Rice (Oryza sativa L.) is an important food crop for a large proportion of the world's
population. Total rice production will need to increase to feed an increasing world …

Summary Nitrate nitrogen (NO3‐N) losses from agriculture into groundwater are a
continuing concern for society. The agricultural community must begin to reduce these …

Invariably, many agricultural soils of the world are deficient in one or more of the essential
nutrients needed to support healthy plants. Acidity, alkalinity, salinity, anthropogenic …

This single volume explores the theoretical and the practical aspects of crop physiological
processes around the world The marked decrease over the past century in the land …

Partial factor productivity (Pfp) from N fertilizer is the ratio of grain yield to the applied N rate.
It is a parameter that includes contributions to N-use efficiency from both indigenous N of the …

First published in 1989, this book deals with the impact of cereal production upon the Third
World, specifically 'Modern Varieties'(MVs). Using evidence from plant breeding, economics …

The research reviewed in this article shows that a sound scientific basis for the efficient
management of nitrogen fertilizers in cereal production has been established, particularly in …

Agriculture Pollutes: pesticides can destroy wildlife and some are toxic to humans; some
fungicides and herbicides cause cancer. Nitrates result in the contamination of drinking …

Nitrogen deficiency is one of the most important nutritional disorders in lowland rice
producing areas around the world. Nitrogen fertilizer recommendations for lowland rice …

Short-term influxes of 13NH4+ were measured in intact roots of 3-week-old rice (Oryza
sativa L. cv M202) seedlings that were hydroponically grown at 2, 100, or 1000 [mu] M …