corn.doc

Introduction of Corn Name：Chen Fang Student ID：222012326012118 Class：12 agricultural class 4 Abstract:This article mainly introduce the relevant knowledge of Maize.Corn is also called Corn is one of the three major cereal crops, is the world recognized gold food,originated from Peru in South America . About 7,000 years ago, it was planted by local indians only, regarded as goddess bread maize. In 1942, Christopher Columbus, will Shen Pin, called corn as Indian seeds, plug all over the world.Corn was introduced into China about in the 16th century, when the emperor of China, aliens come as a tribute, Chinese grain corn, wheat as imperial. For high yield of corn mature faster, cold-resistant, ability is strong, and extremely nutritional value, so soon became the worlds grain crops. Especially nearly a century, along with the development of science and technology, as well as food for health and diet, and constantly improve the understanding of the significance of corn nutrition more attention. American food association will corn as pearl crown, Japan will be regarded as national treasure corn, Chinas famous nutritionists in truth; if wood, Corn is long, is when the staple food; the qualification The world health organization (WHO) will also called human dietary structure of corn opportunely balance ambassador. So it is very important and helpful to reveal the secrets of corn. Here, I introduce from the following aspects of corn. Nutrition value and application of maize、 Teosinte and maize story、 Morphological characteristics of Maize、 The physiological characteristics of Maize、 revolution of Maize 、 Mechanical harvesting of corn、 cultivation practices of maize 、 Light and temperature characteristics of Maize、 breeding of Maize、 the uses of corns、 To the beautiful corn lady 1.Nutrition value and application of maize Corn is rich in fat and carbohydrates,and it rich in vi