In agricultural soils, plant-available nitrogen (N) and phosphorous (P) may be inadequate for
crop production although total N and P concentrations are high. Therefore, N and/or P …

It's well known that the development and distribution of roots could be regulated to obtain
deep soil resource and enhance the grain yield by increasing the depth of fertilization, but …

Efficient fertilizer placement is attracting increasing interest as tillage systems change,
economic profitability becomes tighter, environmental awareness increases, and …

Fertilizers play a significant role in securing the production of food crops around the world. In
fact, it is estimated that fertilizers currently support 40-60% of all crop production currently …

As phosphorus (P) is a finite, non-renewable resource, it should be used as efficiently as
possible. Different placement methods (broadcast, band, deep band, and others) can …

Efficient use of fertilizer is needed to meet the increasing food demand, minimize negative
environmental impacts, and maximize farmers' profits. Fertilizer deep placement (FDP) could …

Deep application of nitrogen fertilizer (DANF) is a strategy based on applying nitrogen
fertilizer in the plow layer where it is not exposed to the surface of the soil. Due to its …

Much of our knowledge of plant growth in response to soil nutrient supply comes from
studies under homogeneous soil conditions. However, the adoption of reduced or nil tillage …

Farm fields are traditionally fertilized as one homogeneous soil unit. Most fields, however,
contain two or more soils with different crop yield potentials. This study was conducted to (i) …

Increasing crop productivity per unit of land area to meet future food and fiber demand
increases both soil nutrient removal and the importance of replenishing soil fertility through …