logging in or signing up plkongres2007 crop 04 Dabby Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: Embed: Flash iPad Copy Does not support media & animations WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 60 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: October 04, 2007 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Making do with less: Making do with less Senior adviser, Plant nutrition Leif Knudsen, DAASSlide2: Making do with less: Nitrogen statistic for Denmark Trials with increasing amounts of Nitrogen Different types of nitrogen fertilzer in cereals, maize and potatoes Starter fertilizers to maize Manganese and other micronutrients Reducing leaching of nitrogenSlide3: Imported Exported Surplus Kyllingsbæk, 2005 Nitrogen account for Denmark Slide4: Input of nitrogen in Danish Agriculture Input reduced 35 pct from 84/85 to 04/05Nitrogen in animal manure from cattle: Nitrogen in animal manure from cattle 1985 1996 2004 Milk yield, ECM per cow 6300 7600 8745 Excr. kg per cow 123 128 134 Excr. gr. per kg ECM 19,5 16,8 15,4 Dairy cows, 1,000 890 701 569 Kg N from cattle, 1,000 t 170 142 115 Nitrogen excretion from pigs: Nitrogen excretion from pigs Excretion of nitrogen per kg produced kg meatResults of trials with increasing amounts of nitrogen: Results of trials with increasing amounts of nitrogen 2006 Ave. 2001-2005 196 84,7 65 Winterwheat 130 58,7 54 S.Bar-ley Opti-mal N, kg/ha Yield, deci-ton/ha No. of tri. Opti-mal N, kg/ha Yield, deci-ton/ha No. of tri.Slide9: ENTEC fertilizer to spring barley, 3 tr. 2006 0 20 40 60 80 100 120 0 50 100 150 200 250 Kg N in grain per ha Reference NS 24-7 Kg N per haSlide10: 0 20 40 60 80 100 120 140 160 180 0 50 100 150 200 250 300 Sulfammo NS 23-18 to winter wheat, 5 tr. 2006 Kg N uptake in grain per haSlide11: 9,5 10,0 10,5 11,0 11,5 12,0 12,5 150 175 200 175 175 175 Percent protein -------NS 24-7------- --NS 24-7 + N-plus-- 4 trials with N-Plus to winter wheat 2006 20 N i N-Plus st. 51 20 N i N-Plus st. 37 2 x 10 N i N-Plus Slide12: Nitrogen Phos- phor. Yield and response Units per haSlide13: Winter barley without spraying with manganese sulphate Winter barley with 2 x autumn spraying with 2,5 kg manganese sulphate Slide14: 30 N in calcium- nitrate footplaced 30 N in amm.sul-phate footplaced 2 x MnSO4 autumn sprayed Untreated 2 trials with foot placed fertilizer to prevent manga- nese deficiency in winter barley, 2006 Picture from trial no. 001 April 2006Slide15: Trials with micronutrients 2005-2006Slide16: 0 10 20 30 40 50 60 70 80 Leaching of nitrogen, kg N/ha 60 kg N/ha 120 kg N/ha Spring barley, with and without catch crops Ploughed spring Without catch crop Ploughed spring with catch crop Catch crops give more than a 50 per- cent reduction in leachingSlide17: Mustard as an intercrop between two winter wheat crops or sown together with winter wheatSlide18: 0 5 10 15 20 25 30 35 40 0-25 25-50 50-75 75-100 Kg N-min per 25 cm soil per ha Depth cm Reduction of leaching in rotations dominated by winter cerealsSlide19: Does the Danish regulation of nitrogen work and does it have an environmental impact? Slide20: Thank you for your attention You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
plkongres2007 crop 04 Dabby Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: Embed: Flash iPad Copy Does not support media & animations WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 60 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: October 04, 2007 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Making do with less: Making do with less Senior adviser, Plant nutrition Leif Knudsen, DAASSlide2: Making do with less: Nitrogen statistic for Denmark Trials with increasing amounts of Nitrogen Different types of nitrogen fertilzer in cereals, maize and potatoes Starter fertilizers to maize Manganese and other micronutrients Reducing leaching of nitrogenSlide3: Imported Exported Surplus Kyllingsbæk, 2005 Nitrogen account for Denmark Slide4: Input of nitrogen in Danish Agriculture Input reduced 35 pct from 84/85 to 04/05Nitrogen in animal manure from cattle: Nitrogen in animal manure from cattle 1985 1996 2004 Milk yield, ECM per cow 6300 7600 8745 Excr. kg per cow 123 128 134 Excr. gr. per kg ECM 19,5 16,8 15,4 Dairy cows, 1,000 890 701 569 Kg N from cattle, 1,000 t 170 142 115 Nitrogen excretion from pigs: Nitrogen excretion from pigs Excretion of nitrogen per kg produced kg meatResults of trials with increasing amounts of nitrogen: Results of trials with increasing amounts of nitrogen 2006 Ave. 2001-2005 196 84,7 65 Winterwheat 130 58,7 54 S.Bar-ley Opti-mal N, kg/ha Yield, deci-ton/ha No. of tri. Opti-mal N, kg/ha Yield, deci-ton/ha No. of tri.Slide9: ENTEC fertilizer to spring barley, 3 tr. 2006 0 20 40 60 80 100 120 0 50 100 150 200 250 Kg N in grain per ha Reference NS 24-7 Kg N per haSlide10: 0 20 40 60 80 100 120 140 160 180 0 50 100 150 200 250 300 Sulfammo NS 23-18 to winter wheat, 5 tr. 2006 Kg N uptake in grain per haSlide11: 9,5 10,0 10,5 11,0 11,5 12,0 12,5 150 175 200 175 175 175 Percent protein -------NS 24-7------- --NS 24-7 + N-plus-- 4 trials with N-Plus to winter wheat 2006 20 N i N-Plus st. 51 20 N i N-Plus st. 37 2 x 10 N i N-Plus Slide12: Nitrogen Phos- phor. Yield and response Units per haSlide13: Winter barley without spraying with manganese sulphate Winter barley with 2 x autumn spraying with 2,5 kg manganese sulphate Slide14: 30 N in calcium- nitrate footplaced 30 N in amm.sul-phate footplaced 2 x MnSO4 autumn sprayed Untreated 2 trials with foot placed fertilizer to prevent manga- nese deficiency in winter barley, 2006 Picture from trial no. 001 April 2006Slide15: Trials with micronutrients 2005-2006Slide16: 0 10 20 30 40 50 60 70 80 Leaching of nitrogen, kg N/ha 60 kg N/ha 120 kg N/ha Spring barley, with and without catch crops Ploughed spring Without catch crop Ploughed spring with catch crop Catch crops give more than a 50 per- cent reduction in leachingSlide17: Mustard as an intercrop between two winter wheat crops or sown together with winter wheatSlide18: 0 5 10 15 20 25 30 35 40 0-25 25-50 50-75 75-100 Kg N-min per 25 cm soil per ha Depth cm Reduction of leaching in rotations dominated by winter cerealsSlide19: Does the Danish regulation of nitrogen work and does it have an environmental impact? Slide20: Thank you for your attention