1、The combined nitrogen and phosphorus fertilizer application reduced

Despite this, the effects of N and P fertilizers on the expression of genes involved in soil carbon (C), nitrogen (N), and phosphorus (P) cycles, and their consequent influence on soil multifunctionality, remain unclear. To investigate this, we conducted a long-term nine-year experiment.

2、Global nitrogen and phosphorus fertilizer use for agriculture

Abstract. In addition to enhancing agricultural productivity, synthetic nitrogen (N) and phosphorous (P) fertilizer application in croplands dramatically alters global nutrient budget, water quality, greenhouse gas balance, and their feedback to the climate system.

3、Global nitrogen and phosphorus fertilizer use for agriculture

In addition to enhancing agricultural productivity, synthetic nitrogen (N) and phosphorous (P) fertilizer application in croplands dramatically alters global nutrient budget, water...

4、Nitrogen and Phosphorus Use Efficiency in Agroecosystems

Nitrogen (N) and phosphorus (P) are two significant macronutrients for the growth and development of the plant. These two nutrients represent the highest percentage of fertilizer manufacturing and consumption in the agriculture sector.

5、Differential effects of sole and phosphorus based nitrogen fertilizer

The novelty of current study lies in exploring the potential relationship between N forms uptake, NUE and PUE when sole nitrogen and phosphorus-based nitrogen fertilizers are applied for wheat.

Optimizing Nitrogen and Phosphorus Fertilizer Application for

In this study, alongside the application of potassium and organic fertilizers, we investigated varying nitrogen application rates (100 kg/ha, 180 kg/ha) and phosphorus application rates (40 kg/ha, 80 kg/ha, 120 kg/ha).

Effects of different fertilizer types on nitrogen and phosphorus

Method A rice/Chinese cabbage rotation experiment was conducted to study the change of four fertilization treatments to crop yield, fertilizer absorption, runoff-driven N and P loss.

Nitrogen and Phosphorus interactions in plants: from agronomic to

Nitrogen (N) and Phosphorus (P) are the two most essential nutrients ensuring food production and security. The ever growing population demands more N and P-based fertilizers.

Effects of Different Nitrogen and Phosphorus Synergistic Fertilizer on

Different nitrogen and phosphorus fertilizer ratios were set, combined with the nitrogen concentration level of each part of the plant, the effects of different nitrogen and phosphorus synergist fertilizer ratios on nitrogen metabolism related enzymes (nitrogen assimilation related enzyme activity) and genes (nitrogen transporter genes and ...

Effects of combined nitrogen and phosphorus application on soil

Nitrogen (N) and phosphorus (P) fertilizers change the morphological structure and effectiveness of P in the soil, which in turn affects crop growth, yield, and quality.

Nitrogen (N) and phosphorus (P) fertilizers are indispensable in agricultural production, playing critical roles in plant growth. Although both are chemical fertilizers, they differ in composition, properties, and functions. Below is a detailed comparison of their differences and applications:

1. Composition and Properties

• Nitrogen Fertilizers: Nitrogen fertilizers contain elemental nitrogen, sourced from natural materials (e.g., animal manure, seaweed) or synthetic compounds (e.g., urea, ammonium nitrate). They promote leaf growth, increase leaf area, and enhance photosynthetic efficiency. Additionally, they stimulate root development, improving water and nutrient uptake.

• Phosphorus Fertilizers: Phosphorus fertilizers contain elemental phosphorus, derived from natural sources (e.g., bone meal, fish powder) or synthetic products (e.g., calcium phosphate, superphosphate). They strengthen root systems, aiding water and nutrient absorption, while also promoting stem growth and improving lodging resistance.

2. Functions

• Roles of Nitrogen Fertilizers:

  • Stimulate leaf expansion and photosynthesis.
  • Enhance root growth and nutrient absorption.
  • Facilitate protein synthesis and stress resistance in plants.

• Roles of Phosphorus Fertilizers:

  • Bolster root development and nutrient uptake.
  • Strengthen stems to prevent lodging.
  • Improve absorption of other nutrients (e.g., potassium, calcium).

3. Applications

• Uses of Nitrogen Fertilizers:

  • Promote leaf growth and photosynthesis.
  • Support root development and nutrient uptake.
  • Enhance absorption of supplementary nutrients like potassium and calcium.

• Uses of Phosphorus Fertilizers:

  • Strengthen roots and improve water/nutrient absorption.
  • Reinforce stems for structural stability.
  • Aid in the uptake of additional nutrients (e.g., potassium, calcium).

4. Fertilization Methods

• Nitrogen Fertilizers: Applied as liquids or solids via foliar spraying, drip irrigation, or furrow application. Dosage depends on plant needs and soil conditions; excess use may lead to excessive vegetative growth or reduced disease resistance.

• Phosphorus Fertilizers: Typically applied as solids but can also be used via foliar spraying, drip irrigation, or furrows. Dosage should align with plant demands and soil properties; overapplication may cause poor growth or root diseases.

5. Precautions

• Avoid direct contact between fertilizers and plant roots to prevent root burn.
• Follow the "small doses, frequent applications" principle to minimize toxicity risks.
• Consider soil pH and salinity to optimize fertilizer efficacy.

Both nitrogen and phosphorus fertilizers are vital for crop yield and quality by providing essential nutrients for growth. excessive use can lead to soil degradation and environmental pollution. Rational application and management are critical to sustainable agriculture.