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a fertilizing agent added to agricultural soils, in the form of an added chemical, or manure.


material added to soil to improve its fertility by adding to its chemical composition. Usually infers a chemical agent such as superphosphate but blood and bone and kelp humus are included also. Some of them, e.g. calcium cyanamide, ammonium sulfate, urea, can cause poisoning.

Patient discussion about fertilizer

Q. i just have my period last november 25 and ended on 28.when is my possible fertile and ovulation period please help me identify my fertile and ovulation period

A. If someone knew it, it'd solve the human race many problems with fertility. The problem is that ovulation (and thus, the period of possible fertility) happens 14 days BEFORE the onset of menses, so you know about it only retrospectively.

However there ways such as serial body temperature measuring, along with kits that measures the level of hormones in the urine in order to estimate the time of the coming ovulation, and help in timing intercourse.

You may read more about it here (www.mayoclinic.com/health/ovulation-signs/AN01521 ) but anyway, consulting a doctor (e.g. gynecologist) may be wise.

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References in periodicals archive ?
You can't build it up instantly with good compost or manure, but you can use artificial fertilisers which produce a quick response.
Because no artificial fertilisers are used in organic farming, the plants get their nutrients from healthy, unadulterated soil, which contains a high level of minerals in vitamins.
My colleagues have also looked at reducing the usage of sprays and artificial fertilisers.
Farmers who stop using artificial fertilisers will qualify.
The term organic refers to farming practices, and the subsequent food items produced, which prohibit the use of artificial fertilisers and pesticides.
Heritage wheat varieties that were suitable for both food and shelter were abandoned in the war years of the 1940s, when mechanisation and artificial fertilisers where introduced as a desperate measure to feed the nation, imperative at the time.
We produce wholesome food naturally in the most sustainable way possible, with no pesticides or artificial fertilisers.
But everything likes to be made to feel special once in a while so either provide a mulch of good organic material around the base of these plants or sprinkle some artificial fertilisers, watering it in well.
The green image - we all have our own, often very personal views on this issue, choosing to follow the organic route in our gardens and our homes or choosing to use chemicals and artificial fertilisers to help manage the problems that modern gardening presents us with.
There is no use of artificial fertilisers and pesticides made of extracts from gas and oil.
With organic, input costs are minimal, with no pesticides or artificial fertilisers, and demand is increasing.
Certified by The Soil Association, James White Organic Tomato Juice is made from tomatoes grown without artificial fertilisers or pesticides.