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a fertilizing agent added to agricultural soils, in the form of an added chemical, or manure.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

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 ?
At present, he said that four million tons chemical fertilizer being used in crop cultivation with 75000 tons of pesticides to save the crops from fungus, of which, major chunk is being imported from other countries of the world.
Continuous fertilization with chemical fertilizers will not render soils unfit for growing crops, provided the fertilizers are not applied in excess, and the nutrients appropriately balanced and some of the plant residues retained to preserve soil organic matter.
Another study indicated that chemical fertilizers gave higher number of beans per pod, and higher yields per ha of common bean than bio-fertilizers and control treatments [24].
The global biofertilizer market is expected to grow exponentially due to the increasing awareness among people about the adverse effects of the chemical fertilizers.
This is the fourth phase of a project called Medhila 2 for the production of chemical fertilizers in the area, whose realization was started in 2010.
It has 100% equity stake in Baconco, a producer and supplier of premium-grade chemical fertilizers based in Vietnam which commands a 25% share of the Vietnamese premium-grade chemical fertiliser market and has more than 130 major customers in the domestic wholesale market.
TEHRAN (FNA)- A senior official with Iran's National Petrochemical Company (NPC) said the country is expected to produce record-breaking amounts of chemical fertilizers by March 2016.
Results revealed that combined application of MSWC with mineral fertilizer i.e., site specific use of mineral fertilizer with MSWC and integrated use of chemical fertilizers with MSWC in 80:20 ratio enhanced paddy/grain yield and improved the fertility status of the soil.
Such benefits as increase in number of jobs in construction of a plant for chemical fertilizers are nothing compared to huge negative consequences from those chemicals, "Bio-KG" program coordinator Sultan Sarygulov said.
Some of the major harmful effects of agro-chemicals are: (1) Land turns infertile due to adverse side effects of the chemical fertilizers. (2) Plants lose their capacity to resist pest and insects and become susceptible to many sorts of diseases.
Urging government to assist farmers, he said: "The government should sell improved seeds and chemical fertilizers to farmers at low prices." Located northeast of the country, Takhar is one of the country's agricultural provinces, exporting wheat and rice to other provinces every year.
Bhutan may well be on its way to becoming the first country in the world to go wholly organic in its food production as its authorities are committed to rid the country of chemical fertilizers and pesticides.

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