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Regenerative Agriculture and Direct Drilling
Regen Ag Crops & Agronomy
C4 cover crops
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<blockquote data-quote="Farmer Roy" data-source="post: 6578276" data-attributes="member: 71668"><p>we grow a lot of sorghum in this part of the world, both forage & grain varieties</p><p></p><p>yes, grain sorghum can contain cyanide ( prussic acid ) & high nitrate levels, which can be toxic to stock, but generally only if the plant is severely moisture or heat stressed.</p><p>very common here to graze cattle on grain sorghum regrowth after grain harvest.</p><p>My grain sorghum I planted this summer ( November ) was severely heat & moisture stressed this year, to an extent that it produced no grain ( first time ever for me. The heads were "cooked in the boot", which means they were literally steamed to death & rendered infertile by extreme heat, while still in the stem ). Anyway, tested it for nitrates & prussic acid, levels were high. A neighbour was short of feed & ended up running 80 cows & calves on one block for 4 months with no issues </p><p></p><p>if you want sorghum to grow quickly, you need enough moisture & warmth - think northern NSW - southern Qld warmth. We plant in spring, it grows through summer & we harvest in autumn </p><p></p><p>Sorghum after canola ( OSR ) is considered less than ideal here. Sorghum benefits from high VAM levels & we find canola doesn't support / tends to reduce VAM . . .</p></blockquote><p></p>
[QUOTE="Farmer Roy, post: 6578276, member: 71668"] we grow a lot of sorghum in this part of the world, both forage & grain varieties yes, grain sorghum can contain cyanide ( prussic acid ) & high nitrate levels, which can be toxic to stock, but generally only if the plant is severely moisture or heat stressed. very common here to graze cattle on grain sorghum regrowth after grain harvest. My grain sorghum I planted this summer ( November ) was severely heat & moisture stressed this year, to an extent that it produced no grain ( first time ever for me. The heads were "cooked in the boot", which means they were literally steamed to death & rendered infertile by extreme heat, while still in the stem ). Anyway, tested it for nitrates & prussic acid, levels were high. A neighbour was short of feed & ended up running 80 cows & calves on one block for 4 months with no issues if you want sorghum to grow quickly, you need enough moisture & warmth - think northern NSW - southern Qld warmth. We plant in spring, it grows through summer & we harvest in autumn Sorghum after canola ( OSR ) is considered less than ideal here. Sorghum benefits from high VAM levels & we find canola doesn't support / tends to reduce VAM . . . [/QUOTE]
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