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farmers fertilise soil because it means they can grow good crops every year. The soil only has so many nutrients, essential to plants, and they can be used up easily. Without nutrients, the plants will die so farmers add extra nutrients to keep their plants alive with enough nutrients
about 5 tons a year
about 20 million sulphur miners die a year
The cost of spraying pesticides on crops is high. Between the effects on health, pollution, animal and crop losses, and the costs of the pesticides themselves the costs of pesticides in the United States alone each year is over $10 billion.
more then 500000 crops in a year
depends where they are grown and for what market, the time of year, the veriety ect. also dont you care what KIND of pesticides you find rather then how many?
No, a vegetable garden that has been sprayed with Weed & Feed cannot be repaired if the crops are annuals even though yes, it can be repaired if the crops are perennials. An 18 to 24-inch (45.72 to 60.96-centimeter) barrier must be respected between areas that are sprayed with the herbicide in question and the root zone of annual and perennial edibles and ornamentals. Annuals must be dug up and destroyed while perennials will require a year wait before harvest.
1 set of crops
American agriculture uses nearly 10lb (4.5 kg) of pesticides per person on the food supply each year
Believe it or not, about 6 million, eight hundred crops are grown in Montana every year.
they were able to grow two or three crops per year because of the fertile land the nile has provided
Ancient Egypt spans more then three thousand years; which year?
There are many different farming techniques. Most farmers rotate their crops from year to year so the nutrients in the soil do not get depleted. Some farmers also plant two or more crops together.
Pesticides are of various chemical nature which on being applied to plants nuture them by warding of pests. Pesticides, when applied to plants, on excess irrigation, they percolate down the soil thus polluting the depleting reservoire of groundwater. Pesticides are composed of various chemicals like cadmium, mercury which enter the human body via the food chain which has its dependence on groundwater. Chemicals like cadmium cause death on consumption. Pesticides not only harm the insects and pests but also the local fauna like snakes and earthworms which are natural pesticides and decomposers. Snakes kill the rats living in the farm.