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(fù)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(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 投稿經(jīng)驗總結(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, 2025-10-25 18:10
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
永仁县| 六安市| 九江市| 保亭| 宝丰县| 合山市| 太康县| 南丰县| 尚义县| 凤台县| 寻甸| 越西县| 三明市| 沭阳县| 娱乐| 广州市| 囊谦县| 吴江市| 库尔勒市| 玛曲县| 卫辉市| 孟州市| 富顺县| 龙井市| 吴旗县| 宝山区| 那曲县| 大石桥市| 白朗县| 庄河市| 高唐县| 绥江县| 朝阳市| 齐齐哈尔市| 门源| 天台县| 海门市| 定兴县| 呼和浩特市| 吉隆县| 金堂县|