IPNI Staff Meeting June 8th, 2015 WEB TOOL ON NUTRIENT BUDGETS AT FARM LEVEL Dr. Eros Francisco – Deputy Director, IPNI Brazil Mr. José Francisco da Cunha, Consultant Evandro Lavorenti - IT, IPNI Brasil Input Output
InpútInputOutput Nutrient budget: definition Output > Inpt Lower yields/depletion of resources Input > Output higher costs/risk of impacts Budget = (Inputs – Outputs)
Nutrient budget in Brazilian Agriculture: evolution Yamada & Lopes Informações Agronômicas, n.84, Dec/1998 Cunha, Casarin, Prochnow Informações Agronômicas, n.130, Jun/2010 Cunha, Casarin, Prochnow Informações Agronômicas, n.135, Set/2011 Cunha, Francisco, Casarin, Prochnow Informações Agronômicas, n.145, Mar/2014 Francisco, Cunha, Prochnow, Casarin Better Crops, v.99, n.2, 2015
Nutrient budget in Brazilian Agriculture : 2009 a 2012 Sources of data: ANDA: fertilizer consumption by state IBGE: total production for 18 crops
Nutrient Budget NP2O5P2O5 K2OK2O (t) Total crop removal (t) 6,551,2801,853,1623,286,358 Deductions (t) 4,706,9234,428193,566 Crop removal - net (I) 1,844,3571,848,7343,092,792 Total nutrient use (II) 2,836,8203,467,0343,790,569 Nutrient budget (II - I) 992,4631,618,300697,777 Use index (I/II x 100) 65%53%82% Removal/use ratio (II/I) Fonte: Cunha et al. – Informações Agronômicas, mar/2014 Nutrient budget in Brazilian Agriculture ( ): annual average Soybeans: NBF supplies 100% of N removed Sugarcane: 20% of land gets 100% of K from vinasse
Crop Use index (%) NP2O5P2O5 K2OK2O Soybeans-5099 Maize Sugarcane Coffee Cotton Rice Common beans Orange Wheat Fonte: Cunha et al. – Informações Agronômicas, mar/2014 Nutrient budget in Brazilian Agriculture ( ): by crop
Region NP2O5P2O5 K2OK2O Use index (%) South Southeast Midwest Northeast North Brasil Fonte: Cunha et al. – Informações Agronômicas, mar/2014 Nutrient budget in Brazilian Agriculture ( ): by region
Nutrient budget: indexes 1. Removal to use ratio = Input (Nutrient use) x 100 Output (Crop removal) Better Crops, (99) 2015, No. 2
Nutrient budget: indexes 2. Agronomic index = NPK applied (kg) x 100 Agronomic yield (ton) Cunha, JF, Casarin, V, Prochnow, LI Informações Agronômicas, n.130, jun/2010
Source: Joel Hillesheim (2013) Source: Michel Cambri (2013) Nutrient budget at farm level: examples ItemAverage Production (bags)192,859 NPK applied/ha165 NPK applied/ton33 NPK removed/ha133 Budget ( NPKa - NPKr ) 32 ItemAverage Production (bags)48,949 NPK applied/ha166 NPK applied/ton36 NPK removed/ha120 Budget ( NPKa - NPKr ) 46
Web tool for nutrient budget calculation:
Abroad: 53 Stats: how many users, where they from, how they acess? Plataform% Linux0.1 Mac OSX0.9 iPad1.2 iPhone6.6 Android8.4 Windows PC82.9 Users: 2,776
CropNP2O5P2O5 K2OK2O kg/ha Soybean Maize Sugarcane Coffee Cotton Wheat Stats: most visited crops, average nutrient application? Most visited crops (%) Average of nutrient application
Web tool for nutrient budget calculation Demonstration