Manure and fertilizer application Method :
- Broadcasting : Spread uniformly over the entire field , convenient and cheapest method.
- Top dressing :
- Application of fertilizers to the standing crop , Nitrogenous fertilizers in rice. Fertilizers should be applied after drying of dew .
- If the leaves are wet during top dressing , Scorching or burning of leaves may occur.
- Drilling :
- Placement of fertilizers in sub-soil layer by the help of plough having special attachment for drilling fertilizers.
- The bottom of the attachment is joined to the bottom of the plough and through is fertilizer is drilled.
- Banding : This method is suitable for upland condition where fertilizers are placed 5 cm below the seed and 3-5 cm to the side of row.
- Side dressing :
- This method is also suitable for upland condition where fertilizers are placed along the rows after upland rice have started growing.
- Nitrogenous fertilizers are generally side dressed in upland rice.
- Ball or pellet method :
- This method is useful in low land rice where small balls of convient size are made and deposited into the soft mud field of rice at the depth of 8-10 cm between rows. Super granules or sulfur coated urea are also found.
- For increasing yield with minimum , foliar application method is generally used for loss of N.
- Foliar Application :
- Application of fertilizers solutions containing one or more nutrients on the foliage of growing plants.
- Can be done by using knapsack sprayer.
- Fertigation :
- It refers to the application of water soluble fertilizers through irrigation water.