1st Edition

GIS Applications in Agriculture, Volume Two Nutrient Management for Energy Efficiency

Edited By David Clay, John F. Shanahan Copyright 2011
472 Pages 228 B/W Illustrations
by CRC Press

472 Pages
by CRC Press

We are entering a new era in production agronomics. Agricultural scientists the world over call for the development of techniques that simultaneously increase soil carbon storage and reduce agriculture’s energy use. In response, site-specific or precision agriculture has become the focus and direction for the three motivating forces that are changing agriculture today: the expanding capacity of... Read more

Introduction: scale of the problem, impact of nutrient management on energy efficiency, the relationship between energy efficiency and production efficiency
Calculating energy efficiency
Obtaining critical information
Defining field boundaries
Obtaining digital information, remote sensing, soils, yield monitor data
Manure management
P index relationship to energy and water quality efficiency
P management zones
Manure impacts on carbon, N, and water budgets
Water management
Relationship between water and energy efficiency
Water and nutrient management-irrigation planning
Water and nutrient management for ethanol production
Matching crops, landscape positions, and nutrient management
Landscape planning for improved water use efficiency
Legumes and cover crops
Crop residue harvesting impacts
Nitrogen
Relationship between N and energy efficiency
Real-time management vs. mapped management, Remote sensing- Ground-based sensor technology vs. aerial or satellite imagery
Model-based recommendations
Nutrient removal based recommendation.
Delta-yield based N recommend

Biography

David Clay is professor of Plant Science at South Dakota State University. His research program aims to develop and test sustainable agricultural management systems that enhance environmental quality and maintain rural economies and self sufficiency.

John Shanahan is an Agronomy Research Manager with Pioneer Hi-Bred International of Johnston, Iowa. He is responsible for developing and disseminating agronomic recommendations that enable farmers to maximize economic returns while improving nutrient and water use efficiency in crop production.