1、Effect of Different Potassium Fertilizer Application Rates on the Yield

Potassium (K) is crucial for global maize (Zea mays L.) production, yet the issue of “high K fertilizer input but low utilization efficiency” in K-rich soils of Xinjiang remains underexplored.

2、Revisiting potassium

Soil potassium (K) deficit is extremely challenging for global food security, necessitating optimal K-fertilization strategies to reconcile crop productivity and soil fertility.

3、Frontiers

Plant nutrient resorption efficiency is regulated by multiple environmental factors. Specifically, soil total phosphorus (STP) and total potassium (STK) serve as the primary drivers of NRE, while electrical conductivity (EC) and aridity index (AI) play critical roles in modulating PRE.

4、植物钾营养胁迫研究进展

The general situation of potassium nutrient stress is summarized from potassium, potassium nutrient stress and symptoms of potassium nutrient stress.

Study on the Supply of Nitrogen, Phosphorus and Potassium Nutrients of

<p id="p00010"><bold>【Objective】</bold> Through the study of soil nutrient supply in Xinjiang, this paper aims to further provide basic data for the evaluation of arable land quality.<bold>【Method】</bold> This paper collected soil nutrient supply data documented literature from 2000 to 2019 in Xinjiang, combining data created “3414 ...

Maize Yield and Fertilizer Use Efficiency in Xinjiang and Their

Maize phosphorus and potassium fertilizer utilization rates and yields were significantly negatively correlated with soil pH. Soil salinization was one of the main factors limiting maize yield and the improvement of phosphorus and potassium fertilizer utilization in Xinjiang.

Soil and climate factors affect the nutrient resorption characteristics

Methods: This study investigated the concentrations of nitrogen, phosphorus, and potassium, as well as their resorption efficiencies, in 21 shrubs within a desert ecosystem in Xinjiang, Northwest China.

Effects of nitrogen, phosphorus, and potassium fertilizers on

For agronomic efficiency, fertilizer contribution rate, and apparent utilization rate, nitrogen was the most efficient, followed by potassium, with phosphorus showing near-zero efficiency.

Xinjiang Study Unveils Soil Nutrient Secrets for Smarter Farming

In the heart of Xinjiang’s Kashi Prefecture, a groundbreaking study is reshaping how we understand and manage soil nutrients, with significant implications for precision agriculture and the broader agricultural sector. Published in *PLoS ONE*, the research led by Quan Xu introduces a novel approach to soil nutrient assessment that could revolutionize farming practices and boost crop yields.

Effect of Different Potassium Fertilizer Application Rates on the Yield

Potassium (K) is crucial for global maize (Zea mays L.) production, yet the issue of “high K fertilizer input but low utilization efficiency” in K-rich soils of Xinjiang remains underexplored.

The reasons for potassium deficiency in Xinjiang's soil primarily involve the following aspects:

1. Topographic and Geomorphic Influences: Situated at the northwest frontier of China, Xinjiang features complex terrain with elevations declining from west to east. Soil types and distribution exhibit distinct regional characteristics. In certain areas such as the Tarim Basin, higher elevations and limited precipitation contribute to lower soil potassium content. Additionally, Xinjiang's arid climate significantly impacts soil potassium levels.

2. Climatic Constraints: Xinjiang's temperate continental climate, characterized by scarce rainfall and high evaporation rates, accelerates soil moisture loss. Substantial temperature fluctuations between day and night hinder potassium accumulation and transformation, potentially leading to reduced soil potassium concentrations.

3. Irrational Agricultural Structure: Xinjiang's agriculture predominantly focuses on wheat and corn production. These crops have relatively low potassium requirements compared to nitrogen and phosphorus, leading to disproportionate nutrient management favoring nitrogen and phosphorus. This imbalance contributes to insufficient potassium replenishment in the region's soils.

4. Inadequate Soil Management: Soil improvement practices in Xinjiang remain underdeveloped. Excessive chemical fertilizer use in pursuit of yield often exacerbates potassium depletion. The region's poor water retention capacity further accelerates nutrient loss through runoff.

5. Water Scarcity: Severe water resource limitations, particularly groundwater shortages, directly impact potassium availability. Inadequate irrigation infrastructure also compromises fertilization efficiency in arid zones.

6. Economic Constraints: Limited economic development and lower farmer incomes prioritize cost-effective fertilizers over potassium-rich options. Higher potash prices create additional financial barriers for widespread adoption.

Xinjiang's potassium deficiency results from interrelated factors including geomorphology, climate, agricultural practices, soil management, water resources, and economic conditions. Addressing this issue requires comprehensive strategies: advancing soil management technologies, diversifying crop rotations, improving rural economies, optimizing water resource utilization, and promoting efficient water-saving irrigation systems.