scholarly journals ALLELOPATHIC INFLUENCE OF CYPERUS ROTUNDUS L. AND CYNODAN DACTYLON L. ON PHYSICO- CHEMICAL AND BIOLOGICAL PROPERTIES OF SOIL

2015 ◽  
Vol 2 (2) ◽  
pp. 151-154
Author(s):  
Kavitha D ◽  
Prabhakaran J
Keyword(s):  
Biological Properties ◽  
Cyperus Rotundus ◽  
Plant Production ◽  
Microbial Populations ◽  
Agricultural Systems ◽  
Rice Seedlings ◽  
Weed Species ◽  
Physico Chemical ◽  
Experimental Soil ◽  
Properties Of Soil

In agricultural systems, allelopathy can be part of the interference between crops and between crops and weeds through soil mediated mechanism and thereby affecting the economical outcome of the plant production. Allelopathic influence of various concentrations of aqueous extracts of two weed species ie.Cyperusrotundus L. and Cynodan dactylon L. were assessed on physico-chemical and biological properties of rice seedlings grown experimental pot soil. The results revealed that the percentage of NPK levels was minimum in the lower concentrations of two weed extracts than their higher concentration. Among NPKcontents, the nitrogen was found higher percentage followed by potassium and phosphorus in all the experimental soil. The population of bacterial, fungi, actinomycetes and total microbial populations were gradually decreased with increasing the concentration of weed extracts and more reduction on microbes wasfound in C.rotundus than C.dactylon applied soil

scholarly journals Biochemical and Biological Properties of Soil from Murundus Wetlands Converted into Agricultural Systems

2019 ◽  
Vol 43 ◽  
Author(s):  
Luciene Nunes Barcelos Martins ◽  
Flávia Louzeiro de Aguiar Santiago ◽  
Marcela Susana Montecchia ◽  
Olga Susana Correa ◽  
Orivaldo José Saggin Junior ◽  
...  
Keyword(s):  
Biological Properties ◽  
Agricultural Systems ◽  
Properties Of Soil

Tillage and cropping sequence effect on physico-chemical and biological properties of soil in Eastern Himalayas, India

2018 ◽  
Vol 180 ◽  
pp. 182-193 ◽  
Author(s):  
Anup Das ◽  
Demandson Lyngdoh ◽  
Probir Kumar Ghosh ◽  
Rattan Lal ◽  
Jayanta Layek ◽  
...  
Keyword(s):  
Biological Properties ◽  
Sequence Effect ◽  
Eastern Himalayas ◽  
Cropping Sequence ◽  
Physico Chemical ◽  
Properties Of Soil

scholarly journals System of Rice Intensification Verses Conventional Rice System: Off-farm Field Studies

2019 ◽  
Vol 1 (1) ◽  
Author(s):  
Ravi Chandra Sharma ◽  
Nobuhiko Fuwa ◽  
Pabitra Banik
Keyword(s):  
Unit Area ◽  
Water Productivity ◽  
Water System ◽  
Field Studies ◽  
Biological Properties ◽  
System Of Rice Intensification ◽  
Physico Chemical ◽  
Rice Intensification ◽  
Industrial Needs ◽  
Properties Of Soil

With inevitable growth of demand for human and industrial needs, water available for agriculture will become scarcer in the future. India is a highly water-stressed country. Hence, India needs to invest in improving its water productivity, and any capacity to produce more rice with less water. System of Rice Intensification (SRI) has attracted much attention in increasing rice yield per unit area. For this study, fifteen farmers were selected those were practicing SRI technology by themselves during the Boro-cultivation season (January-April). The study was continued for three consecutive years 2012 to 14 on the same fields. In addition to the SRI plots, a similar size of non-SRI plot was maintained in conventional cultivation for comparison purpose. On an average, the non-SRI ight increased by 12%, number of tillers per square meter by 85%, number of reproductive tillers per hill by 286%, weight of panicle per hill by 139%, number of seeds per panicle by 41% and test weight by 26% due to SRI practice over the non-SRI practice. Average increment in straw and grain yield due to SRI over the non-SRI is 70% and 59% respectively. The physico-chemical and biological properties of soil improved due to SRI practice.

Studi Eksplorasi Agroklimat Tanaman Kopi Robusta (Coffea canephora) Kabupaten Tanggamus, Lampung

2021 ◽  
Vol 5 (1) ◽  
pp. 20
Author(s):  
Dimas Prakoswo Widiyani ◽  
Joko S. S Hartono
Keyword(s):  
Crop Production ◽  
Coffea Canephora ◽  
Biological Properties ◽  
Plant Production ◽  
Limiting Factors ◽  
Limiting Factor ◽  
Plant Growth And Development ◽  
Coffee Production ◽  
Physical Chemical ◽  
Properties Of Soil

Coffee is one of the important commodities in Indonesia. The coffee commodity has strategic potential in the development of the community's economy. Over time coffee production in Indonesia has decreased, the average productivity of coffee in Indonesia is only around 600 kg/ha, while the potential for coffee production per hectare can reach 1000 kg/ha. One of the largest coffee-producing regions is Tanggamus Regency in Lampung. This region’s climate plays an essential part in plant production, even more than soil in determining plant growth and development. Climate elements such as air temperature, solar radiation, and humidity support and play an important role in crop production. Meanwhile physical, chemical, and biological properties of soil are directly related to plant productivity. This research was conducted in 2 sub-districts, namely Sumberejo and Ulubelu Districts from July to October 2020. Based on the results of observations and analysis, it was found that the agro-climatic suitability of some of the Sumberejo and Ulubelu areas was included in the S1 conformity class category, but there is one limiting factor, namely slope. Efforts to modify the environment based on the value of the suitability class are needed. It is recommended to make a terrace to handle the limiting factors. Kopi adalah salah satu komoditas penting yang ada di Indonesia. Komoditas kopi memiliki potensi strategis dalam perkembangan perekonomian masyarakat. Seiring waktu produksi kopi di Indonesia semakin menurun, produktivitas rata-rata kopi di Indonesia hanya berkisar 600 kg/ha, sedangkan potensi produksi kopi tiap hektar bisa mencapai 1000 kg/ha. Salah satu daerah atau kabupaten penghasil kopi terbesar di Lampung adalah Kabupaten Tanggamus. Kabupaten Tanggamus memiliki luas lahan perkebunan kopi sebesar 41.512 ha dengan produksi total sebesar 33.482 ton Salah satu pengaruh lingkungan yang paling esensial adalah iklim. Iklim tidak hanya mempengaruhi pertumbuhan tanaman, tetapi iklim juga dipengaruhi oleh tanaman. Iklim dapat menjadi faktor yang lebih penting dari pada tanah dalam menentukan pertumbuhan dan perkembangan tanaman. Unsur-unsur iklim seperti suhu udara, radiasi matahari, dan kelembaban mendukung dan berperanan penting secara langsung dalam kegiatan budidaya tanaman. Iklim juga mempengaruhi sifat fisik, kimia, dan biologi tanah secara tidak langsung. Penelitian ini dilaksanakan di dua Kecamatan yaitu Kecamatan Sumberejo dan Ulubelu pada bulan Juli-Oktober 2020. Berdasarkan hasil observasi dan analisis yang telah didapatkan bahwa kesesuaian agroklimat sebagian kawasan Sumberejo dan Ulubelu masuk kategori kelas kesesuaian S1 atau sesuai namun terdapat satu unsur faktor pembatas yaitu kelerengan. Upaya modifikasi lingkungan berdasarkan nilai kelas kesesuaian maka dianjurkan dalam pembuatan teras agar faktor pembatas dapat ditangani.

Chitosan-Nanocellulose Composites for Regenerative Medicine Applications

2020 ◽  
Vol 27 (28) ◽  
pp. 4584-4592 ◽  
Author(s):  
Avik Khan ◽  
Baobin Wang ◽  
Yonghao Ni
Keyword(s):  
Regenerative Medicine ◽  
Preparation Method ◽  
Chemical Properties ◽  
Biological Properties ◽  
Next Generation ◽  
Structure Property ◽  
Physico Chemical ◽  
Structure Property Relationship ◽  
Attractive Candidate ◽  
Fundamental Understanding

Regenerative medicine represents an emerging multidisciplinary field that brings together engineering methods and complexity of life sciences into a unified fundamental understanding of structure-property relationship in micro/nano environment to develop the next generation of scaffolds and hydrogels to restore or improve tissue functions. Chitosan has several unique physico-chemical properties that make it a highly desirable polysaccharide for various applications such as, biomedical, food, nutraceutical, agriculture, packaging, coating, etc. However, the utilization of chitosan in regenerative medicine is often limited due to its inadequate mechanical, barrier and thermal properties. Cellulosic nanomaterials (CNs), owing to their exceptional mechanical strength, ease of chemical modification, biocompatibility and favorable interaction with chitosan, represent an attractive candidate for the fabrication of chitosan/ CNs scaffolds and hydrogels. The unique mechanical and biological properties of the chitosan/CNs bio-nanocomposite make them a material of choice for the development of next generation bio-scaffolds and hydrogels for regenerative medicine applications. In this review, we have summarized the preparation method, mechanical properties, morphology, cytotoxicity/ biocompatibility of chitosan/CNs nanocomposites for regenerative medicine applications, which comprises tissue engineering and wound dressing applications.

Development and Pharmacokinetics Study of Antifungal Peptide Nanoliposomes by Liquid Chromatography-tandem Mass Spectrometry

2019 ◽  
Vol 15 (4) ◽  
pp. 312-318
Author(s):  
Shuoye Yang
Keyword(s):  
Mass Spectrometry ◽  
Biological Properties ◽  
Pharmacokinetic Property ◽  
Antifungal Peptide ◽  
Simple Liquid ◽  
Physico Chemical ◽  
Liquid Chromatography Tandem Mass ◽  
Pegylated Lipids

Background: The therapeutic ability and application of antifungal peptide (APs) are limited by their physico-chemical and biological properties, the nano-liposomal encapsulation would improve the in vivo circulation and stability. </P><P> Objective: To develop a long-circulating liposomal delivery systems encapsulated APs-CGA-N12 with PEGylated lipids and cholesterol, and investigated through in vivo pharmacokinetics. Methods: The liposomes were prepared and characterized, a rapid and simple liquid chromatographytandem mass spectrometry (LC-MS/MS) assay was developed for the determination of antifungal peptide in vivo, the pharmacokinetic characteristics of APs liposomes were evaluated in rats. Results: Liposomes had a large, unilamellar structure, particle size and Zeta potential ranged from 160 to 185 nm and -0.55 to 1.1 mV, respectively. The results indicated that the plasma concentration of peptides in reference solutions rapidly declined after intravenous administration, whereas the liposomeencapsulated ones showed slower elimination. The AUC(0-∞) was increased by 3.0-fold in liposomes in comparison with standard solution (20 mg·kg-1), the half-life (T1/2) was 1.6- and 1.5-fold higher compared to the reference groups of 20 and 40 mg·kg-1, respectively. Conclusion: Therefore, it could be concluded that liposomal encapsulation effectively improved the bioavailability and pharmacokinetic property of antifungal peptides.

Progress and Prospects in Translating Nanobiotechnology in Medical Theranostics

2020 ◽  
Vol 16 (5) ◽  
pp. 685-707 ◽  
Author(s):  
Amna Batool ◽  
Farid Menaa ◽  
Bushra Uzair ◽  
Barkat Ali Khan ◽  
Bouzid Menaa
Keyword(s):  
Biological Properties ◽  
Chemical Characteristics ◽  
Intrinsic Properties ◽  
The Past ◽  
Profound Influence ◽  
Functionalized Nanomaterials ◽  
Physico Chemical ◽  
Properties Of Materials ◽  
Targeted Drug ◽  
And Performance

: The pace at which nanotheranostic technology for human disease is evolving has accelerated exponentially over the past five years. Nanotechnology is committed to utilizing the intrinsic properties of materials and structures at submicroscopic-scale measures. Indeed, there is generally a profound influence of reducing physical dimensions of particulates and devices on their physico-chemical characteristics, biological properties, and performance. The exploration of nature’s components to work effectively as nanoscaffolds or nanodevices represents a tremendous and growing interest in medicine for various applications (e.g., biosensing, tunable control and targeted drug release, tissue engineering). Several nanotheranostic approaches (i.e., diagnostic plus therapeutic using nanoscale) conferring unique features are constantly progressing and overcoming all the limitations of conventional medicines including specificity, efficacy, solubility, sensitivity, biodegradability, biocompatibility, stability, interactions at subcellular levels. : This review introduces two major aspects of nanotechnology as an innovative and challenging theranostic strategy or solution: (i) the most intriguing (bare and functionalized) nanomaterials with their respective advantages and drawbacks; (ii) the current and promising multifunctional “smart” nanodevices.

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