Presently, 50% of the human population relies on nitrogen (N) fertilizer for food production.
The world today uses around 83 million metric tons of N, which is about a 100‐fold increase …

Nitrogen (N) is the main mineral element in plant tissues and almost all of this nutrient is
acquired from the soil by the roots. Nitrogen is available in many different forms in the soil …

This new edition provides current information on the nutritional requirements of world crops.
It presents research on the acquisition, accumulation, transport, and functions of chemical …

Water Relations of Plants and Soils, successor to the seminal 1983 book by Paul Kramer,
covers the entire field of water relations using current concepts and consistent terminology …

Without roots there would be no rhizosphere and no rhizodeposition to fuel microbial activity.
Although micro-organisms may view roots merely as a source of carbon supply this belies …

▪ Abstract The root system of a plant is as complicated as the shoot in its diversity, in its
reactions with the matrix of substances, and with the myriad organisms that surround it …

Why a New Handbook on Root Methods? Uptake of water and nutrients is a key process in
agricultural and natural ecosystems. Plant roots play a vital role in the supply of resources …

Nitrogen is the mineral nutrient that plants need in the greatest quantities and the one that
most frequently limits plant growth and crop yields. Most plants get their nitrogen (N) from the …

Aluminum (Al) is the most abundant metal in the Earth's crust and is not an essential element
for plant growth. In contrast, nitrogen (N) is the most important mineral element for plant …

Soil ecosystems support a plethora of intertwined biophysical and biochemical processes.
Soil structure plays a central role in the formation and maintenance of soil biological activity …