IPNI Staff MeetingJune 8th, 2015
WEB TOOL ON NUTRIENT BUDGETS AT FARM LEVEL
Dr. Eros Francisco – Deputy Director, IPNI BrazilMr. José Francisco da Cunha, Consultant
Evandro Lavorenti - IT, IPNI Brasil
Input
Output
OutputInpútInput Output
Nutrient budget: definition
Output > InptLower yields/depletion of resources
Input > Outputhigher costs/risk of impacts
Budget = (Inputs – Outputs)
Nutrient budget in Brazilian Agriculture: evolution
Yamada & LopesInformações Agronômicas,
n.84, Dec/1998 Cunha, Casarin, ProchnowInformações Agronômicas,
n.130, Jun/2010
Cunha, Casarin, ProchnowInformações Agronômicas,
n.135, Set/2011
Cunha, Francisco, Casarin, Prochnow
Informações Agronômicas, n.145, Mar/2014
Francisco, Cunha, Prochnow, CasarinBetter 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 N P2O5 K2O(t)
Total crop removal (t) 6,551,280 1,853,162 3,286,358
Deductions (t) 4,706,923 4,428 193,566
Crop removal - net (I) 1,844,357 1,848,734 3,092,792Total nutrient use (II) 2,836,820 3,467,034 3,790,569Nutrient budget (II - I) 992,463 1,618,300 697,777Use index (I/II x 100) 65% 53% 82%Removal/use ratio (II/I) 1.5 1.9 1.2Fonte: Cunha et al. – Informações Agronômicas, mar/2014
Nutrient budget in Brazilian Agriculture (2009-2012): annual average
Soybeans: NBF supplies 100% of N removed
Sugarcane: 20% of land gets 100% of K from vinasse
Crop Use index (%)N P2O5 K2O
Soybeans - 50 99Maize 79 96 65Sugarcane 80 70 67Coffee 20 11 45Cotton 44 16 58Rice 103 74 91Common beans 67 35 115Orange 51 28 67Wheat 58 48 35
Fonte: Cunha et al. – Informações Agronômicas, mar/2014
Nutrient budget in Brazilian Agriculture (2009-2012): by crop
Region N P2O5 K2O Use index (%)
South 66 62 95Southeast 64 44 71Midwest 60 56 82
Northeast 68 40 71North 135 58 107Brasil 65 53 82
Fonte: Cunha et al. – Informações Agronômicas, mar/2014
Nutrient budget in Brazilian Agriculture (2009-2012): by region
Nutrient budget: indexes
1. Removal to use ratio =Input (Nutrient use)
x 100Output (Crop removal)
Year
1990 1995 2000 2005 2010
Rem
oval/use
0.0
0.5
1.0
1.5
2.0Yield, kg/ha
0
1000
2000
3000
4000NP2O5
K2OCrop YieldN trend line
Better Crops, (99) 2015, No. 2
Nutrient budget: indexes
2. Agronomic index =NPK applied (kg)
x 100Agronomic yield (ton)
Cunha, JF, Casarin, V, Prochnow, LIInformações Agronômicas, n.130, jun/2010
Source: Joel Hillesheim (2013)Source: Michel Cambri (2013)
Nutrient budget at farm level: examples
Item Average
Production (bags) 192,859
NPK applied/ha 165
NPK applied/ton 33
NPK removed/ha 133
Budget (NPKa - NPKr) 32
Item Average
Production (bags) 48,949
NPK applied/ha 166
NPK applied/ton 36
NPK removed/ha 120
Budget (NPKa - NPKr) 46
3241 34 37 41 36 36 42
30 310
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,000
0
20
40
60
80
100
120
140
160
180
200
220
240
2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Prod
uctio
n, (6
0 kg
bag
s)
Nut
rient
use
per
land
or p
rodu
ction
Farm Akg NPK applied/hakg NPK applied/tonkg NPK removed/haProduction (bags)
37 37 37 31 30 28 3525
40
0
30,000
60,000
90,000
120,000
150,000
180,000
210,000
240,000
270,000
300,000
0
20
40
60
80
100
120
140
160
180
200
220
240
2005 2006 2007 2008 2009 2010 2011 2012 2013
Prod
uctio
n (6
0 kg
bag
s)
Nut
rient
use
per
land
or p
rodu
ction
Farm Bkg NPK applied/ha
kg NPK applied/ton
kg NPK removed/ha
Production (bags)
Web tool for nutrient budget calculation: http://brasil.ipni.net/article/BRS-3293
3
4
2162
15
125
9
272
48
366
42281
554
445
1721
3
8
310
83
107
189
152
Abroad: 53
Stats: how many users, where they from, how they acess?
Plataform %Linux 0.1
Mac OSX 0.9
iPad 1.2
iPhone 6.6
Android 8.4
Windows PC 82.9
0
500
1000
1500
2000
2500
3000
# of
acc
ess
Users: 2,776
Crop N P2O5 K2Okg/ha
Soybean 20 90 85Maize 125 90 87Sugarcane 62 65 47Coffee 190 62 196Cotton 61 98 91Wheat 105 86 95
Stats: most visited crops, average nutrient application?
05
101520253035404550
0 0 0 1 1 1 1 1 1 1 2 2 3 3 4 4 5
23
48Most visited crops (%) Average of nutrient application
Web tool for nutrient budget calculation
Demonstration