ipni staff meeting june 8th, 2015 web tool on nutrient budgets at farm level dr. eros francisco –...
TRANSCRIPT
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