找回密碼
 To register

QQ登錄

只需一步,快速開始

掃一掃,訪問微社區(qū)

打印 上一主題 下一主題

Titlebook: Economic Studies on Food, Agriculture, and the Environment; Maurizio Canavari,Paolo Caggiati,K. William Easter Book 2002 Springer Science+

[復(fù)制鏈接]
樓主: affected
41#
發(fā)表于 2025-3-28 16:31:39 | 只看該作者
42#
發(fā)表于 2025-3-28 19:12:36 | 只看該作者
Meinhard Erben,Wolf G. H. Güntherontaining biological material, and the process by means of which biological materials are produced, processed or used. The member states of the European Union (EU) are required to implement this directive in national law by 30 July 2000.
43#
發(fā)表于 2025-3-29 01:25:42 | 只看該作者
44#
發(fā)表于 2025-3-29 04:38:27 | 只看該作者
Differing U.S. and European Perspectives on GMOsed corn (maize), cotton, and soybeans. By 1998, more than 500 genetically modified plant varieties were available in the United States, accounting for 28 percent of the areas (2.57 million hectares) planted to maize, soybeans and cotton. Argentina and Canada had each planted an additional 100,000 he
45#
發(fā)表于 2025-3-29 07:22:32 | 只看該作者
46#
發(fā)表于 2025-3-29 13:52:06 | 只看該作者
Child Nutrition and Economic Growth in Vietnam in the 1990seconomic growth can further lead to a better nutritional status of a population. Malnutrition rates in Vietnam, in terms of stunting (low height-for-age) in children under 5, have been reduced from 50% in 1992–93 to 34% in 1997–98. Disparities, however, exist between different regions, urban and rur
47#
發(fā)表于 2025-3-29 16:35:20 | 只看該作者
48#
發(fā)表于 2025-3-29 22:49:05 | 只看該作者
49#
發(fā)表于 2025-3-30 01:05:38 | 只看該作者
Water Scarcity: Institutional Change, Water Markets, and Privatizationem share the objective of treating water and water services as an economic good, by regulating private inefficient appropriation of open-access resources, and by making the demand for water less independent of users’ willingness to pay for it. The aim of this paper is to provide an overview of these
50#
發(fā)表于 2025-3-30 05:39:58 | 只看該作者
Evaluation of the Recreational Uses of Rural Land: A Case Study of the world. Many agri-environmental measures are directly aimed at improving the recreational value of rural land through the provision of direct services or landscape improvement..The aim of this study is to assess the value for the consumers of such recreational improvements. In particular, an
 關(guān)于派博傳思  派博傳思旗下網(wǎng)站  友情鏈接
派博傳思介紹 公司地理位置 論文服務(wù)流程 影響因子官網(wǎng) 吾愛論文網(wǎng) 大講堂 北京大學(xué) Oxford Uni. Harvard Uni.
發(fā)展歷史沿革 期刊點(diǎn)評(píng) 投稿經(jīng)驗(yàn)總結(jié) SCIENCEGARD IMPACTFACTOR 派博系數(shù) 清華大學(xué) Yale Uni. Stanford Uni.
QQ|Archiver|手機(jī)版|小黑屋| 派博傳思國(guó)際 ( 京公網(wǎng)安備110108008328) GMT+8, 2025-10-10 16:33
Copyright © 2001-2015 派博傳思   京公網(wǎng)安備110108008328 版權(quán)所有 All rights reserved
快速回復(fù) 返回頂部 返回列表
随州市| 社会| 双柏县| 射洪县| 铜川市| 军事| 三穗县| 乌什县| 广宁县| 柘城县| 民权县| 宁城县| 民勤县| 尉氏县| 富顺县| 邛崃市| 定结县| 曲水县| 甘南县| 梓潼县| 涟水县| 龙江县| 来凤县| 秦安县| 神农架林区| 博爱县| 宜良县| 娄底市| 拉萨市| 莆田市| 桦川县| 渭南市| 乐至县| 新丰县| 繁峙县| 杭锦后旗| 民勤县| 襄城县| 丹东市| 依兰县| 珲春市|