文档介绍：Plant nutrition
Lecturer : Prof. Wang Linquan
Office: 测试楼321
Tel: 87091533
Mobile: **********
Acknowledge
I expresses thanks to Assoc. Prof. Rob Reid of Adelaide university of Australia, Dr Jeff Gale, foreign teacher of Northwest A&F University of China, and Prof. Zhang Fusuo, Prof. Li Xiaolin of China Agriculture University, Prof. Liu Yuanyin of Northeast agriculture Unversity and other authors, who provide materials for me, or whose materials, such as photographs and figures etc, I used in the lectures.
Introduction 绪论
What is plant nutrition?
Plant nutrition is the part of plant physiology that deals with the uptake and assimilation(同化) of nutrients for the optimal functioning of the plant.
The supply and adsorption of pounds needed for growth and metabolism may be defined as nutrition(营养).
The pounds or elements required by anism termed nutrients(养分).
What is plant nutrition?
Evolution
发育、进化
Genotype
基因型
physiological characteristics
生理特征
Growth
CO2
O2
Photosynthesis
光合作用
Water relations
uptake of Nutrients
养分吸收
Assimilation
of nutrients
养分同化
Main Processes
regulation of growth
生长调节
Reproduction
繁殖、生殖
H2O
O2
Mineral
Nutrients
What are plant nutrients?
What are fertilizers?
Ancient Practices Up To The Fall Of Rome
Many of the sound(合理的,有效的) agricultural practices of today, including manuring, liming, and crop rotations with legumes were also important in ancient times.
Organic manures have been used in Chinese agriculture for over 3,000 years. Descriptions of using human and animal wastes, plant ashes and grasses and how these materials benefited crop production and improved soil fertility were recorded in our country over 2,000 years ago.
These same early Greek writers recognized the value of green manure crops, particularly legumes. Many of these ancients rated lupine(羽扇豆) as the best general-purpose green-manure crop because it grew well under a wide range of soil conditions, furnished供给 food for man and beast, was easy to seed an