Advances in agronomy. Volume one hundred and twenty two /
Advances in Agronomy continues to be recognized as a leading reference and a first-rate source for the latest research in agronomy. As always, the subjects covered are varied and exemplary of the myriad of subject matter dealt with by this long-running serial. Maintains the highest impact factor amo...
| Άλλοι συγγραφείς: | |
|---|---|
| Μορφή: | Ηλ. βιβλίο |
| Γλώσσα: | English |
| Έκδοση: |
San Diego, CA :
Academic Press,
2013.
|
| Έκδοση: | First edition. |
| Σειρά: | Advances in Agronomy ;
v. 122. |
| Θέματα: | |
| Διαθέσιμο Online: | Full Text via HEAL-Link |
Πίνακας περιεχομένων:
- Front Cover; Advances in Agronomy; Copyright; Contents; Contributors; Preface; Chapter One: Micronutrient Constraints to Crop Production in the Middle East-West Asia Region: Significance, Research, an ... ; 1. Introduction; 1.1. Awareness of micronutrients in the Middle East-West Asia region; 1.2. Milestones in micronutrient research; 2. Middle East-West Asia: An Overview; 2.1. Climate: Rainfall and temperature; 2.2. Land features and soils; 2.3. Farming systems and crops; 3. Soil Factors and Micronutrient Behavior; 3.1. Iron in soils and cropping implications.
- 3.1.1. Influence of carbonate chemistry3.1.2. Mineralogy and iron forms; 3.1.3. Soil properties as chlorosis indicators; 3.1.4. Iron fertilizers and soil reactions; 3.2. Zinc, copper, manganese, and boron; 4. Micronutrient Disorders: Diagnosis Approaches; 4.1. Crop sensitivity to micronutrient deficiencies; 4.2. Deficiency symptoms in common Middle East-West Asia crops; 4.3. Soil testing in the Middle East-West Asia region; 4.4. Plant analysis, a complement to soil testing; 4.5. Crop responses to micronutrients; 5. Micronutrient Research: Significance, Soil Behavior, and Crop Responses.
- 5.1. The intractable problem of iron5.2. Zinc, a serious regional concern; 5.3. Boron, too little or too much?; 5.3.1. Plant available boron; 5.3.2. Excess boron in soils; 5.3.3. Boron toxicity: Expanded treatment; 5.4. Manganese and copper: Minor concerns; 6. Managing Micronutrient Deficiencies; 6.1. Conventional approaches; 6.2. Biofortification, an emerging concept; 6.3. Fertilizer-use efficiency and residual effects; 6.4. Soil micronutrient budgets and balances; 6.5. Micronutrient content of crop seeds; 7. Future Research Needs; 8. Conclusions; Acknowledgments; References.
- Chapter Two: Assessment and Modeling of Soil Available Phosphorus in Sustainable Cropping Systems1. Introduction; 2. Phosphorus in Agricultural Soils; 2.1. Importance of phosphorus in crop production; 2.2. Phosphorus cycle in the plant-soil system; 2.3. Definition of soil available phosphorus; 2.4. Factors affecting soil available phosphorus; 2.4.1. Soil properties; 2.4.2. Agricultural management; 2.4.3. Environmental conditions; 2.4.3.1. Effects of freezing and thawing cycles on soil available phosphorus; 2.4.3.2. Effects of drying and rewetting cycles on soil available phosphorus.
- 3. Soil Available Phosphorus Measurements3.1. Laboratory methods for assessing soil available phosphorus; 3.1.1. Chemical extraction methods; 3.1.2. Water extraction methods; 3.1.3. Phosphorus fractionation methods; 3.1.4. Optical measurements; 3.1.4.1. Near-infrared reflectance spectroscopy; 3.1.4.2. Electroultrafiltration; 3.2. In situ measurements of soil available phosphorus; 3.3. Isotopic dilution method to evaluate soil available phosphorus; 4. Modeling Soil Available Phosphorus.
