標題: Titlebook: An Introduction to Agricultural Systems; C. R. W. Spedding Book 1988Latest edition Elsevier Applied Science Publishers Ltd 1988 agricultur [打印本頁] 作者: Pierce 時間: 2025-3-21 17:50
書目名稱An Introduction to Agricultural Systems影響因子(影響力)
書目名稱An Introduction to Agricultural Systems影響因子(影響力)學科排名
書目名稱An Introduction to Agricultural Systems網(wǎng)絡公開度
書目名稱An Introduction to Agricultural Systems網(wǎng)絡公開度學科排名
書目名稱An Introduction to Agricultural Systems被引頻次
書目名稱An Introduction to Agricultural Systems被引頻次學科排名
書目名稱An Introduction to Agricultural Systems年度引用
書目名稱An Introduction to Agricultural Systems年度引用學科排名
書目名稱An Introduction to Agricultural Systems讀者反饋
書目名稱An Introduction to Agricultural Systems讀者反饋學科排名
作者: 運動吧 時間: 2025-3-21 22:14
https://doi.org/10.1007/978-3-8349-3900-5 the output of pleasure is substantial but clearly it need not be so. In such cases, of course, the purchase of the land was not part of an agricultural operation at all and it is necessary to distinguish between land ownership and agriculture: they interact but they are clearly not the same.作者: 煩憂 時間: 2025-3-22 03:36 作者: 大都市 時間: 2025-3-22 07:17
A Systems Approach to Agriculture,nal units in general. However, there is much more to the deliberate use of the word ‘systems’ in this context, because the ‘systems approach’ is now recognised as a distinctive way of looking at things. This is based firmly on the concept of a system and it is important to be clear about its meaning.作者: 我不死扛 時間: 2025-3-22 12:44
Economic Efficiency in Agriculture, the output of pleasure is substantial but clearly it need not be so. In such cases, of course, the purchase of the land was not part of an agricultural operation at all and it is necessary to distinguish between land ownership and agriculture: they interact but they are clearly not the same.作者: 侵害 時間: 2025-3-22 14:32 作者: Glucose 時間: 2025-3-22 18:08 作者: 過去分詞 時間: 2025-3-22 22:17 作者: nerve-sparing 時間: 2025-3-23 02:49 作者: MIRE 時間: 2025-3-23 05:57 作者: 剛毅 時間: 2025-3-23 11:14 作者: DAMN 時間: 2025-3-23 15:29
Ergebnisinterpretation und Diskussion,, so it would seem that a very high proportion of the world’s agriculture could be said to be engaged in mixed farming. This is not a very helpful view, however, and it is more useful to confine the term to situations where crop and livestock production are integrated.作者: 指派 時間: 2025-3-23 18:15
https://doi.org/10.1007/978-3-658-40458-1ion, to serve amenity purposes (lawns, flowers, trees and shrubs) and to increase soil fertility (e.g. by adding organic matter from senescent leaves and roots or nitrogen from decaying legume nodules).作者: cultivated 時間: 2025-3-23 23:51 作者: REP 時間: 2025-3-24 05:37
https://doi.org/10.1007/978-94-011-6408-5agriculture; ecotoxicology作者: 步兵 時間: 2025-3-24 08:02 作者: 受傷 時間: 2025-3-24 13:03 作者: oracle 時間: 2025-3-24 18:12
https://doi.org/10.1007/978-3-658-28896-9Although agriculture involves a great deal more than biology, it is nevertheless based on biological processes. It is impossible to conceive of an agriculture or an agricultural system that is not based on one or more biological processes. Indeed, a part of the definition proposed in Chapter 1 was the controlled use of animals and plants.作者: 假設(shè) 時間: 2025-3-24 21:36 作者: 微不足道 時間: 2025-3-25 00:04 作者: Ige326 時間: 2025-3-25 03:54 作者: 一條卷發(fā) 時間: 2025-3-25 09:19 作者: 爭論 時間: 2025-3-25 14:51
Biological Efficiency in Agriculture,Although agriculture involves a great deal more than biology, it is nevertheless based on biological processes. It is impossible to conceive of an agriculture or an agricultural system that is not based on one or more biological processes. Indeed, a part of the definition proposed in Chapter 1 was the controlled use of animals and plants.作者: Nefarious 時間: 2025-3-25 17:28
Pastoral Nomadism,Nomads are people who travel more or less continuously, with no settled homes, although often following well-established, traditional routes.作者: 噴出 時間: 2025-3-25 21:51
Industrial Food Production Systems,There are a number of food production systems that use little or no land (except for buildings) but do use biological organisms, usually in highly controlled environments. No-one would class them as farming, which seems generally to be associated with the use of land or water, but they are regarded here as part of agriculture.作者: ligature 時間: 2025-3-26 01:24 作者: confide 時間: 2025-3-26 08:00 作者: MAUVE 時間: 2025-3-26 08:38
https://doi.org/10.1007/978-3-658-02041-5 can be called agricultural, but this is not good enough if we are seriously interested in topics such as the role of science in agriculture, the role and importance of agriculture in the world and how agricultural efficiency can be improved.作者: Outmoded 時間: 2025-3-26 13:39
https://doi.org/10.1007/978-3-658-02041-5lled enterprises, farms, plantations, regional and national agricultures. It is useful to have a term of this kind that does not imply a particular size or level of organisation. After all, the essential activity does not imply anything of this kind and it is desirable to be able to discuss operatio作者: GRAVE 時間: 2025-3-26 17:51
https://doi.org/10.1007/978-3-8349-3900-5 to farm businesses just as to any other business activity, although it is often true that the objectives of farming may be rather different. If a large tract of land is wholly owned, it can be used for very low output enterprises (or not at all), such as grouse or tiger hunting. It may be said that作者: visceral-fat 時間: 2025-3-27 00:13 作者: onlooker 時間: 2025-3-27 02:51
Christiane Büdenbender-Kuklinskiquite common, especially in the tropics. People worked for relatively few hours each week, produced only what they required, collected fuel from the surrounding areas and played little part in the cash economy.作者: instate 時間: 2025-3-27 05:52
Ergebnisinterpretation und Diskussion,, so it would seem that a very high proportion of the world’s agriculture could be said to be engaged in mixed farming. This is not a very helpful view, however, and it is more useful to confine the term to situations where crop and livestock production are integrated.作者: 中和 時間: 2025-3-27 12:27
https://doi.org/10.1007/978-3-658-40458-1ion, to serve amenity purposes (lawns, flowers, trees and shrubs) and to increase soil fertility (e.g. by adding organic matter from senescent leaves and roots or nitrogen from decaying legume nodules).作者: forecast 時間: 2025-3-27 14:33
https://doi.org/10.1007/978-3-658-40458-1that give rise to products of major importance are listed in Table 12.1. Many of them also produce valuable by-products such as offals, bone meal, dung (used for fuel and the construction of huts), hair, feathers and glue; and some of them are also used for transport and traction. In many parts of t作者: 錯 時間: 2025-3-27 19:43
Ein Ausblick in die Kaiserzeit, of many countries, however, live in towns and may not be greatly affected by changes in the appearance and smell of the countryside. Indeed, one effect of the development of agricultural systems has been a great reduction in the number of people . engaged in agriculture.作者: 拱形大橋 時間: 2025-3-27 23:55
The Purposes of Agriculture, can be called agricultural, but this is not good enough if we are seriously interested in topics such as the role of science in agriculture, the role and importance of agriculture in the world and how agricultural efficiency can be improved.作者: Malleable 時間: 2025-3-28 05:21
The Contribution of Science,ole in their improvement. However, orthodox science subjects also contain relationships that can only be quantified in a statistical sense, so that prediction is concerned with an estimate of probability.作者: FIR 時間: 2025-3-28 07:19 作者: 尖叫 時間: 2025-3-28 14:14
Mixed Farming Systems,, so it would seem that a very high proportion of the world’s agriculture could be said to be engaged in mixed farming. This is not a very helpful view, however, and it is more useful to confine the term to situations where crop and livestock production are integrated.作者: habile 時間: 2025-3-28 17:56 作者: 無辜 時間: 2025-3-28 22:25 作者: 慢跑鞋 時間: 2025-3-29 00:54
The Purposes of Agriculture, can be called agricultural, but this is not good enough if we are seriously interested in topics such as the role of science in agriculture, the role and importance of agriculture in the world and how agricultural efficiency can be improved.作者: 流行 時間: 2025-3-29 04:56
A Systems Approach to Agriculture,lled enterprises, farms, plantations, regional and national agricultures. It is useful to have a term of this kind that does not imply a particular size or level of organisation. After all, the essential activity does not imply anything of this kind and it is desirable to be able to discuss operatio作者: 我怕被刺穿 時間: 2025-3-29 07:19 作者: dictator 時間: 2025-3-29 13:06
The Contribution of Science,ole in their improvement. However, orthodox science subjects also contain relationships that can only be quantified in a statistical sense, so that prediction is concerned with an estimate of probability.作者: SPALL 時間: 2025-3-29 16:22
Subsistence Farming and Shifting Cultivation,quite common, especially in the tropics. People worked for relatively few hours each week, produced only what they required, collected fuel from the surrounding areas and played little part in the cash economy.作者: Excitotoxin 時間: 2025-3-29 21:05
Mixed Farming Systems,, so it would seem that a very high proportion of the world’s agriculture could be said to be engaged in mixed farming. This is not a very helpful view, however, and it is more useful to confine the term to situations where crop and livestock production are integrated.作者: 老巫婆 時間: 2025-3-30 00:19
Crop Production Systems,ion, to serve amenity purposes (lawns, flowers, trees and shrubs) and to increase soil fertility (e.g. by adding organic matter from senescent leaves and roots or nitrogen from decaying legume nodules).作者: 連詞 時間: 2025-3-30 04:12
Animal Production Systems,that give rise to products of major importance are listed in Table 12.1. Many of them also produce valuable by-products such as offals, bone meal, dung (used for fuel and the construction of huts), hair, feathers and glue; and some of them are also used for transport and traction. In many parts of t作者: 亞麻制品 時間: 2025-3-30 10:18 作者: ORBIT 時間: 2025-3-30 14:59
Book 1988Latest editionn to such a study and it concentrates on an overall view, rather than on the detail, partly because of the need to relate the latter to some larger picture in order to appreciate the relevance and significance of the detail. This problem-of seeing the relevance of component studies and the significa作者: PUT 時間: 2025-3-30 19:04
ntroduction to such a study and it concentrates on an overall view, rather than on the detail, partly because of the need to relate the latter to some larger picture in order to appreciate the relevance and significance of the detail. This problem-of seeing the relevance of component studies and the significa978-94-011-6410-8978-94-011-6408-5
