ectropion
发表于 2025-3-30 09:24:40
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Amorous
发表于 2025-3-30 14:57:53
Useful Ferns, Bryophytes, Fungi, Bacteria and Viruses, tends to be overlooked. Here they are being considered separately from the flowering plants in this and the following chapter in order to stress their economic importance for the food, drink, medicine, biochemical industries, etc.
AXIOM
发表于 2025-3-30 18:25:59
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空洞
发表于 2025-3-31 00:21:13
Economic Botany,cord is believed to be the collection of stones (endocarps) from the fruit of . (hackberry) plus clear evidence of the use of fire associated with the remains of Peking man . from the Middle Pleistocene deposits at Zhoukoudian (Choukoutein), China (Day, 1969; Renfrew, 1973). Monod (1970) noted a sim
colostrum
发表于 2025-3-31 04:02:45
Plant Collecting, Taxonomy and Nomenclature,the applied scientist. It is not intended to provide a comprehensive treatment of these subjects; although it is hoped that it will make the applied scientist better informed about what to them may appear to be a source of irritation to their immediate research projects.
变化
发表于 2025-3-31 05:34:53
Plant Conservation,ent is being destroyed at an unacceptable rate. For example, 11.3 million ha out of a global total of more than 4,000 million ha of forest are currently being cleared annually, 45 % of which is attributed to shifting cultivation and long fallow agriculture. Many countries, especially in Africa, will
Host142
发表于 2025-3-31 11:27:08
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Matrimony
发表于 2025-3-31 16:40:43
Plant Breeding and Propagation,. For more than 10,000 years there have been both conscious selection by the cultivator for larger seeds, etc. and an unconscious selection for non-shattering seed heads and other useful characters. To some extent chance has enabled a particular species to be brought into cultivation and to be prefe
Emmenagogue
发表于 2025-3-31 18:25:24
Marketing of Crops and Crop Products,the domestic, national or international market. Obviously the purchaser will require the product to be available at the time required and for it to be of the desired quantity and quality. While the domestic market may permit some flexibility, where further processing or national and international ma
变色龙
发表于 2025-4-1 00:36:40
Human and Animal Nutrition,pair of tissues. Nutritional studies involve the study of both diets and deficiency diseases. A . is one that will provide at least the minimum nutritional requirements for energy, protein, minerals and vitamins required by an organism. An ., such as one low in fibre or with excessive vitamins, will