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Results Of Field Experiments In PAILIN - CARE Presented by Mr Touch Van.

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Presentation on theme: "Results Of Field Experiments In PAILIN - CARE Presented by Mr Touch Van."— Presentation transcript:

1 Results Of Field Experiments In PAILIN - CARE Presented by Mr Touch Van

2 The CARE Project Team Mr Em Sophoeun, Mr Sok Sea, Mr Touch Van, and Mr Li Bunthoeun

3 Field Trials In MWS 2008 Maize Fertiliser Trials Legume Rhizobium Trials

4 Rhizobium inoculation of soybean, mungbean and peanut

5 What We Did Four Legume Rhizobium Trials located in 4 villages, one in each cluster: Bortaisour O’ra el Spong Presantas

6 Treatments Urea at 87 kg/ha = 40 kg/ha N. Treatment No. CropRhizobium 1SoybeanNil rhizobium 2SoybeanPlus rhizobium 3SoybeanUrea 87 kg/ha 4MungbeanNil rhizobium 5MungbeanPlus rhizobium 6MungbeanUrea 87 kg/ha 7PeanutNil rhizobium 8PeanutPlus rhizobium 9PeanutUrea 87 kg/ha

7 Results Soybean failed due to poor seed The response to N was variable There was a significant positive response to RH for MB and PN at all sites

8 Effect of rhizobium inoculation on yield of mungbean and peanut 30% increase 15% increase

9 Maize Trials

10 What we did Four Maize Nitrogen Trials located in 4 villages, one in each cluster : Bortaisour O’ra el Spong Presantas

11 Maize treatments Topdressing 1Topdressing 2 00 250 500 750 1000 025 050 075 0100 25 37.5 50

12 Maize yield results The response to N was inconsistent and variable The late topdressing was applied too late Soil nitrate tests should be used to select low fertility sites for trials

13 Lessons learnt: legume Soybean Need certified and good seeds Need pesticide to protect while the flowering & fruiting Mungbean Rain can affect grain quality (Disease problems) Difficult to harvest in a couple of different times Peanut Late to harvest, some peanut seeds can germinate in the ground Difficult to harvest and require high labours (150 persons/day)

14 Lessons learnt: maize Weed management (Timing, technique) Water logging (one site affected by water logging) Urea Application (2 nd time application seem to be late) (Low response to Urea because soil fertility seems to be high)

15 What next – EWS 2009 Baseline soil survey (50 farm fields) Continue rhizobium trials – 4 sites (replicated, otherwise same design as 2008) Maize nitrogen trials – 4 sites (replicated, more rates, early topdressing only) Long-term rotation experiment – 1 site: 1. Continuous maize – exploitive local practice 2. Continuous maize – chemical fertiliser 3. Mungbean (EWS) Maize (MWS) – biological system 1 4. Maize (EWS) Soybean (MWS) – biological system 2

16 Thank you

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