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Grittyville, WA

https://www.canr.msu.edu/news/knowing_nutrient_mobility_is_helpful_in_diagnosing_plant_nutrient_deficienc

Keep in mind that pumpkins have roots along the vine, so one part of the plant could be fed by different roots than another part of the plant.
Interestingly, for tissue testing this might yield a deceptively high result for, say, calcium. There could be a high reading of calcium at the end of a particular vine because it has young healthy roots mining calcium out of the soil, but there could far be less calcium flowing down the main vine to the pumpkin. This could, in theory, cause both poor-ish results but yet a tissue test that would not indicate any problem.
Suppose a grower dead-ended their vine at the pumpkin but sent that end in for analysis, then this would show the most accurate picture of the immobile nutrients that are actually available to the pumpkin.
Kinda common sense (which I think the Patons have mentioned) get a tissue sample near the pumpkin. But its more than just common sense, really it follows science of how the nutrients move and dont move.

3/21/2023 3:57:18 AM

Grittyville, WA

Lol. There were indented paragraphs there.

OK, well I hope I remember to use the return key next time. Funny lol, how many kids or even adults these days would know why its called a "return" key? Ah, I see, its an "enter" key now. Got it. When I was a kid...

3/21/2023 4:06:24 AM

Syracuse, NY

'Enter', but still has a leftward arrow on it also, for the Good ol' Days. I suppose someone including us is having flashbacks to a family Smith-Corona we all had!
Used to bunch up the keys, lol... eg

3/21/2023 5:37:11 AM