中__代__史

Description

�中_是世界上最古老的__大_，在__不息的_史_河中，_代先_，炎_子_，植五谷，_六畜，_桑并_，男耕女_，_造_累了丰富的______和科_技_知_，形成了精耕_作、富_足民的_耕思想，构筑了5000年_煌__的中__耕文明。

早在7000多年以前，_夏先人_就_始了种植稻谷等_作物的__。夏商周_期，畜牧_和家畜的繁育技_已__展到相_高的水平。5000年前的仰韶文化_期就已_明了_蚕__技_。_代__通西域_辟了一_通_的__之路，_中___的___品源源_往西方各_。____之路延_了2000多年，一直是_通__大_的重要_易通道。

春秋___期，人___作物品种高度重_，并注意到_作物品种的地_差异性和品种的地域适_性。秦__期，人_已_知道提高耕作栽培技_，__优良品种，提高作物本身的丰_性和适_性,《氾胜之_》中有了中_采取“穗_法”育种的最早__。北魏_思勰_作《_民要_》的_代，中_的作物育种技_已_有了很大的提高，相_育成一大批性_各异、能_足不同栽培要求的新品种。谷_作物的粒_、穗_的繁殖方法，奠基于魏_南北朝_期，至明清_期已相_完善和普及了。同_，中_古代__品种_育_表_在_域外品种的引_与_化，_代_西_地_的品种引_,唐代_西_乃至_洲地_的品种引_,明清_代__多_途_引_美洲的品种，其中的果蔬_品种、玉米、_薯、_草等，_中_的作物_构_生的影_最大。

中_古代的__相物的物候_法也是比_先_的。由于_事季_的需要，_物候的_察更加深入，物候知_更加丰富，_而成_人_最早掌握和支配_事生_的重要手段。物候知_的_累，逐_形成了以物候__志的__体系——物候_。我_今天_常可以_到的基于物候_化的__，就是_种物候指___的_展与_用。

Get the book

Amazon.com

Search the book

eBay.com

Search the book

Similar books

• 

  边际效用学派的兴起

  By （美）理查德·豪伊著；晏智杰译

  指数, 107 ;威斯蒂德, P . :和杰文斯, 10,120-123 ;早年在伦敦, 118 ;和数学, 119,131 ;和比顿, 119 ;和肖, 125-126 ;和青年经济学会, 130 ;和门格尔, 131 ;论尺度, 131-133 ;和“边际的”一词, 134 ;论个人比较效用, 135-136 ;和边际效用, 135-136 ;论劳动 ...

• 

  The Origin of the Family, Private Property, and the State, in the Light of the Researches of Lewis H. Morgan

  By Friedrich Engels

  Presents the text of the German Socialist's classic work on the structure of primitive society and early civilization

• 

  Trade Wars Against America: A History of United States Trade and Monetary Policy

  By William J. Gill

  A History of United States Trade and Monetary Policy William J. Gill. The press played the successful supply ... Douglas MacArthur had sprung his amphibious end run around the Communist lines with the surprise landing at Inchon .

• 

  Free Trade, Free World: The Advent of GATT

  By Thomas W. Zeiler

  In Encylopedia of U.S. Foreign Relations , Volume 2 , edited by Bruce W. Jentleson and Thomas G. Paterson . New York : Oxford University Press , 1997 . Coombs , Herbert C. “ The Keynesian Crusade . ” Postwar Reconstruction Seminar ...

• 

  Change and Development in the Twentieth Century

  By Thomas C. Patterson

  Mallon , Florencia E. 1994 The Promise and Dilemma of Subaltern Studies : Perspectives from Latin American History . The American Historical Review , vol . 99 , no . 5 , pp . 1491-1515 . Washington . Mandel , Ernest 1989 Beyond ...

• 

  Working Americans, 1880-1999: Social movements

  By Scott Derks

  Edward Sienkiewicz , a Polish clothing manufacturer living in Portland , Maine , felt an obligation to help Poland's Jewish community in any way he could after the devastation brought to that country during World War II .

• 

  1898: The Birth of the American Century

  By David Traxel

  George Moore, 4 Smith, Page, 312 Snow, Edward Rowe, 300 Social Gospel movement, 77, 114 Social Register, 146 Sousa, john Philip, 35, 38 South African Republic, 89 South Omaha Stoclzrnan, 157 Spain Ambassador Dupuy de Lome, 96—9, ...

• 

  International Macroeconomics: Recent Developments

  By Amalia Morales Zumaquero

  ... 214, 235, 273, 332, 382. 383 firms, 208. 209. 213, 215, 217, 219, 228. 235, 237. 289. 333, 354, 355 first generation. 272, 273, 274, 278, 280 fiscal deficit. 86. 288, 337, 355, 356 fiscal policy. 26. 144. 336. 351. 356. 357 fishing.

• 

  现代经济分析史

  By （英）罗杰·巴克豪斯著；晏智杰译

  (英)罗杰·巴克豪斯著;晏智杰译. 到。因此,俄林不像凯恩斯那样把转账问题看得那么严重􀃊􀁍􀁓 ... 对国际汇率论进行了最广泛讨论的智杰译文集是卡塞尔,他是“购买力平价”这个术语的提出者􀃊􀁍􀁗。这个理论最早的表述是现代经济分析史最简单的:“假定 A 和 B两 ...

• 

  大癫狂：非同寻常的大众幻想与群众性癫狂

  By

  这些都是亲人眼中的圣物,每个人都清楚其中蕴涵着无与伦比的情感。 ... 除了这些让家人珍爱的圣物,还有一些纪念品也是让人们无法割舍的:被人们所欣赏以及崇高美德神圣化的东西,比如一本莎士比亚(Shakespeare)亲手签名的蒙田文集;保存在安特卫普的一把椅子, ...