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: Organic Crop Production - Ambitions and Limitations; Holger Kirchmann,Lars Bergstr?m Book 2008 Springer Science+Business Media B.V. 2008 G

[復(fù)制鏈接]
樓主: Adentitious
41#
發(fā)表于 2025-3-28 17:38:44 | 只看該作者
42#
發(fā)表于 2025-3-28 20:57:59 | 只看該作者
Organic Crop Production - Ambitions and Limitations
43#
發(fā)表于 2025-3-28 23:39:34 | 只看該作者
Organic Crop Production - Ambitions and Limitations978-1-4020-9316-6
44#
發(fā)表于 2025-3-29 06:01:30 | 只看該作者
,Widespread Opinions About Organic Agriculture – Are They Supported by Scientific Evidence?,d that soil fertility status and microbial biodiversity are not improved a priori by organic cropping. The energy investment for production of artificial N fertilisers results in a five- to ten-fold energy return in the form of biomass and this highly positive energy balance needs to be fully acknow
45#
發(fā)表于 2025-3-29 09:18:57 | 只看該作者
46#
發(fā)表于 2025-3-29 12:03:46 | 只看該作者
Can Organic Crop Production Feed the World?,ields are between 25 and 50% lower than conventional yields, depending on whether the organic system has access to animal manure. The amount of manure available on organic farms is usually not sufficient to produce similar crop yields as in conventional systems and therefore green manures are common
 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| 派博傳思國際 ( 京公網(wǎng)安備110108008328) GMT+8, 2025-10-7 08:55
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
左贡县| 铁岭县| 揭西县| 宝应县| 唐河县| 深泽县| 临夏市| 井冈山市| 揭西县| 舞阳县| 青阳县| 宁阳县| 武汉市| 孟津县| 和静县| 黔西| 淅川县| 浠水县| 峨眉山市| 浮梁县| 民乐县| 进贤县| 靖安县| 渭源县| 闻喜县| 宁德市| 桐柏县| 光山县| 溧阳市| 义马市| 三都| 罗源县| 嵊州市| 德兴市| 依兰县| 邻水| 宝鸡市| 精河县| 中超| 丰顺县| 龙里县|