Questions tagged [nutrients]

Plant nutrient requirements

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4
votes
1answer
6k views

How is nutritional value in fruit and vegetables measured? [closed]

We often read in books and Wikipedia that certain fruits or vegetables contain certain amount of vitamins, minerals and other elements. An example can be seen on Beetroot in the box with nutritional ...
9
votes
1answer
114 views

What are methods of increasing the protein content of garden vegetables?

I read a random article about the effects of a certain fertilizer on tomatoes and how it happened to increase the protein content of the tomatoes relative to other fertilizers (1, 2) and it piqued my ...
21
votes
1answer
14k views

What is my citrus deficiency, based on leaf appearance? And how to treat?

In the images of my citrus below, you can see the leaves are paling towards the edges. What is the deficiency and how can I fix it? The soil is clay-dominated with some sand and coloured red, ...
10
votes
3answers
1k views

Is it really necessary to rotate runner beans?

A firm believer in 3-year crop rotation, I sow my runner beans in a different plot every year. After they crop, I dig their stems and roots into the soil, to replenish it with their captured nitrogen; ...
17
votes
5answers
3k views

Are “minerals” and “nutrients” the same thing?

Some good answers on this question: Is it worth spreading ash on the vegetable plot?. But one answer says: I can't think of any minerals that would be present and the other upvoted answer says: ...
17
votes
1answer
2k views

What are the differences between above and below ground irrigation?

Is there a major difference in effectiveness of delivery of water/nutrients through the use of above ground (sprinkler, flooding, etc) versus below ground (buried drip pipes) irrigation systems?
22
votes
1answer
6k views

How can I correct a nutrient excess in soil?

The soil sample I took last fall from my vegetable garden came back from the lab with this result: Optimum Range Calcium, Mehlich 3 (Ca) 2063 (...
17
votes
1answer
431 views

What are the primary nutrients utilized by plants beyond NPK?

When talking about soil and fertilizers, what are the primary nutrients in addition to NPK (Nitrogen, Phosphorus, Potassium) that play a major role in plant development?

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