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1.The main sources for irrigation water are groundwater from wells, surface water, drainage ponds, rain and municipal water. Drilled wells are a clean source of water for many greenhouse operations however, the water yield from drilled wells is usually limited.
2. =Moat. Also called the pulley system, it involves pulling up water from a well or other such source to irrigate the land. ...
=Chain pump. A chain pump consists of two large wheels connected by a chain. ...
=Dhekli. It is a process of drawing water from a well or such similar source. ...
=Rahat
3. Weeds are unwanted plants growing among wanted crops and compete with crop plants for sunlight, nutrients, water etc. Weedicides are the chemicals which are sprayed over field to get rid of weeds. ... They will not show any effect on crop plants.
4. granary
A granary is where grain is stored. One clear way to remember the meaning of granary is that it sounds like what it is. If I were to ask you to invent a word that means "the place where grain is stored" you'd very likely come up with granary — though admittedly, the spelling is a little different.
5. viruses and fungi
6. phenoxymethylpenicillin, flucloxacillin and amoxicillin
7.canning, pasteurization
8. Pectobacterium, Pantoea
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