Available micronutrient status and their relationship with soil properties of vegetable growing area of Jammu district

Mondal, Aniruddha; Rai, Ashish; Wali, Pardeep; Kumar, Manoj

doi:10.5958/2249-5258.2015.00015.9

Cited by 3 publications

(1 citation statement)

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“…The iron content were significantly and positively correlated with organic carbon and clay content of the soil. The results follows the line of Mondal et al [21]. Fe availability greatly affected by pH and CaCO 3 content.…”

Section: Dtpa-fesupporting

confidence: 88%

Metal Nutrient Distribution and Availability in Vegetable Growing Soils of Coimbatore District, Tamil Nadu

Bose

Selvi

Chitdeshwari

et al. 2021

IJPSS

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Knowledge about distribution and bio availability of micronutrients is critically needed for better production of agricultural products both quantitatively and qualitatively. The study intended to evaluate the micronutrient status, availability and its interaction with soil properties in the vegetable ecosystem. This study looks at the availability of micronutrient metal cation with their diversified soil properties. A total number of 25 surface soil samples were collected from major vegetable growing areas and basic soil parameters such as pH, electrical conductivity, organic carbon, clay, cation exchange capacity, and free CaCO3 were examined. Micronutrients, both total and accessible, were also determined in soil. Zn and Fe deficiencies were found to a tune of 36 and 24 percent respectively in the overall soil samples, respectively. Deficiencies in Mn and Cu were found in extremely small quantities. Calcareous soils contribute to 40% of the soils analysed. Among the different soil properties, pH and CaCO3 showed a significant negative impact on micronutrient bioavailability whereas organic carbon and clay enhances the availability of micronutrients. The total micronutrient was not significantly correlated with the bioavailability of their respective nutrients.

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Section: Dtpa-fesupporting

confidence: 88%

Metal Nutrient Distribution and Availability in Vegetable Growing Soils of Coimbatore District, Tamil Nadu

Bose

Selvi

Chitdeshwari

et al. 2021

IJPSS

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Boron and zinc fertilizer applications are essential in emerging vegetable‐based crop rotations in Nepal

Shrestha

Becker

Lamers

et al. 2020

J. Plant Nutr. Soil Sci.

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Background: Since recently, the traditional rice–wheat rotation systems in Nepal are subject to drastic changes. Progressing urbanisation and shifting consumer preferences drive a replacement of wheat by high‐value vegetables during the cold dry season, particularly in the peri‐urban fringes, while emerging water shortages prevent permanent soil flooding during the monsoon season, leading to partial substitution of lowland rice by less water‐consuming upland crops. Associated changes in soil aeration status affect soil nutrient availability while particularly vegetables enhance the demand for the critically limiting micronutrients boron (B) and zinc (Zn).Aim: In both rice‐ (anaerobic) and maize‐based (aerobic) systems we assessed the differential response of traditional winter wheat in comparison to cauliflower and tomato to applied B and Zn fertilizers.Methods: Experiments were conducted (1) in a pot trial with two contrasting soil types (Acrisol vs. Fluvisol) and (2) in field validation trials at two contrasting sites (representing lowland vs. mid‐hills) in Nepal.Results: The on‐going shift from flooded rice to aerobic maize during the wet season negatively affected dry matter accumulation and grain yield of the dry season wheat, but not of cauliflower and tomato. While Zn application tended to increase wheat yields under field conditions, B application induced no significant effect, irrespective of the soil or production site. However, low to moderate applications of B (2.0–4.4 kg ha−1) and Zn (3.3–4.4 kg ha−1) nearly doubled biomass accumulation and nutrient uptake of vegetables and increased the economic yields of cauliflower and tomato between 8 and > 100%. These responses were generally more pronounced in the Fluvisol than the Acrisol. While overall yields of wheat and temperate vegetables were higher in the cool mid‐hills the relative yield responses to applied B were more pronounced in the lowland than the mid‐hill sites. On average, the partial factor productivities of applied fertilizer were low to moderate in wheat, with 1 and 8 € increase in net revenue per € of investment in B and Zn, respectively. In the vegetables, this partial factor productivity increased to about 4 € €−1 investment with Zn, and reached about 43 € €−1 investment in B, irrespective of the production site.Conclusions: While the application of Zn fertilizers can moderately improve the performance of traditional rice–wheat rotations, B and to a lesser extent Zn application become essential and highly profitable when shifting towards vegetable cropping. The demand for B and Zn fertilizers is foreseen to dramatically increase with progressing urbanisation and the associated shifts in production systems of Nepal.

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Threshold Limits of Soil in Relation to Various Soil Functions and Crop Productivity

Pawar¹,

Kumawat²,

Verma³

et al. 2017

Int.J.Curr.Microbiol.App.Sci

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Available micronutrient status and their relationship with soil properties of vegetable growing area of Jammu district

Cited by 3 publications

References 0 publications

Metal Nutrient Distribution and Availability in Vegetable Growing Soils of Coimbatore District, Tamil Nadu

Metal Nutrient Distribution and Availability in Vegetable Growing Soils of Coimbatore District, Tamil Nadu

Boron and zinc fertilizer applications are essential in emerging vegetable‐based crop rotations in Nepal

Threshold Limits of Soil in Relation to Various Soil Functions and Crop Productivity

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