Special Issue "Advances in Nutrient Management in Soil-Plant System"
Deadline for manuscript submissions: 10 December 2023 | Viewed by 7401
Interests: INM in soil-plant system; agronomic bio-fortification; nitrogen management; conservation agriculture; micronutrients and secondary nutrients management; spatial distribution of nutrients; heavy metal pollution; nutrient use efficiency
Special Issues, Collections and Topics in MDPI journals
Interests: soil chemistry & fertility; precise plant nutrient prescription; micronutrient management in soil-plant systems; spatial variability studies and precision agriculture; agronomic biofortification; diagnosis and recommendation integrated system (DRIS)
Special Issues, Collections and Topics in MDPI journals
Interests: micronutrients and heavy metal management in soil-plant systems; organic matter; IPNS; biofortification; nutrient management in conservation agriculture and organic farming
Interests: long term fertilizer experiment and balanced fertilization and integrated nutrient management; organic corban management; chemistry of soil P and K management; conservation agriculture; Soil and water pollution; environmental monitoring and assessment
Plant nutrients are elements that are essential for plant growth and reproduction, and they are available in the soil or from air or water. When existing soil nutrients cannot produce good crop yields, additional nutrients must be added. Nutrients are added to the soil from commercial fertilizers or from organic sources, such as manure, compost or biosolids. Nutrient management involves using crop nutrients as efficiently as possible to improve productivity while protecting the environment. The key principle behind nutrient management is balancing soil nutrient inputs with crop requirements. When applied in proper quantities and at the right times, amounts, sources and methods, added nutrients help achieve optimum crop yields; applying too little will limit yield and applying too much does not make economic sense and can harm the environment. Nutrients that are not effectively utilized by crops can potentially leach into groundwater or enter nearby surface waters. The adoption of intensive farming practices with imbalanced application of fertilizers along with low or nil organic manures (including crop residue) addition resulted in reduced crop productivity and crop quality, depletion in soil organic carbon stock, soil compaction, emergence of multi-nutrients deficiencies and low nutrient use efficiency in different soil-crop scenarios across the world. Fertilizer use in different soils is fairly skewed towards N and P fertilization, and inadequate application of K, S and micronutrients caused wide-spread deficiencies of these nutrients. Moreover, spatial and temporal variations in levels of soil fertility do not support adequate crop production with blanket recommendations of fertilizers. The inefficient use of fertilizers not only affects plant nutrition and nutrient use efficiency but also results in reduced factor productivity, which leads to environmental degradation and poor return farm return. Further, improper source, method and time of nutrient application also add to low nutrient use efficiency, plant nutrition and crop productivity. In addition, the rampant micronutrients deficiencies in soils and crops across the globe cause a reduction in crop yield and the nutritional quality of economic produce. Poor micronutrients availability in soil is reflected in the concentration of these nutrients in food/fodder, which, in turn, affects livestock and human health. Therefore, adequate and balanced use of fertilizers, including micronutrients and organic manures in the right rate, source, method and time, as per the spatial and temporal variations of soil fertility levels, is required for the efficient utilization of added fertilizer nutrients with better plant nutrition and enhanced soil-crop productivity without impairing the soil health.
For this Special Issue, authors are invited to publish articles related to the assessment of spatial and temporal distribution of nutrients for precise prescription; development of soil management zones efficient nutrient use; evaluation of crop responses to nutrients application; development of balanced/integrated nutrient management strategies for sustaining soil health and crop quality; development of site-specific nutrient management strategies with right rate, source, method and time for precision nutrient prescription; enhancement of nutrient use efficiency; identification of genetically/agronomically nutrient efficient genotypes of different crops; establishment of the critical limits of nutrients under different soil-crop condition for revising nutrient recommendations; and devising best management practices (BMP) for the nutrients under various soil-crop situations.
Dr. Arvind Kumar Shukla
Dr. Sanjib Kumar Behera
Dr. Salwinder Singh Dhaliwal
Dr. Mahesh Chand Meena
Manuscript Submission Information
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- soil fertility and integrated plant nutrient management
- precise plant nutrient prescription
- site-specific nutrient management
- agronomic biofortification
- soil and plant nutrient mapping
- climate change and nutrient management
- nutrient mangment in conservation agriculture/organic farming