Phosphorus Management Strategies in Sustainable Agricultural System
Dilkhush Meena
Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh (492 012), India
Mukesh Prajapat
Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh (492 012), India
Babita Meena
Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh (492 012), India
C.K. Dotaniya*
Swami Keshwanand Rajasthan Agricultural University, Bikaner, Rajasthan (334 006), India
M.D. Meena
ICAR-Directorate of Rapeseed Mustard Research, Sewar, Bharatpur, Rajasthan (321 303),
DOI: NIL
Keywords: Agronomic Management, Efficiency, Phosphorus Availability, Sustainability
Abstract
Phosphorus limitation is a major challenge for crop production and productivity in the world, as the phosphorus element is less mobile and highly fixed in the soil. Phosphorus deficiency occurs in Indian as well as world soils, and estimates predict no P-reserves by 2050. Nowadays, India does not have any adequate reserves of rock phosphate, posing a threat to sustainable crop production. This article is an attempt to provide necessary strategies that can be employed to manage and improve P availability in the soil for plants. Agronomic interference like weed management, development of P stress-tolerant varieties, deep band placement of P fertilizers, conservation tillage, and use of cover crops improves phosphorus availability in farming systems. Other soil phosphorus management practices like composting, organic amendments, and many soil microorganisms play an important role in increasing phosphorus availability in soil and supplying P to plants in a sustainable and eco-friendly way.
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Reference
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