找回密碼
 To register

QQ登錄

只需一步,快速開(kāi)始

掃一掃,訪問(wèn)微社區(qū)

1234567
返回列表
打印 上一主題 下一主題

Titlebook: Agroecology; Researching the Ecol Stephen R. Gliessman (Director) Book 1990 Springer Science+Business Media New York 1990 Agroecology.Allel

[復(fù)制鏈接]
樓主: hearken
61#
發(fā)表于 2025-4-1 03:32:51 | 只看該作者
Agricultural Systems of the Northeastern Hill Region of Indiaodels for development in an energy-limited world has led to renewed scientific interest in traditional systems of agriculture, which presumably offer ecological efficiency. In particular, shifting or swidden systems of cultivation have been held up as models of productive efficiencies where five to
62#
發(fā)表于 2025-4-1 09:48:18 | 只看該作者
63#
發(fā)表于 2025-4-1 10:23:42 | 只看該作者
Columbus’s Reference Line on Earthm crop production rather than maximize it on a short term basis (Gliessman et al., 1981). In addition to the more obvious effect of sustained agricultural yield, some of these systems appear to suppress or check the development of various plant diseases associated with the soil (García-E., 1980; Gar
64#
發(fā)表于 2025-4-1 16:04:02 | 只看該作者
65#
發(fā)表于 2025-4-1 20:25:49 | 只看該作者
https://doi.org/10.1007/978-3-031-36255-2le increase after the first year of fallow growth, whereas N and P accumulation continued at steady rates for another 2 years of fallow development. The role of weeds in nutrient accumulation during the initial stages of secondary succession has been reported by Toky and Ramakrishnan (1983) and Lamb
1234567
返回列表
 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(ài)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, 2026-1-25 02:47
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
南皮县| 龙井市| 汤阴县| 汉阴县| 弥勒县| 德州市| 隆回县| 土默特左旗| 阿图什市| 博爱县| 白城市| 海晏县| 安阳市| 杂多县| 栾川县| 漳州市| 特克斯县| 阳江市| 河西区| 潮州市| 屏山县| 高淳县| 贡嘎县| 无锡市| 南安市| 措美县| 馆陶县| 德州市| 涡阳县| 泸溪县| 白朗县| 阳高县| 东港市| 沾益县| 蕉岭县| 桐梓县| 泽普县| 刚察县| 开平市| 宾阳县| 兰溪市|