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What Are Fertilisers? | Agriculture | Biology | FuseSchool What are fertilisers? Fertilisers help to plants grow, thus increasing crop yields. They contain helpful nutrients and minerals like nitrogen, potassium and phosphorous which aid...\n
What Are Fertilisers? | Agriculture | Biology | FuseSchool What are fertilisers? Fertilisers help to plants grow, thus increasing crop yields. They contain helpful nutrients and minerals like nitrogen, potassium and phosphorous which aid in plant growth. Excess fertilisers washing off fields causes a problem known as 'eutrophication'. 00:00:02,750 -- 00:00:09,000 put simply, fertilizer is plant food it 00:00:06,360 -- 00:00:11,670 can be natural or deliberately put into 00:00:09,000 -- 00:00:13,289 soil by people. Fertiliser contains 00:00:11,670 -- 00:00:16,470 different kinds of nutrients that are 00:00:13,289 -- 00:00:18,050 essential for plants to grow. Ever since 00:00:16,470 -- 00:00:19,770 people started pounding plants for food 00:00:18,050 -- 00:00:21,930 thousands of years ago 00:00:19,770 -- 00:00:24,570 they've commenced the quality of soil on 00:00:21,930 -- 00:00:26,730 the land when soil contains lots of the 00:00:24,570 -- 00:00:29,850 central nutrients crop plants can grow 00:00:26,730 -- 00:00:31,920 fast and produce large yields but when 00:00:29,850 -- 00:00:34,020 we harvest crops and then take them away 00:00:31,920 -- 00:00:36,600 and eat them we take the nutrients too 00:00:34,020 -- 00:00:38,370 so after years of growing plants the 00:00:36,600 -- 00:00:41,550 soil can't support crops very well 00:00:38,370 -- 00:00:45,089 unless we replace the nutrients using 00:00:41,550 -- 00:00:46,949 fertiliser. Most fertilisers contain 00:00:45,089 -- 00:00:48,600 nitrogen and phosphorus though some 00:00:46,949 -- 00:00:51,149 contain other useful elements like 00:00:48,600 -- 00:00:54,449 potassium. They can be organic or 00:00:51,149 --00:00:56,639 inorganic; organic fertilizer contains 00:00:54,449 -- 00:00:59,609 carbon and an example of an organic 00:00:56,639 -- 00:01:01,710 fertilizer is manure. In organic 00:00:59,609 -- 00:01:03,809 fertilisers can take many forms such as 00:01:01,710 -- 00:01:07,110 ammonium phosphate which can be in a 00:01:03,809 -- 00:01:08,730 crystal or a powdered form since we 00:01:07,110 -- 00:01:10,710 learn how to make vitalizes efficiently 00:01:08,730 -- 00:01:12,510 on a large scale we've been able to grow 00:01:10,710 -- 00:01:15,930 many more crops and therefore the human 00:01:12,510 -- 00:01:17,280 population has risen dramatically there 00:01:15,930 -- 00:01:19,050 can be problems with putting too much 00:01:17,280 -- 00:01:21,000 fertilizer into a natural system and 00:01:19,050 -- 00:01:24,080 some of the problems with fertilisers 00:01:21,000 -- 00:01:27,000 are explained in other videos. So, a 00:01:24,080 -- 00:01:28,590 fertilizer is a plant food that contains 00:01:27,000 -- 00:01:30,480 nutrients such as nitrogen and 00:01:28,590 -- 00:01:33,000 phosphorus and we use it to grow our 00:01:30,480 -- 00:01:35,570 crops bigger and faster so they produced 00:01:33,000 -- 00:01:35,570 more food SUBSCRIBE to the FuseSchool YouTube channel for many more educational videos. Our teachers and animators come together to make fun & easy-to-understand videos in Chemistry, Biology, Physics, Maths & ICT. VISIT us at www.fuseschool.org, where all of our videos are carefully organised into topics and specific orders, and to see what else we have on offer. Comment, like and share with other learners. You can both ask and answer questions, and teachers will get back to you. These videos can be used in a flipped classroom model or as a revision aid. Find all of our Chemistry videos here Find all of our Biology videos here Find all of our Physics videos here Find all of our Maths videos here Instagram Facebook Twitter Access a deeper Learning Experience in the FuseSchool platform and app: www.fuseschool.org Follow us Befriend us This is an Open Educational Resource. If you would like to use the video, please contact us: info@fuseschool.org\n
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