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  • SSNM approach
  • SSNM in three steps
  • Initial concept of SSNM
  • Current version of the SSNM approach
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  • Principles of N management
  • Background on making an N Recommendation
  • Using the SSNM approach to formulate locally adapted N recommendation
  • Using the Leaf Color Chart (LCC) for fertilizer N management
  • FAQs on N Management
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  • Principles of P and K management
  • Background on making P and K recommendations
  • Using SSNM approach to formulate P recommendations
  • Using SSNM approach to formulate K recommendations
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  • Bangladesh
  • China
  • India
  • Indonesia
  • Myanmar
  • Philippines
  • Vietnam
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  • Introduction to SSNM version 1.1
  • N management
  • P&K management
  • Implementing SSNM recommendations
  • Making an SSNM recommendation for rice
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  • SSNM: an approach for optimizing nutrient use in intensive rice production
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  • Nutrient omission plot
  • Potassium addition plot
  • Zinc addition plot

Myanmar

 

Locally Adapted Recommendations Locally adapted SSNM recommendations for wet-seeded rice and transplanted in the summer season and transplanted rice in the wet season are available at the links below.

SSNM recommendation for wet-seeded rice and transplanted rice in summer season

Download Version 1.1 [PDF 150 KB]

SSNM recommendation for transplanted rice in wet season

Download Version 1.1 [PDF 118 KB]

The results from the nutrient omission plot technique were used to develop preliminary guidelines for using fertilizer P and K based on soil type and an estimate of attainable yield (Table 2). These guidelines aim to judiciously target the limited supply of fertilizers to specific soils and rice-growing areas to achieve higher profit for farmers and high rice production for Myanmar. The guidelines will be evaluated and demonstrated on a range of soils in 2006 and 2007.

Table 2. Guidelines for the application of triple superphosphate (TSP, 46% P₂O₅) and muriate of potash (MOP, 60% K₂O), according to attainable yield target and P-limited or K-limited yield as estimated by soil type.

*No recommendation is provided because the application of fertilizer N with SSNM is not sufficient to readily obtain these yield levels.

56 lbs acre⁻¹ = one-half bag of fertilizer
56 lbs acre⁻¹ = 26 lbs P₂O₅ acre⁻¹ or 34 lbs K₂O acre⁻¹
28 lbs acre⁻¹ = 13 lbs P₂O₅ acre⁻¹ or 17 lbs K₂O acre⁻¹

The following criterion is used to group soils in the guidelines for P and K application.

The guidelines for fertilizer P and K use are supplemented with guidelines for improved N management, which include use of the leaf color chart (LCC) for both transplanted and wet-seeded rice. The guidelines for N management enable the application of judicious amounts of urea when rice leaves are more yellowish green than a threshold color during the critical growth stages of tillering and panicle initiation.

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