Mg/kg; 10% are sufficient and 90% have insufficient
Research gap analysis derived from 4 agriculture papers in our local library.
The gap
mg/kg; 10% are sufficient and 90% have insufficient available Zn content; the available Mn level was insufficient in all soil samples.
Evidence profile
Sourced from the stated research gap and conclusions and abstract of the source papers, classified as general, drawn from work published between 2017 and 2026, spanning 4 journals. Those papers have been cited 1 times in total.
Research trend
Established — well-defined area with open sub-problems.
Supporting evidence — 4 representative gaps
- Soil Nutrient Status and Fertility Assessment of Rice Cultivation Areas in Keşan, Türkiye (2026) · DOAJ (DOAJ: Directory of Open Access Journals) · doi
Nutrient limitations, particularly low OM, N deficiency, and reduced Mn-Zn availability, necessitate improved fertilization practices and targeted soil management.
generalstated research gapevidence 5/5Keywords: nutrient limitations particularly low deficiency reduced mn-zn availability - Spatial variability and GIS-based mapping of soil chemical properties in the Chambal region, Madhya Pradesh (2026) · Plant Science Today · doi
Among the micronutrients, Zn deficiency emerged as a major limitation, whereas Fe, Cu and Mn showed variable but generally adequate status.
generalconclusionsevidence 4/5Keywords: among micronutrients deficiency emerged major limitation variable generally adequate status - PROTOCOL: Agronomic biofortification strategies to increase grain zinc concentrations for improved nutritional quality of wheat, maize and rice: a systematic review (2017) · Campbell Systematic Reviews · doi
However, the effects of soil and foliar fertilisation on zinc concentrations beyond basic plant nutrition and productivity remain not fully understood.
generalabstractevidence 4/5Keywords: effects soil foliar fertilisation zinc concentrations beyond basic plant nutrition productivity remain fully understood - Ağrı/Eleşkirt Yöresi Tarım Topraklarının Verimlilik Durumunun Değerlendirmesi (2022) · Turkish Journal of Agriculture - Food Science and Technology · cited 1× · doi
78 mg/kg; 10% are sufficient and 90% have insufficient available Zn content; the available Mn level was insufficient in all soil samples.
generalabstractevidence 4/5Keywords: insufficient available sufficient content level soil samples
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