AGRONOMIC RESEARCH FOR RICE PRODUCTION SYSTEMS IN MISSISSIPPI

Project: Research project

Project Details

Description

Mississippi ranks fourth in the USA in rice acreage. In 2010, the fourth largest acreage was planted which was approximately 125,000 hectares. The clay soils, abundant water, and a favorable climate have proven effective for rice production. Rice has become an important part of the Delta farming system. Furthermore, since approximately 50% of the rice produced in Mississippi is exported to other countries, Mississippi rice production is also important internationally. This research project will emphasize research in agronomic practices for rice production in Mississippi. Cultivar/hybrid development plays a large role in increasing yields, which often increases the profitability for the rice producer. It is imperative to evaluate cultivars and hybrids for nutrient response, row spacing, seeding rates, etc. to maximize the genetic potential from which yields and quality are greatly improved. Since sustainable productivity and environmental policy are the key issues for Mississippi agriculture, each factor that is involved in producing rice must be evaluated to maintain a balanced production system. More specifically, land-grant university nutrient recommendations are becoming more important in establishing environmental law; therefore, it is imperative to continually refine nutrient recommendations for various production scenarios so these key issues are addressed concomitantly. This research project will help develop the best agronomic practices under varying production systems for new cultivars, fertilizer sources, soil amendments, and plant growth regulators. Furthermore, the soil environment can vary extensively which affects nutrient dynamics. More basic laboratory investigations will be conducted to help model nitrogen loss mechanisms and determine tools to offset nitrogen loss.New technologies are being developed by MSU, other land-grant institutions, and industry. The nitrogen soil test for rice (N-ST*R) has been developed by the University of Arkansas, and is being validated in Mississippi. Additionally, MSU has helped to develop the prediction model for Greenseeker (a tool that looks at ability of the rice crop's canopy to reflect energy), which promises the potential for growers to apply N fertilizer on an as needed basis once rice reaches the reproductive growth stage. As these and other new technologies are developed, our program is in place to refine the technology in a grower friendly manner.

StatusFinished
Effective start/end date4/1/026/30/16

Funding

  • National Science Foundation: $324,500.00

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