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1.
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The nutrient dynamic studies revealed wide spread deficiency of N&P in the province while K deficiency was localized in rice tract and sandy soils. The analytical data revealed that magnitude of deficiency for NPK is found to be 95%, 90% and 30%, respectively while 57%&50% soils in Punjab are deficient in Zinc (Zn) and Boron (B) respectively.
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2.
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Worked out the economics of fertilizer use. The Value Cost Ratio (VCR) of recommended doses for different crops were calculated to be as 3:1 in cereals, 4:1 in sugarcane, 3.5:1 in cotton and 6:1 in potatoes. Use of balanced fertilization only in wheat crop in Punjab can contribute an increase in income worth Rs.55.744 billion than existing fertilizer use practices of the farmers.
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3.
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Demonstrated the impact of balanced fertilization to increase profitability and arrest nutrient mining. In existing fertilizer use scenario K nutrient is depleting annually @ 3 ppm.
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4.
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Research on biological constraints in crop production indicated that fertilizer is key input and contributing more than 50% among different yield controlling factors.
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5.
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Established critical limits for macro and micro nutrients and standardized test methodologies.
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6.
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Established the best time and method of fertilizers application for various crops to harvest potential yields.
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7.
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Developed site specific fertilizer recommendation system for major cash / grain crops.
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8.
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Analyzed 4029208 soil, 505778 water, 91717 miscellaneous and 17855 fertilizers anti-adulteration for guidance of farmers and provision of General and Site Specific fertilizer recommendations to increase per acre yield and enhance the national economy.
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9.
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Delineated soil fertility status of Punjab soils and water quality of running tube wells and on the basis of available data, soil profile mapping at district & province levels was done.
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10.
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Updating of fertilizer recipes and verification of existing recommendation remained continuous activity for raising actual yield potentials of various crops.
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