benchmarking webinar benchmarking webinar Roger Sylvester-Bradley, - - PowerPoint PPT Presentation

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benchmarking webinar benchmarking webinar Roger Sylvester-Bradley, - - PowerPoint PPT Presentation

Jan 13, 2024 179 likes •478 views

Grain nutrient Grain nutrient ana analys lysis is and and benchmarking webinar benchmarking webinar Roger Sylvester-Bradley, Sajjad Awan and Teresa Meadows Housekeeping Nutrient Management @rogersylbrad Guide @CerealsEA @AHDB_Cereals

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Grain nutrient Grain nutrient ana analys lysis is and and benchmarking webinar benchmarking webinar

Roger Sylvester-Bradley, Sajjad Awan and Teresa Meadows

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Housekeeping

Nutrient Management Guide ahdb.org.uk/rb209

@rogersylbrad @CerealsEA @AHDB_Cereals

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BASIS/NRoSO Points

Name; NRoSO Member No; Date of Birth; Postcode Name; BASIS Account No; Postcode 1 Point 1 Point

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Format

Your host… Teresa Meadows Knowledge Exchange Manager (East Anglia)

19:00 Welcome and introductions Teresa Meadows, AHDB 19:10 Theory, principles and evidence behind grain nutrient analysis Roger Sylvester-Bradley, ADAS 19:25 Using grain nutrient analysis on-farm Roger Sylvester-Bradley, AHDB and Sajjad Awan, AHDB 19:35 Questions and discussion 19:50 Nutrient management planning and RB209 reminder for harvest 2021 Sajjad Awan, AHDB 19:55 Closing comments Teresa Meadows, AHDB 20:00 Close

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How to carry out, analyse and use the results of grain analysis on-farm.

Q: What would you like to know by the end of this session? Session objective

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Gr Grain in Nu Nutrie rient nt Ana Analysis lysis

Rog

  • ger

er Sylvester ester-Bradley Bradley

Boxwort rth, h, Cambridge mbridge

AHDB webinar, August 2020

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MONITORIN NITORING G CROP ROP NUTRITION TRITION – OVERVIEW: VERVIEW:

  • SOIL analysis .. tells about availability
  • LEAF analysis .. indicates immediate crop status
  • GRAIN analysis .. NEW .. tells about ultimate nutrient capture
  • Significant value in sharing results … BENCHMARKING
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Analysi lysing ng gra rain for

  • r nutrient

rients s

  • Easy & accurate

representative sampling

  • f whole fields

Threes ees use ses: s:

1.

Measures P, K, etc. offtakes

2.

Cross-checks soil analyses

3.

Gauges possible nutrient deficiencies.

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VARIATION is usual VARIATION is usually LARG ly LARGE: E: e.g. grain P

from the Cereal YEN+ 0.10 0.21 0.31 0.41 0.51

25 50 75 100 125 150 2 4 6 8 10 10

Grain P, % dry matte ter

Wheat at P2O5 offtak ake, e, kg/t grain n @15% moisture Occurrence in YEN+ dataset:

  • no. crops

Old RB209 7.8 kg/tonne

+AHDB, Yara & ADAS data plus

New RB209 6.5 kg/tonne

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Gra rain in concen entrati trations

  • ns are

re DIAGNO GNOSTI STIC C .. ... . e.g .g. . phospho sphorus rus

0. 0.0 0. 0.1 0. 0.2 0.3 0.3 0. 0.4 0. 0.5 0. 0.6 2 4 6 8 10 10 12 12 10 20 30 40 Grain in P, %DM

Grai ain yield, eld, t/ha ha

Soil l P, mg/l

Critical soil P Critical tical grain ain P

Typical yield response to soil P

1 2 3 SOIL P INDEX EX :

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  • 1
  • 1

1 2 3 0. 0.1 0. 0.2 0. 0.3 0.4 .4 0. 0.5

Yield ld response ponse to extra tra soil l P, t/ha Grai ain P without thout extra tra soil l P, % DM

Evid iden ence ce for r INTER ERPRE PRETING TING GRAIN N ANALYSI YSIS S ... example of phosphorus

‘Critical’ grain P

Old UK & Foreign ign data: a: New AHDB DB data ta:

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Gra rain in analysi lysis s re reports rts ALL 12 NUTRIENT IENTS

Cri riti tica cal value

in grain n DM

Nitroge trogen, n, N 1.9 % Phos

  • sph

phor

  • rus,

, P 0.32 32 % Potassi tassium, m, K 0.38 % Sul ulphur phur, S 0.12 12 % Magn gnesium, esium, Mg 0.08 % Calcium, Ca Iron, Fe Mang ngan anese, e, Mn Mn 20 20 ppm

ppm

Zinc, nc, Zn 15 ppm Coppe per, r, Cu 2 ppm Boron, B Molybdenum, Mo

N K P

Mg Mg

S

Ca Ca

Mn Mn

Cu Cu Zn Zn Fe Fe B

Mo Mo

LESS CERTAIN values ... BUT we only know about four .. at present! Unknowns Unknowns Depends

  • n variety
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0% 25% 50% N P K S Mg Mn Zn Cu

On UK arable farms, NUTRIE IENT NT DEFICI ICIENC ENCIES IES appear to be COMMON MON

Deficiencies in grain samples from 633 YEN+ crops after harvests from 2016 to 2018: None ne , , 27% 27%

1, 27% 2, 21% 3, 13% 4, 8%

5 or more, 4%

The number of nutrients that were deficient The % of crops with this number

  • f deficiencies

Occurrence of deficiencies

YEN+: Data from the YEN (by NRM), plus the Grain Nutrient Benchmarking pilot were supported by ADAS, AHDB & Yara (Lancrop)

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PLA LANNIN NNING G Gra rain n Nutrient trient Analysi lysis s … with Benchmarking

Extra information needed for Bench chmarkin marking

  • Location
  • Crop type & variety
  • Grain yield & moisture
  • Soil texture
  • Soil pH, P, K & Mg
  • Recent fertiliser use
  • Recent organic manure use.
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Reporting Grain Analysis …

with Benchmarking diagrams

0 50 100 Max.value Min.value Mid-value Critical value Middle 50%

  • f ALL values

Your value

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MONITORIN NITORING G CROP ROP NUTRITION TRITION – OVERVIEW: VERVIEW:

  • SOIL analysis tells about availability

−But is not fully reliable −Needs cross-checking

  • LEAF analysis indicates immediate crop status

−Can support corrective sprays etc. −Problematic to interpret … weather effects … ‘norms’ change as crops age −Uncertain thresholds / critical values

  • GRAIN analysis tells about ultimate nutrient capture

−Most accurate, precise & easy −Embraces soil supply, rooting, foliar sprays and any soil moisture issues −NEW .. so Significant value in sharing results … either informally,

.. or with organised BENCHMARKING

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Using grain nutrient analysis on-farm

Roger Sylvester-Bradley and Sajjad Awan

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Any questions?

Please use the chat function

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Nutrient Management for 2020/21

  • Dr. Sajjad Awan

Resource Management Scientist, AHDB

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Maximise the benefits of nutrient management plan by cutting losses

  • Right Source: AN, Urea, DAP, TSP
  • Right Rate: Match the crop requirement;
  • Accuracy of yield prediction is crucial
  • Right Time: Autumn vs Spring applications
  • Right Place: broadcast vs incorporated/injected

For accurate and precise nutrient management, attention to detail is essential The ‘4R’ rule for nutrient management:

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Future development of RB209

Currently 3 main projects are in progress;

  • 1. Updating N & S fertiliser recommendations for spring malting barley: April 2021
  • 2. NOatS: Nitrogen and Sulphur management of spring oats: May 2022
  • 3. Nitrogen and sulphur fertiliser management to achieve grain protein quality

targets of high yielding modern winter milling wheat: March 2022

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Sajjad.Awan@ahdb.org.uk 024 7647 8787 07815 505800

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Further information

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RB209 Updates

Section 1 Section 4

p.21 p.26

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Resources

  • Nutrient Management Guide – 7 sections
  • Nutrient Management App
  • Fertiliser Prices
  • AHDB GREATSOILS website
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Wider resources

  • Cereals and Oilseeds Webinar Archive
  • Website: ahdb.org.uk/cereals-oilseeds
  • New events: ahdb.org.uk/events
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AHDB Agronomy Week 2020

Monday 30 November – Friday 4 December

  • Daily webinars focusing on varieties,

soils, pests, water and diseases

  • Exclusive sessions for new intake

agronomists and advisors

  • Opportunity to network with

delegates, speakers, AHDB research managers and exhibitors with our easy-to-use virtual event platform

  • Free to attend
  • BASIS points will be applied for

More information available soon ahdb.org.uk/events

  • r email emily.pope@ahdb.org.uk
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Thank you for listening

ahdb.org.uk/rb209

@rogersylbrad @CerealsEA @AHDB_Cereals Next webinar: Managing BYDV – 2 September, 7pm Teresa Meadows teresa.meadows@ahdb.org.uk 07387 015465