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: Elements of Tropical Soil Sciences; T. Eden Textbook 1964Latest edition Macmillan Publishers Limited 1964 environment.soil.soil science

[復制鏈接]
樓主: 無緣無故
31#
發(fā)表于 2025-3-27 00:55:35 | 只看該作者
32#
發(fā)表于 2025-3-27 01:16:59 | 只看該作者
The Chemical Properties of Soil,the chemical properties. In this chapter we shall deal first with a type of surface action which has a great part to play in regulating the fertility of the soil, particularly as regards the retention of soil nutrients and the related property of soil reaction, that is, its condition of acidity or alkalinity.
33#
發(fā)表于 2025-3-27 05:52:22 | 只看該作者
Cultivation,ate it.” Simple as the answer may sound, it is highly deceptive. One might equally say “Why do we eat?” and answer “To live.” In both cases the question and answer skip from start to finish and leave out all the middle.
34#
發(fā)表于 2025-3-27 11:56:14 | 只看該作者
The Maintenance of Fertility,in aspects of soil management inherent in the exploitation of soil for agricultural purposes. Throughout these discussions the problem of soil fertility and its maintenance has been implicit. It is now appropriate to put the various aspects of this question into perspective.
35#
發(fā)表于 2025-3-27 14:28:01 | 只看該作者
36#
發(fā)表于 2025-3-27 19:45:15 | 只看該作者
37#
發(fā)表于 2025-3-27 21:55:30 | 只看該作者
38#
發(fā)表于 2025-3-28 04:24:56 | 只看該作者
Robert M Winrow MD,Suhail Ahmad MDthe chemical properties. In this chapter we shall deal first with a type of surface action which has a great part to play in regulating the fertility of the soil, particularly as regards the retention of soil nutrients and the related property of soil reaction, that is, its condition of acidity or a
39#
發(fā)表于 2025-3-28 08:00:47 | 只看該作者
40#
發(fā)表于 2025-3-28 13:01:54 | 只看該作者
Hi- Def Liposuction- My Techniqueorganic matter, with its end product humus, in regulating soil processes. In the course of this exposition nutritive elements have been referred to in a general way. Their availability to growing crops is of paramount importance. This chapter is therefore devoted to the consideration of some of the
 關于派博傳思  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 論文服務流程 影響因子官網(wǎng) 吾愛論文網(wǎng) 大講堂 北京大學 Oxford Uni. Harvard Uni.
發(fā)展歷史沿革 期刊點評 投稿經(jīng)驗總結(jié) SCIENCEGARD IMPACTFACTOR 派博系數(shù) 清華大學 Yale Uni. Stanford Uni.
QQ|Archiver|手機版|小黑屋| 派博傳思國際 ( 京公網(wǎng)安備110108008328) GMT+8, 2025-10-25 06:22
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 返回頂部 返回列表
海晏县| 惠来县| 泉州市| 台安县| 磐石市| 湾仔区| 巴中市| 厦门市| 前郭尔| 饶平县| 若尔盖县| 尤溪县| 化隆| 滦平县| 海兴县| 新津县| 南部县| 永修县| 铜陵市| 鄂托克旗| 临颍县| 明水县| 冀州市| 商南县| 嘉禾县| 民县| 林西县| 通渭县| 茂名市| 汾西县| 二手房| 望城县| 嘉荫县| 昭平县| 巨鹿县| 高唐县| 溆浦县| 广德县| 梧州市| 九台市| 吉安市|