1. One of the primary objectives of the symposium was to provide an opportunity for presentation of latest views regarding the availability of mineral nutrients in soils and mechanisms of absorption and translocation of these mineral nutrients by plants.
  2. This video is Session 3 part 3 of our ongoing training on "Introduction to Soil Science." This training gives a broad overview and introduction to some basic soil characteristics: phases (solid, liquid, gas), texture, density, structure, reaction (pH), plant-water relationships, organic matter,...
  3. 俗话说“你不知道你有一个问题你就不可能解决问题”,这是诊断植物营养缺乏基础科学的支撑。多年来,很多农民和科学家一起工作,通过多种线索来判断农作物的营养缺乏。这些线索和症状十分有用,特别是在土壤和植物组织试验做不了或行不通时。
  4. This book contains information on plant nutrition starting with the basics, to major elements, to micronutrients, plant analysis, ending with tissue testing. It also includes appendixies from definitions, to elemental requirements to Nitrogen contents.
  5. 1971-01-01 It is the purpose of this booklet to suggest some ways of studying plants that may involve students more fully, especially in the design and development of elementary research suitable for school laboratories. Educational Products Division, LaMotte Chemical Products, Chestertown, MD 74 pages,...
  6. This book disusses the use of synthetic chelating agents in plant nutrition.
  7. GrowerTalks magazinemay be the best-known greenhouse trade publication in the world. While it’s published in America’s Midwest, just outside of Chicago, its reach and influence is global, with its editors historically on the road and in the air to find the stories, trends and news. Format:...
  8. 关键资源
    2009-01-20 All plants need certain mineral elements for proper growth, development, and maintenance. The basic structure of all organisms is built of carbon (C), oxygen (O) and hydrogen (H). Plants obtain these elements from water (H2O) in the soil and carbon dioxide (CO2) in the air, so no input is...
  9. 2012-01-01 Strong gradients of decreasing soil fertility are found in many regions of the world. Millions of smallholders are now facing this serious crisis which causes them lower crop yields, and many of these families also suffer from food insecurity. With the aim of promoting recovering soil fertility...
  10. 关键资源 1994-03-15 This volume is the revised English translation of the German title, "Bodenfruchtbarkeit und Standortgerechte Landwirtschaft". It presents a range of practices conducive to sustainable agricultures, and is of particular importance for the development of smallholdings in the tropics. These include...