Annals of Agrarian Science最新文献_第8页

Next generation crop improvement program: Progress and prospect in tea ( Camellia sinensis (L.) O. Kuntze) 下一代作物改良计划:茶(Camellia sinensis (L.))的进展与展望o . Kuntze)

Annals of Agrarian Science Pub Date : 2018-06-01 DOI: 10.1016/J.AASCI.2018.02.002

A. Hazra, N. Dasgupta, C. Sengupta, Sauren Das

引用次数: 18

Investigation of the regularity of movement of furrow slice at tillage with a plough with ripping moldboard 耙板犁耕作时沟片运动规律的研究

Annals of Agrarian Science Pub Date : 2018-06-01 DOI: 10.1016/j.aasci.2018.04.011

A.P. Tarverdyan, Sh.M. Grigoryan, A.M. Esoyan

{"title":"Investigation of the regularity of movement of furrow slice at tillage with a plough with ripping moldboard","authors":"A.P. Tarverdyan, Sh.M. Grigoryan, A.M. Esoyan","doi":"10.1016/j.aasci.2018.04.011","DOIUrl":"10.1016/j.aasci.2018.04.011","url":null,"abstract":"<div><p>The theory of the analysis of kinematic behaviour of the movement of furrow slice ripped by plough hulls on the example of ripping mouldboard has been developed. Working out the equation of surface of the mouldboard and using the analytical dependencies of the relative and absolute motion trajectories of the blade movement the mathematical models are received describing the patterns of motion of soil particles, at tillage with hulls with mouldboards of ripping type.</p><p>The received equations of absolute trajectory of the movement of the furrow slice allows to make the technological assessment of tillage and the equation of relative trajectory establishes the necessary conditions of the movement of furrow slice along the mouldboard with sliding and gives opportunity to reduce largely the traction resistance of plough frame. The practical significance of the developed theory is that given the substantiated function of the change of angle <span><math><mrow><mi>γ</mi><mrow><mo>(</mo><mi>z</mi><mo>)</mo></mrow></mrow></math></span> and the shape of the directing curve it is possible to create a perfect, from the viewpoint of the least tractive effort, croplands equipment in the design stage.</p></div>","PeriodicalId":100092,"journal":{"name":"Annals of Agrarian Science","volume":"16 2","pages":"Pages 218-221"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.aasci.2018.04.011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82604385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Spatial and temporal variations of rainfall-runoff erosivity (R) factor in Kakheti, Georgia 格鲁吉亚Kakheti地区降雨-径流侵蚀力(R)因子的时空变化

Annals of Agrarian Science Pub Date : 2018-06-01 DOI: 10.1016/J.AASCI.2018.03.010

M. Tsitsagi, A. Berdzenishvili, M. Gugeshashvili

引用次数: 14

Criterial modeling of field-husbandry technological processes service backup 农牧工艺流程服务备份准则建模

Annals of Agrarian Science Pub Date : 2018-06-01 DOI: 10.1016/J.AASCI.2018.03.003

B. B. Basilashvili, Z. K. Makharoblidze, I. Lagvilava, R. M. Khazhomia

引用次数: 0

Computer designing principles of the working organ of land cultivation machines upon the wedge example 以楔块为例，探讨了耕地机械工作机构的计算机设计原理

Annals of Agrarian Science Pub Date : 2018-06-01 DOI: 10.1016/j.aasci.2018.04.008

D.P. Petrosyan, D.R. Khazhakyan

引用次数: 0

Usage mathematical modeling in the intgrated protection of plantsby using the Microsoft Excel 利用Microsoft Excel将数学建模应用于植物综合保护

Annals of Agrarian Science Pub Date : 2018-06-01 DOI: 10.1016/j.aasci.2017.11.003

Guram Aleksidze , Leri Nozadze , Avtandil Murvanidze

引用次数: 0

Anthocyanins and antioxidant activity of red wines made from endemic grape varieties 地方葡萄品种酿造的红葡萄酒的花青素和抗氧化活性

Annals of Agrarian Science Pub Date : 2018-06-01 DOI: 10.1016/j.aasci.2018.04.006

M. Kharadze, I. Japaridze, A. Kalandia, M. Vanidze

引用次数: 32

Patterns of distribution and survival of European yew (Taxus baccata L.) in an alpine tree line ecotone in the Greater Caucasus (Georgia) 欧洲红豆杉(Taxus baccata L.)在大高加索(格鲁吉亚)高山林木线过渡带的分布和生存模式

Annals of Agrarian Science Pub Date : 2018-06-01 DOI: 10.1016/j.aasci.2018.02.006

Arnold Gegechkori

{"title":"Patterns of distribution and survival of European yew (Taxus baccata L.) in an alpine tree line ecotone in the Greater Caucasus (Georgia)","authors":"Arnold Gegechkori","doi":"10.1016/j.aasci.2018.02.006","DOIUrl":"https://doi.org/10.1016/j.aasci.2018.02.006","url":null,"abstract":"<div><p>Four disjunction sites with European yew (<em>T. baccata</em>) were included in this study (Fig. 1). All of them are represented in the western part of the Greater Caucasus Range (GCR). Considerable interest was directed towards two sites in the alpine tree line ecotone. Another two sites included low or mid-elevation locations.</p><p>The present paper is the first attempt towards data analysis on yew elevation variability across the Greater Caucasus, including treeline ecotone. An effort has been made to reveal survival strategy of yew under pessimal conditions. The sharp geomorphology of high mountainous limestone habitat; harsh climatic conditions long-term impact of severe disturbances due to temperature extremes, solar radiation, cold winds, and other topo climatic conditions; related to both - individual and community stands of yew were considered. All these fluctuating abiotic disorders affect the anatomy, physiology and behavioral peculiarities of relict yew; in particular the vegetative propagation ability of krummholz stand of yew. Our aim here was to strengthen the environmental awareness among the local people through this study, vis-a-vis enlighten the incredible natural sites of the GCR, which contain remarkable endemic and relict flora.</p></div>","PeriodicalId":100092,"journal":{"name":"Annals of Agrarian Science","volume":"16 2","pages":"Pages 170-176"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.aasci.2018.02.006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91720699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Simulative modeling of the soil erosion processes 土壤侵蚀过程的模拟模拟

Annals of Agrarian Science Pub Date : 2018-06-01 DOI: 10.1016/J.AASCI.2018.03.007

I. Khubulava, G. Chakhaia

引用次数: 1

Indicators of reliability of plows working in mountainous conditions of Georgia 在格鲁吉亚山区工作的犁的可靠性指标

Annals of Agrarian Science Pub Date : 2018-06-01 DOI: 10.1016/j.aasci.2018.04.009

J.B. Katsitadze , N.I. Karkashadze , G.G. Kutelia

引用次数: 4