Biological approaches to sustainable soil systems - Part 1 pptx

... Biodiversity in the Humid Tropics 17 2 .1. 1 Three Puzzles of Tropical Soils 18 2 .1. 1 .1 Nutrient Availability 18 2 .1. 1.2 Nutrient Replenishment 18 2 .1. 1.3 Organic Matter 18 2 .1. 2 Biodiversity as a Pervasive ... Thies CONTENTS 1. 1 Components of Soil Systems 3 1. 2 Understanding Soil System Dynamics 5 1. 2 .1 Difficulties in Analyzing Biological Components 6 1....

Ngày tải lên: 11/08/2014, 17:21

... rhizobia on field-grown legumes, Appl. Environ. Microbiol., 57, 19 –28 (19 91) . Tisdall, J.M. and Oades, J.M., Organic-matter and water-stable aggregates in soils, J. Soil Sci., 33, 14 1 16 3 (19 82). van ... aggregating factors. Then at a 20 0- m m scale, roots, and fungal hyphae bind these particles together. The resulting soil is a matrix of mineral particles Biological Approac...

Ngày tải lên: 11/08/2014, 17:21

... - - - - 13 .0 - - Nonfertilized 17 .0 6.4 28 .1 7.8 4.2 SED 5.3 2.06 11 .2 3.04 1. 2 F probability , 0.0 01 , 0.0 01 , 0.05 , 0.05 , 0.05 - -, treatment not evaluated. Biological Approaches to Sustainable ... 96.0 11 .7 9 .1 Recommended fertilizer 57.6 8.4 57 .1 10.4 7.2 Gliricidia sepium (12 t) 53.6 12 .4 79.8 17 .3 - - Gliricidia sepium (8 t)...

Ngày tải lên: 11/08/2014, 17:21

... The total atmospheric pool of N 2 O is estimated at 15 10 million metric tons nitrogen. As the total source is 14 .7 million metric tons year 21 and total sink is 12 .6 million metric tons year 21 , ... USA CONTENTS 43 .1 Climate and Soil Systems 618 43.2 Effects of Projected Climate Change on Soil Systems 620 43.2 .1 Increase in the Atmospheric Concentration of CO 2 and So...

Ngày tải lên: 11/08/2014, 17:21

... 1 ffirs.indd ivffirs.indd iv 6/3/09 12 :11 :45 PM6/3/09 12 :11 :45 PM ffirs.indd iiffirs.indd ii 6/3/09 12 :11 :45 PM6/3/09 12 :11 :45 PM Contents vii 5 GEOGRAPHIC INFORMATION SYSTEMS, ENVIRONMENTAL JUSTICE, ... Implications of Findings 11 1 Lessons on Interdisciplinary Approaches to Urban Health Research 11 7 Conclusion 11 9 Summary 11 9 6 RACIAL INEQUALITY IN HEALTH AND T...

Ngày tải lên: 02/07/2014, 07:20

... She put her knowledge into use to try to fi gure out how to meet her obligations, but with no income, it was c07.indd 17 1c07.indd 17 1 6/3/09 12 :02: 51 PM6/3/09 12 :02: 51 PM 18 0 The U.S. Foreclosure ... 213 9 – 216 6. 19 . Nettleton, S. Losing homes through mortgage possession: A “ new ” public health issue. Critical Public Health, 8, no. 1 (19 98): 47 – 58. c07.indd...

Ngày tải lên: 02/07/2014, 07:20

... the consortium allocated grants - in - aid funding to support local profes- sionals and decision makers in their efforts to launch and sustain evidence - based pro- grams for preventing and reducing ... - based participatory research, they haven ’ t been used widely to improve TD science, training, and translation. 15 Provide Effective Incentives to Increase Scie...

Ngày tải lên: 02/07/2014, 07:20

... extracorpuscular causes (Table 10 1- 1 ); however, before reviewing the individual types of HAs, it is appropriate to consider what they have in common. Table 10 1- 1 Classification of Hemolytic ... Extracorpuscular Factors Hereditary Hemoglobinopathies Familial hemolytic uremic syndrome (HUS) Chapter 10 1. Hemolytic Anemias and Anemia Due to Acute Blood Loss (Part...

Ngày tải lên: 07/07/2014, 04:20

... time intervals, and the data can have only a limited Minute Binary Representation 11 10 10 10 30 11 110 59 11 1 011 Note: We are not using the word "continuous" here in the sense of continuously ... of 40 RPM. To achieve this speed, we must supply 10 Volts to the motor terminals. However, with 10 volts supplied to the motor at rest, it takes 30 seconds for our m...

Ngày tải lên: 09/08/2014, 07:20