Welcome to this Focus Issue on Spatial Variability
Terry L. Roberts and Steve Phillips | 3 |
Upcoming Events
| 3 |
Precision Agriculture: Does It Make Sense?
Viacheslav I. Adamchuk | 4 |
Spatial Variability and SSNM of Spring Wheat Production under Collective Contract Cropping (Northeast China)
Shao-wen Huang, Li-mei Huang, Shuang-quan Liu, Ji-yun Jin,
and Ping He | 7 |
Use of Village-Level Soil Fertility Maps as a Fertilizer Decision-Support Tool in the Red and Lateritic Soil Zone of India (West Bengal, India)
Wasim Iftikar, G.N. Chattopadhayay, K. Majumdar, and G.D. Sulewski | 10 |
Optimizing Nitrogen for Wheat Growing on Hostile Subsoils (Australia)
John F. Angus, Charlie N. Walker, J.F. Pedler, and Rob M. Norton | 13 |
Temporal Variability of Crop Response to Fertilizer (Ohio, North America)
Robert Mullen, Greg LaBarge, and Keith Diedrick | 16 |
Use of Active Optical Sensors for Crops in Brazil
J.P. Molin | 18 |
Advances in the Use of Remote Sensors in Argentinean Agriculture
Ricardo Melchiori | 21 |
IPNI Joins as a Supporter and Exhibitor for AG CONNECT Expo in January 2011
| 23 |
Precision Management Zones Increase Sugar Production in North Dakota and Minnesota (Northern Great Plains)
David Franzen, Greg Richards, and Tom Jensen | 24 |
Spatial Variability of Soil Fertility Parameters and Efficiency of Variable Rate Fertilizer Application in the Trans-Volga Samara Region (Russia)
A. Tsirulev | 26 |
IPNI Introduces “Nutrient Source Specifics” Series
| 28 |
Getting Started with Precision Agriculture (North America)
Amy Winstead and John Fulton | 29 |
IPNI Introduces NuGIS – A New Tool for Evaluation of Nutrient Use and Balance in the U.S.
| 31 |
The Role of Spatial Variability in Nutrient Management
Steve Phillips | 32 |
