搜索结果: 1-7 共查到“农学总论 nutrition”相关记录7条 . 查询时间(0.206 秒)
Changes in the nutrition and health status of young Norway spruce stands in the Krkonoše Mts. in a 17-year period
mountain forest height increment defoliation nutrients stress elements nutrient ratio
2018/3/6
For 17 Norway spruce stands located in the Krkonoše Mts. in the Czech Republic a long-term assessment of defoliation,
height increment, foliage concentration of nutrients (N, P, Ca, K, Mg) and s...
Notes on Plant Nutrition
absorption translocation
2015/1/22
Plant nutrition is the study of absorption, translocation, and function of essential elements or nutrients in plants. Essential elements are chemical elements that meet criteria that determine that th...
Effects of integrated nitrogen fertilization and irrigation systems, rootstocks, and cultivars on productivity, water and nitrogen consumption, and mineral nutrition of pear
N Fertigation Drip Irrigation Irrigation Water Consumption
2013/2/28
Water and nitrogen (N) management are key factors for sustainable pear production in many areas. Effects of integrated N fertilization and irrigation systems, rootstocks, and cultivars on pear (Pyrus ...
USDA ANNOUNCES EFFORTS TO INCREASE SUPPLEMENTAL NUTRITION ASSISTANCE PROGRAM PARTICIPATION
SUPPLEMENTAL NUTRITION ASSISTANCE PROGRAM USDA
2010/4/29
Agriculture Secretary Tom Vilsack today announced that USDA will award grants of up to $5 million to improve access to and increase participation in the Supplemental Nutrition Assistance Program (SNAP...
Micronutrients and Animal Nutrition and the Link between the Application of Micronutrients to Crops and Animal Health
Micronutrients animal health animal nutrition
2009/1/8
Micronutrients (or 'trace elements') are required in animal diets for health and welfare, and therefore they are essential for the agricultural production of milk, meat, fibre, and eggs. It is clear ...
第十四届植物铁营养与相互作用国际研讨会（14th International Symposium on Iron Nutrition and Interactions in Plants）
第十四届 植物铁营养 相互作用 国际研讨会
2008/6/14
主题：植物铁营养与人类健康
会期：2008年10月11－15日
主办：中国科学院遗传与发育生物学研究所
协办：中国农业科学院作物科学研究所
中国农业大学
北京师范大学
HarvestPlus China
本次会议目的是汇聚从事植物铁营养及相关研究领域（如土壤学，植物育种学，动物和人类营养学等）的科学家进行交...
STUDY ON THE ENERGY NUTRITION VALUES OF HULL-LESS BARLEY IN EXPERIMENTS WITH MUSCOVY DUCKS
Metabolizable energy hull-less barley Muscovy ducks
2010/11/30
Using adapted methods for balanced experiments with waterfowl, the apparent (AMEn-0) and the true (TMEn-0) metabolizable energy of hull-less barley have been established. Despite the lower content of ...