Sigrun Ammann

39 posts

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Sigrun Ammann

Sigrun Ammann

@SigrunAmmann

Pasture scientist, cultivated grasslands. Western Cape Dept of Agriculture

George, South Africa Katılım Haziran 2020
76 Takip Edilen37 Takipçiler
Sigrun Ammann
Sigrun Ammann@SigrunAmmann·
@GrasslandSocSA @BerjakDonna @kzndard Are there Italian ryegrass cultivars that persist into the second autumn in the KZN Midlands climate, and could they have a comparative yield to Westerwolds planted annually?
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Sigrun Ammann retweetledi
Craig Morris
Craig Morris@grasscraig·
Heidi Hawkins clearly debunks the notion that fire destroys soil carbon. Moderate burning (biennial) will keep stable forms of carbon in the ground in mesic montane grassland. #GSSACongress58
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Sigrun Ammann
Sigrun Ammann@SigrunAmmann·
@GrasslandSocSA @BerjakDonna @kzndard Data shows the importance of using mixed pastures to alleviate fodder flow challenges and to have more persistent pastures reducing need for annual re-establishment
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Sigrun Ammann
Sigrun Ammann@SigrunAmmann·
@GrasslandSocSA @grasscraig Could this mean that in the long term there could also be effects on the nutrient balance in mixed and sweetveld or would growth/nutrient extraction still be too limited by rainfall?
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GrasslandSocSA
GrasslandSocSA@GrasslandSocSA·
Increased CO2 stimulates grass growth but reduces leaf nitrogen & forage quality because of limited soil N. Sourveld, with poor soils, may see biggest decline with Sweetveld & mixedveld less affected. #CO2 #ForageQuality #SoilN @grasscraig
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Andrew McGuire
Andrew McGuire@agronomistag·
Think you have a soil biology problem? Think again...it's more likely you have a soil habitat problem. And don't fall for alternative methods...a few proven practices will often do. Don't overthink your soil biology. My latest... csanr.wsu.edu/dont-overthink…
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