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B

Test and validate new adaptation options

Practical Guidance

I. Field site selection, farmer selection and training

Objectives

  • To develop test plots on individual farms and in FFS situations in collaboration with farmers for testing new adaptation options that have been previously identified as potentially suitable and adoptable by farmers.
  • To hold trial experiments with and without adaptation options (on controlled plots and test plots).

Expected outputs

  • A number of sites (farms) available to study adaptation options with participation of farmers.
  • Farmer households trained on new adaption options.
  • Agreement by farmers or farmer groups (FFS) to try out possible adaptation options on plots.
  • Written and executed work plans for test plots.
  • Evaluation and systematization of results (quantitative and qualitative).

  • Validation of new adaptation options on a local context must be a collaborative effort. Working directly with farmers to test tools is the quickest way to identify if there are suitable adaptation practices for local conditions, as well as to reveal problems (e.g. tools could be costly, cumbersome, time-consuming or simply ineffective).
  • Advantages of farm trials: You can quickly get feedback from farmers about the trials, their acceptability and usefulness. You can test tools over a much wider range of conditions than with only one or two field stations.
  • Disadvantages: You have less control over what happens, as farmers might give up too soon, or not conduct the trial in the way that was agreed upon.
  • If facilities are available, properly controlled farm trials are also important, especially for testing new ideas or variants of tools that might be expensive or too risky to try directly with farmers.

Procedure

  • Identify field sites. Wherever possible, select zones that cover a range of altitudes, slope orientations and soil types, especially in areas where problems have already been identified through the triangulation methodology (Step 2).
  • Characterize each site according to a range of criteria. See specimen table below and add or adapt as required.
  • Form a field team of technicians and/or extensionists and train them in participatory field techniques.
  • Seek collaboration by contacting farmers and farmer organizations in your area.
  • Deliver initial awareness-raising sessions with farmer households who have agreed to take part (e.g. sensitization workshops or a Climate Witness Workshop).
  • Where resources and time permit, consider giving a broader range of training that would build adaptive capacity.

II. Design and work plan for test plot trials

Objectives

  • To develop the design of the test plot that is agreed upon by farmers and technicians for the testing of a possible adaptation option.
  • To clearly define activities, when they will take place and who will be responsible for each task.
  • Ensure that the time and venue allow women to participate in the activities.

Procedure

  • Hold an initial meeting with farmers to define objectives, select possible tools, select field sites, assign responsibilities and draw up a calendar of activities.
  • Visit field sites to make final selections. Ensure that the determined work and selected sites are representative of problems affecting many farmers.
  • Elaborate the design and write a work plan for the test plot (Table 32 and 33).
  • Define clear outputs – what is expected from the adaptation option (e.g. better yields, improved drought resistance, effective pest management)?
Table 33: Description of trial and measurement strategy for validation of new adaptation options in local context

Hazard

Drought

Vulnerability

Coffee plants with poor root system

Potential risk/ impact

High mortality of coffee plants when transplanting to field

Objective

Validate the use of Mycorrhizae and Trichoderma to improve root system development and reduce transplant mortality at a defined site

Types of treatment

Treatment A

Application of Mycorrhizae in germinating (equivalent to 5 gr./plant)

Treatment B

Application of Trichoderma (28 gr./m2)

Treatment C

Without application

Study design

(number of plants, repetitions, etc.)

  • Seedlings in sand: 20 x 20 cm
  • Mycorrhizae: 5 gr./plant
  • Nursery with 200 plants
  • Bags for nursery: 1 pound
  • Substrate: coffee pulpe-earth (1: 1)
  • Seedlings in sand: 20 x 20 cm
  • Trichoderma: 28 gr./m2
  • Nursery with 200 plants
  • Bags for nursery: 1 pound
  • Substrate: coffee pulpe-earth (1: 1)
  • Seedlings in sand: 20 x 20 cm
  • No Treatment
  • Nursery with 200 plant
  • Bags for nursery: 1 pound
  • Substrate: coffee pulpe-earth (1: 1)

Activities

Month 1:

  • Preparing materials for seed
  • Disinfecting seed substrate
  • Inoculating the substrate with Mycorrhizae and Trichoderma; treatment C without inoculation
  • Coffee planting in the nursery

Month 2 and 3:

  • Watering seedlings
  • Preparing substrate and filling nursery bags
  • Transplanting seedlings to nursery

Month 4-7:

  • Irrigation and weed control in nursery
  • Application of fertilizer
Table 34: Monitoring of test plot; Indicators and measurement

Adaptation option

Mycorrhizae and Trichoderma

Objective

Validate the use of Mycorrhizae and Trichoderma to improve root system development and reduce transplant mortality at a defined site

On-farm effectiveness indicator

Root development

Cost

Description of measurement

Length of tap root

Root biomass

Abundance of absorbing roots

Records

Measurement tool

Length (cm)

Weight (grams)

Observation;

Photography

Inputs and labor costs

Frequency of measurements

Seedlings (every two months)

Coffee nursery (every four months)

Finalizing nursery

Monthly

Monthly

Responsible person

Extensionist and farmers

III. Establishment and monitoring of field trials (test plots)

Before starting field trials, check if the selected tools are in accordance with the needs of farmers established in Step 2.

Ensure that there are equal opportunities for women and men to engage in project activities,

Objective

To establish a test plot and carry out the tasks elaborated in the work plan of the test plot.

Materials needed

  • Measuring equipment as required by tool selected, e.g. thermometer, soil moisture meter or rain gauge.
  • Field sites with frequent access.

Required time

A few months to several years – depending on the type of adaptation option.

Tips

  • The agreed schedule of activities should be adhered to as closely as possible. However, if things are not going as planned, it may be necessary to rethink the schedule. Ask yourself why you are delayed and if there are some issues you did not think of during planning sessions.
  • Continual dialogue and analysis of cost benefits with farmers is vital.
  • The start of activities is a very important moment and technicians should always show up at agreed times.
  • A brief report of each visit is important. Be sure to note down any unexpected events (see Table 34).
  • Technicians should be encouraged to take frequent photographs to visually record progress.
  • It is helpful to start a list of issues to record any problems, ideas or unusual events for subsequent review.
  • Frequently compare progress to your workplan and note any reasons for failures or delays.
  • Keep the gender aspect in mind. For example, in Table 35, the column for farmers’ comments would have separate points recorded for men an woman.
  • Where possible, field measurements and results should be tabulated and graphed at regular intervals to check if work is going to plan. Figures should be reviewed to see if they are within expected ranges (see table 35).
  • Discuss results regularly with farmers.
  • Finally, elaborate a case study of the trial (see Section 2, Step 5 “Using your findings - Make recommendations for future plans”).

Guiding questions for validating a specific adaptation option:

  • Is there sufficient evidence from the trials to be able to recommend larger-scale activities (i.e. to scale up)?
  • Are there new ideas resulting from the trials that could be developed into new trials?
  • Are there results from tool evaluations that provide convincing evidence that a particular tool will not work (e.g. too costly or ineffective) or cause conflict in farmer households?
  • Were the indicators for evaluating adaptation options useful? Do they measure results for both men and women?
  • Were the initial objectives and criteria useful and valid? If not, what could replace them?
  • Could you identify the main risks associated with implementing each option (e.g. too costly or time-consuming)?
  • Is there any risk that the tool could make things worse (e.g. mulch is a fire risk in a long dry season)?
  • How will you come to a fully-fledged adaptation
    strategy?
  • How can you combine tools to make the system
    more resilient?
Figure 41: Farmers measure root lenghts of coffee plants with and without tratment of Trichoderma and Mycorrhizae, c&c pilot Trifinio
a group of people are standing around a pile of plants .
Table 36: Observation and monitoring sheet for adaptation options on test plots

Adaptation option

On-farm effectiveness indicator

Measurements

Results/ analyses

Decisionmaking

Mycorrhizae

Tap root length

19.25 cm

Coffee with Mycorrhizae has a longer tap root

Inoculation with Mycorrhizae in the seedling stage showed better results in root length, biomass and number of absorbing roots that treatment with Trichoderma and the witness

Once the inoculated and non-inoculated coffee seeds are sown in the field, it is important to track the percentage of mortality

Trichoderma

16.5 cm

Control

12.5 cm

Mycorrhizae

Root biomass

60 grams

Coffee with Mycorrhizae has increased root biomass

Trichoderma

54 grams

Control

33 grams

Mycorrhizae

Abundance of absorbing roots

Very abundant

Coffee with Mycorrhizae has more absorbing root

Trichoderma

Abundant

Control

Little abundance