Synergistic Effects of Mineralization Degree and Sodium Adsorption Ratio on the Rhizosphere Bacterial Community and Soil Nutrients of Upland Cotton Under Saline Water Irrigation DOI Creative Commons

Chenfan Zhang,

Guang Yang, Huifeng Ning

и другие.

Agronomy, Год журнала: 2025, Номер 15(4), С. 895 - 895

Опубликована: Апрель 3, 2025

In global drought-prone cotton-growing (Gossypium hirsutum L.) areas, saline water irrigation has become a key strategy to alleviate the shortage of freshwater resources. Against this backdrop, synergistic effect mineralization degree (MD) and sodium adsorption ratio (SAR) on rhizosphere microecological regulation mechanism remains unclear. To address issue, study constructed an experimental framework interaction between MD SAR, aiming explore their effects bacterial community structure in cotton soil environment. The type area is saline–sodic sandy loam. design, three levels (3 g/L, 5 7 g/L) were set, under each condition, SAR (10 (mmol/L)1/2, 15 20 (mmol/L)1/2) arranged. addition, local was used as control group (CG), resulting total 10 treatment schemes. aim investigate varying communities results indicated that could enhance diversity richness alter its structure. Under with 3 g/L reached peak levels. Compared CG, Chao1 index significantly increased by 260 units, while Shannon 0.464. When does not exceed reducing can network stability community, thereby synergistically promoting accumulation nutrients. environmental factors driving changes mainly include moisture content, nitrogen, nitrate organic carbon. concentrations available phosphorus, potassium 19.66%, 26.10%, 89.41%, 49.76% respectively (p < 0.05). This provides theoretical basis for sustainable microbial strategies saline–alkali fields at level, offers new perspective revealing mutual feedback assembly environment conditions. From practical perspective, research valuable hands-on experience optimizing agricultural ecological management loam soils, contributing development agriculture such lands.

Язык: Английский

Synergistic Effects of Mineralization Degree and Sodium Adsorption Ratio on the Rhizosphere Bacterial Community and Soil Nutrients of Upland Cotton Under Saline Water Irrigation DOI Creative Commons

Chenfan Zhang,

Guang Yang, Huifeng Ning

и другие.

Agronomy, Год журнала: 2025, Номер 15(4), С. 895 - 895

Опубликована: Апрель 3, 2025

In global drought-prone cotton-growing (Gossypium hirsutum L.) areas, saline water irrigation has become a key strategy to alleviate the shortage of freshwater resources. Against this backdrop, synergistic effect mineralization degree (MD) and sodium adsorption ratio (SAR) on rhizosphere microecological regulation mechanism remains unclear. To address issue, study constructed an experimental framework interaction between MD SAR, aiming explore their effects bacterial community structure in cotton soil environment. The type area is saline–sodic sandy loam. design, three levels (3 g/L, 5 7 g/L) were set, under each condition, SAR (10 (mmol/L)1/2, 15 20 (mmol/L)1/2) arranged. addition, local was used as control group (CG), resulting total 10 treatment schemes. aim investigate varying communities results indicated that could enhance diversity richness alter its structure. Under with 3 g/L reached peak levels. Compared CG, Chao1 index significantly increased by 260 units, while Shannon 0.464. When does not exceed reducing can network stability community, thereby synergistically promoting accumulation nutrients. environmental factors driving changes mainly include moisture content, nitrogen, nitrate organic carbon. concentrations available phosphorus, potassium 19.66%, 26.10%, 89.41%, 49.76% respectively (p < 0.05). This provides theoretical basis for sustainable microbial strategies saline–alkali fields at level, offers new perspective revealing mutual feedback assembly environment conditions. From practical perspective, research valuable hands-on experience optimizing agricultural ecological management loam soils, contributing development agriculture such lands.

Язык: Английский

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