Weeds example sentences

Some other preventive measures against pests are the use of resistant varieties, and summer ploughing, in which fields are ploughed deep in summers to destroy weeds and pests.A seed drill [Figureure 2(b)] is also used to uproot weeds.Therefore, removal of weeds from cultivated fields during the early stages of crop growth is essential for a good harvest.Weeding is necessary since weeds compete with the crop plants for water, nutrients, space and light.Tilling before sowing of crops helps in uprooting and killing of weeds, which may then dry up and get mixed with the soil.Weeds, insects and diseases can be controlled by various methods.), vegetable waste, animal refuse, domestic waste, sewage waste, straw, eradicated weeds etc.As Catlas are surface feeders, Rohus feed in the middle-zone of the pond, Mrigals and Common Carps are bottom feeders, and Grass Carps feed on the weeds, together these species (Figureure 1 6) can use all the food in the pond without competing with each other.It is a simple tool which is used for removing weeds and for loosening the soil.Some weeds interfere even in harvesting and may be poisonous for animals and human beings.The best time for the removal of weeds is before they produce flowers and seeds.If weeds and pests are not controlled at the appropriate time then they can damage the crops so much that most of the crop is lost.Have you ever seen the damages caused to the crops, food items by insects, rodents, weeds and crop diseases etc? How can we protect them? You are acquainted with some insecticides and pesticides for protection of our crops.Plough : This is being used since ancient times for tilling the soil, adding fertilisers to the crop, removing the weeds, scraping of soil, etc.2, 4-D, widely used to kill dicotyledonous weeds, does not affect mature monocotyledonous plants.