What is weeds?
In a field many other undesirable plants may grow naturally along with the crop. These undesirable plants are called weeds.
Modern Methods of
Irrigation
Modern methods of irrigationhelp us to use water economically. The main methods used are as follows:(i) Sprinkler System: This system is more useful on the uneven land where sufficient water is not available. The perpendicular pipes, having rotating nozzles on top, are joined to the main pipeline at regular intervals. When water is allowed to …
Traditional Methods of Irrigation
Traditional Methods of IrrigationThe water available in wells, lakes and canals is lifted up by different methods in different regions, for taking it to the fields. Cattle or human labour is used in these methods. So these methods are cheaper, but less efficient. The various traditional ways are:(i) moat (pulley-system)(ii) chain pump (iii) dhekli, and(iv) …
What is Sources of irrigation ?
Sources of irrigation : The sources of water for irrigation are— wells, tube wells, ponds, lakes, rivers, damsand canals.
What is irrigation?
The supply of water to crops at regular intervals is called irrigation. The time and frequency of irrigation varies from crop to crop, soil to soil and season to season.
What is manure and its advantages ?
A manure is a natural substance obtained by the decomposition of animal waste, human waste, plant residue by the action of micro-organism ( bacteria, fungi and other microbe ), which supplies essential elements and humus to the soil and makes it more fertile. Advantages of Manure : The organic manure is considered better than fertilisers. This …
Differences between Fertiliser and Manure
: Differences between Fertiliser and ManureS. No . Fertiliser Manure Fertiliser is a man-made Manure is a natural substance obtained inorganic salt. by the decomposition of cattle dungand plant residues. Fertiliser is prepared in Manure can be prepared in the fields.factories. Fertiliser does not provide Manure provides a lot of humus to the soil.any humus …
What is rhizobium ?
Rhizobium bacteria.These are present in the nodules of roots of leguminous plants. They fix atmospheric nitrogen.
What is Fertilisers ?
Fertilisers are chemicals which are rich in a particular nutrient. Fertilisers are produced in factories. Some examples of fertilisers are— urea, ammonium sulphate, super phosphate, potash, NPK (Nitrogen, Phosphorus, Potassium). The use of fertilisers has helped farmers to get better yield of crops such as wheat, paddy and maize. But excessive use of fertilisers has …
What is crop rotation?
Solution : Another method of replenishing the soil with nutrients is through crop rotation. This can be done by growing different crops alternately. Earlier, farmers in northern India used to grow legumes as fodder in one season and wheat in the next season. This helped in the replenishment of the soil with nitrogen. Farmers are …