• No results found

Nitrogen Rates

Growth, Yield and Nitrogen Use Efficiency of New Rice Variety under Variable Nitrogen Rates

Growth, Yield and Nitrogen Use Efficiency of New Rice Variety under Variable Nitrogen Rates

... fertilization rates exerted significant effect on number of tillers of new rice ...of nitrogen fertilizer up to 45 days of transplanting afterwards showed a falling ...

11

EFFECT OF NITROGEN RATES ON CRITICAL PERIOD FOR WEED CONTROL IN POTATO

EFFECT OF NITROGEN RATES ON CRITICAL PERIOD FOR WEED CONTROL IN POTATO

... of nitrogen rates on critical period for weed control in ...potato. Nitrogen fertilizer was applied at rates equivalent to 0, 100 and 200 kg N ha -1 ...

8

Development of Safflower Subjected to  Nitrogen Rates in Cerrado Soil

Development of Safflower Subjected to Nitrogen Rates in Cerrado Soil

... the nitrogen fertilizer recommendations in the literature for safflower crop show up conflicting, it was aimed by the present study to evaluate the development of safflower when subjected to nitrogen ...

8

Maize Fodder Yield and Nitrogen Uptake as Influenced by Farm Yard Manure and Nitrogen Rates

Maize Fodder Yield and Nitrogen Uptake as Influenced by Farm Yard Manure and Nitrogen Rates

... inorganic nitrogen sources are required (Anatoliy and Thelen, 2007); and if, FYM is additionally incorporated in the soil, it has positive effects on plant growth, yield and soil physiochemical properties and as ...

14

Rice yield, nitrogen utilization and ammonia volatilization as influenced by modified rice cultivation at varying nitrogen rates

Rice yield, nitrogen utilization and ammonia volatilization as influenced by modified rice cultivation at varying nitrogen rates

... application rates (0, 80, 160, 240 kg ha -1 ) and of N rates interacting with cultivation methods were also ...application rates and cultivation ...

7

High nitrogen rates do not increase canola yield and may affect soil bacterial functioning

High nitrogen rates do not increase canola yield and may affect soil bacterial functioning

... increase rates of N 328 mineralization (Plaza et ...N rates above 50 to 75 334 kg ha -1 would not be recommended due to the risk of leaching and low N use efficiencies of canola ...

37

Effect of Sources and Rates of Nitrogen Fertilizers on Forage Yield and Nitrate Accumulation for Sudangrass

Effect of Sources and Rates of Nitrogen Fertilizers on Forage Yield and Nitrate Accumulation for Sudangrass

... sources, rates of nitrogen fertilizers on fresh and dry forage yields of sudangrass, chemical constituents, nitrate and nitrite accumulation in plant using a split-plot design with three replicates ...to ...

5

The result of water-dispersible colloids in manure on the transfer of dissolved and colloidal phosphorus by the medium of a soil column

The result of water-dispersible colloids in manure on the transfer of dissolved and colloidal phosphorus by the medium of a soil column

... ammoniacal nitrogen to nitrate form which is highly susceptible to leaching along with the percolating ...of nitrogen loss from the field ...applied nitrogen is lost by ...that nitrogen ...

8

Effect of Irrigation Rates on Three Cotton (Gossypium hirsutum L.) Cultivars in a Root-knot Nematode (Meloidogyne incognita) Infested Field

Effect of Irrigation Rates on Three Cotton (Gossypium hirsutum L.) Cultivars in a Root-knot Nematode (Meloidogyne incognita) Infested Field

... tigated nitrogen on the performance of Fibermax (FM) 989BR, Stoneville (ST) 5599BR, and Pay- master (PM) 2280 BG/RR in a field infested with the root-knot nematode (Meloidogyne ...and nitrogen rates ...

11

Trophic dynamics of scleractinian corals: stable isotope evidence

Trophic dynamics of scleractinian corals: stable isotope evidence

... incorporation rates, percentage of AC remaining in the symbiotic association, AC lost and translocation were tested using a repeated measures ...incorporation rates of AC in symbionts and mean HC or HN ...

12

Coupling and uncoupling of triglyceride and beta-carotene production by Dunaliella salina under nitrogen limitation and starvation

Coupling and uncoupling of triglyceride and beta-carotene production by Dunaliella salina under nitrogen limitation and starvation

... during nitrogen limitation. The strong correlation, in nitrogen limitation, between triglycerides and beta-caro- tene was confirmed, and the uncoupling due to nitrogen starvation was ...of ...

10

Manure nutrient application on a Chinese dairy farm with arable land: A case study based on Dutch experience of equilibrium fertilization

Manure nutrient application on a Chinese dairy farm with arable land: A case study based on Dutch experience of equilibrium fertilization

... Finally, we recommend to combining and summarizing this information and knowledge in farm-specific ‘Manure Nutrient Management Plans’. The main element in such a plan is, as we illustrated in this paper, a calculation on ...

7

Response of Allium Crops to Nitrogen Fertilization Rates and Different Irrigation Water Sources

Response of Allium Crops to Nitrogen Fertilization Rates and Different Irrigation Water Sources

... different rates of N recorded the lowest values of SAR, this might have been attributable to the loaded amount of salts within the mixed water caused the high amount of available Ca ++ and remove part of Na + ...

13

Engineering xylose utilization in Yarrowia lipolytica by understanding its cryptic xylose pathway

Engineering xylose utilization in Yarrowia lipolytica by understanding its cryptic xylose pathway

... high nitrogen conditions, overall lower final cell mass accumulation and growth rates were observed under low nitrogen for the engineered strain (grown on xylose) compared to the wild type (grown on ...

15

Nitrogen Leaching from Paddy Field under Different Fertilization Rates

Nitrogen Leaching from Paddy Field under Different Fertilization Rates

... 63669IRUZLQGRZV06([FHODQG$GREH3KRWRVKRSSURJUDPVZHUH used in this paper for data analysis, graph preparation and drawing picture. All data were subjected to analysis of variance for a randomized complete block design with ...

14

Profit-Maximizing Nitrogen Fertilization Rates for Alternative Tillage and Winter Cover Systems

Profit-Maximizing Nitrogen Fertilization Rates for Alternative Tillage and Winter Cover Systems

... SUMMARY AND CONCLUSIONS Research has shown that no-tillage cotton following a winter cover crop can positively impact soil productivity and reduce the adverse impacts of cotton production on the environment. Among the ...

13

Herbicides, Nitrogen-Scheduling and –Rates Effects on Economics of Wheat (Triticum aestivum  L.)

Herbicides, Nitrogen-Scheduling and –Rates Effects on Economics of Wheat (Triticum aestivum  L.)

... of nitrogen also showed significantly difference on gross return, net return and benefit cost ...the nitrogen scheduling, Split application of nitrogen 50% basal + 25% CRI + 25% flowering recorded ...

5

Nitrogen and Potassium Dynamics in Tea Cultivation as Influenced by Fertilizer Type and Application Rates

Nitrogen and Potassium Dynamics in Tea Cultivation as Influenced by Fertilizer Type and Application Rates

... Nutrient budget assessment serves as an effective tool for estimating the magnitude of nitrogen loss/gain of the agro-eco systems and to appraise their sustainability. It brings forth awareness of soil fertility ...

7

Composition and Yields of Native Grassland Sites Fertilized at Different Rates of Nitrogen.

Composition and Yields of Native Grassland Sites Fertilized at Different Rates of Nitrogen.

... Certain species, such as western wheatgrass, showed continued increase in basal cover and density with increased rates of applied introgen on all range sites.. Blu[r] ...

7

The Renal Excretion of Nitrogenous Compounds by the Duck (Anas Platyrhynchos) Maintained on Freshwater and on Hypertonic Saline

The Renal Excretion of Nitrogenous Compounds by the Duck (Anas Platyrhynchos) Maintained on Freshwater and on Hypertonic Saline

... Excretion by the non-infused birds Table 2 The urine flow rates and the rates of excretion of total nitrogen, uric acid, ammonia and urea by the freshwater-maintained birds did not diffe[r] ...

13

Show all 10000 documents...

Related subjects