochar and microbial compost has different effect on plant growth performance since good bacteria could improve structure of the soil and nutrient absorption. Therefore, this study aims to evaluate the effects of organic fertilizer on the growth performance and postharvest quality. The experimental design during planting was conducted in randomized completely block design with a factorial arrangement of treatmentswhile for postharvest quality study was conducted in completely randomized design. Organic fertilizer of vermicompost (110 g/plant), biochar (100 g/plant), microbial compost (80 g/plant) and chicken manure (37.5 g/plant) were treated on Pak choy two times on day 10 and day 24 after transplant. This research revealed the plant growth including plant height, leaf number and leaf length of Pak choy in all treatments were increased as growing stage increased. However, at the end of growing stage, microbial compost and vermicompost resulted in the highest of growth characteristics. In terms of postharvest quality, microbial compost showed the highest fresh weight and premium quality. This study proved that microbial compost at 80 g/plant exhibited optimum growth performance and the best postharvest quality of Pak choy.

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Utilization of water hyacinth (Eichhornia crassipies Mart Solms) as liquid fertilizer on the growth and yield of fluted pumpkin (Telfairia occidentalis)

South Asian Journal of Experimental Biology ◽

10.38150/sajeb.2(1).p33-37 ◽

2012 ◽

Vol 2 (1) ◽

pp. 33-37

Author(s):

K. O. Sanni ◽

J. M. Adesina

Keyword(s):

Water Hyacinth ◽

Organic Fertilizer ◽

Poultry Manure ◽

Fertilizer Application ◽

Growth And Yield ◽

Liquid Fertilizer ◽

Fluted Pumpkin ◽

Lagos State ◽

Number Of Leaves ◽

Planting Season

The present experiment was carried out during the 2010 planting season, atthe Teaching and Research Farms, School of Agriculture, Lagos State Polytechnic,Ikorodu, Lagos State with the view to produce liquid fertilizer fromwater hyacinth (Eichhornia crassipies) and compare its effectiveness withpoultry manure on the performance and yield of fluted pumpkin (Telfairiaoccidentalis). Data on number of leaves and length of main vine 2 weeksbefore fertilizer application (BFA) and 3, 6 and 9 weeks after fertilizer applicationÂ (WAFA) and the yield at harvesting were collected and subjected toÂ Analysis of Variance (ANOVA) and means compared using Least SignificanceÂ Difference (LSD). The results showed that at 3 WAFA, water hyacinth had theÂ highest number of leaves (245) and longest length main vine (2.04 cm) and inÂ terms of yield at harvesting, water hyacinth (16.08 kg) was not significantlyÂ different (P>0.05) compared to poultry manure (18.13 kg) application. FromÂ the study it can be concluded that water hyacinth liquid fertilizer can be utilizedÂ as good source of organic fertilizer for the growth of fluted pumpkin andÂ thus serve as veritable means of curbing the menace of water hyacinth onÂ our water ways.

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PENGARUH APLIKASI POC ( PUPUK ORGANIK CAIR ) URIN KAMBING DAN PESTISIDA ALAMI TERHADAP RESPON PERTUMBUHAN TANAMAN KACANG PANJANG ( Vigna sinensis L. ) BEDA VARIETAS DI DESA GUNUNG SELAMAT BILAH HULU LABUHAN BATU

J-PEN Borneo : Jurnal Ilmu Pertanian ◽

10.35334/jpen.v4i1.1958 ◽

2021 ◽

Vol 4 (1) ◽

Author(s):

Sarah Kristi Pertiwi ◽

Khairul Rizal ◽

Yudi Triyanto

Keyword(s):

Plant Growth ◽

Community Service ◽

Growth Response ◽

Organic Fertilizer ◽

Fertilizer Application ◽

Organic Fertilizers ◽

Vigna Sinensis ◽

Pests And Diseases ◽

Bean Plants ◽

Natural Pesticides

AbstractThe Effect Of POC (Liquid Organic Fertilizer) Application Of Goat Urine And Natural Pesticides On The Growth Response Of Long Bean (Vigna Sinensis L.) Plant In Mountain Village Bilah Hulu Labuhan Batu, Sarah Kristi Pertiwi1, Khairul Rizal S.TP, M.Si2, Yudi Triyanto SP, M.Si3 Program Studi Agroteknologi, Fakultas Sains dan Teknologi Universitas Labuhanbatu. Long beans (Vigna sinensis L.) are a vegetable plant as a source of vitamins and minerals. Long beans (Vigna sinensis L.) are also a type of legume that is widely cultivated in Indonesia. Gunung Selamat Village is one of the villages with a variety of agricultural crops, one of which is long beans (Vigna sinensis L.). However, this community service was carried out because of the many problems faced by farmers, which caused the growth of long beans (Vigna sinensis L.) to decline. The decline in production was caused, among others, by climate, soil, fertilizers, pests and diseases. Therefore, this community service is carried out to increase plant growth and reduce the use of synthetic fertilizers that can damage the soil ecosystem, therefore it is given the treatment of sprinkling liquid organic fertilizers on the soil and spraying vegetable pesticides from papaya leaves to prevent pests and diseases that attack long bean plants (Vigna sinensis L.). This treatment was designed to see the results of the growth rate response in long bean plants (Vigna sinensis L.). Keywords: Long Beans (Vigna sinensis L.), Liquid Organic Fertilizer, Natural Pesticides, Long Bean (Vigna sinensis L.) Plant Growth Response. AbstrakKacang Panjang (Vigna sinensis L.) merupakan salah satu tanaman sayuran sebagai sumber vitamin dan mineral. Kacang panjang (Vigna sinensis L.) juga merupakan jenis kacang-kacangan yang banyak diusahakan di Indonesia. Desa Gunung Selamat merupakan salah satu desa dengan penghasilan tanaman palawija yang beragam salah satunya kacang panjang (Vigna sinensis L.). Namun, pengabdian masyarakat ini dilakukan karena banyak permasalahan yang dihadapi oleh petani sehingga menyebabkan pertumbuhan kacang panjang (Vigna sinensis L.) menurun. Turunnya produksi ini antara lain disebabkan oleh iklim, tanah, pupuk, hama dan penyakit. Maka dari itu pengabdian masyarakat ini dilakukan untuk meningkatkan pertumbuhan tanaman serta mengurangi penggunaan pupuk sintetik yang dapat merusak ekosistem tanah, maka dari itu diberi perlakuan penyiraman pupuk organik cair pada tanah serta penyemprotan pestisida nabati dari daun pepaya untuk mencegah hama dan penyakit yang menyerang tanaman kacang panjang (Vigna sinensis L.). Perlakuan ini dibuat untuk melihat hasil respon tingkat pertumbuhan pada tanaman kacang panjang (Vigna sinensis L.).

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PENGARUH ASAM FULVAT TERHADAP PERTUMBUHAN, PRODUKTIVITAS, DAN MUTU RIMPANG JAHE

Jurnal Penelitian Tanaman Industri ◽

10.21082/jlittri.v7n1.2001.6-10 ◽

2020 ◽

Vol 7 (1) ◽

pp. 6

Author(s):

MUHAMAD DJAZULI ◽

IRENG DARWATI ◽

ROSITA SMD

Keyword(s):

Fulvic Acid ◽

Starch Content ◽

Block Design ◽

Organic Fertilizer ◽

Dry Weight ◽

Fertilizer Application ◽

Randomized Block Design ◽

Application Frequency ◽

Optimal Effect

Fulvic acid is an extraction product of humus which is very potential for supplement fertilizer and able to reduce either inorganic or organic fertilizer application. The information about fulvic acid application as supplement fertilizer on ginger in Indonesia is still limited. The objective of the study was lo find oul the efect of fulvic acid as supplement fertilizer on the growth, productivity and quality of young ginger. A green house trial was conducted from July lo November 1996. Five levels of fulvic acid concentration, 0, 2.5, 5, 7.5, and 10% were sprayed every week from 4 to 1 5 weeks ater planting (WAP). A randomized block design was used with five replicates. The results indicated that the growth of plant height and number of tiller of ginger increased rapidly al 8 WAP, then il became slowly from 12 lo 1 5 WAP Application 10% of fulvic acid was able to increase vegetative parts 99.6%, fresh and dry weight of rhizome 89 and 125% respectively, and starch content of rhizome 22.6%. To find oul of the optimal effect of fulvic acid on productivity and quality of ginger, a further research using higher level and application frequency of fulvic acid as an extract product from several humus types in Indonesia is needed.

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