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