Presume that the amount of fertiliser to apply is 250 kg of 2:3:2 (30) per hectare. From the previous calculations it is known that with the 900 mm-row spacing, there will be 111 rows in one hectare of 100 meters each. If the supply needs to be 250 kg of fertiliser...
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Fertilisation
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Calculation of fertilisers
There are recommended application rates for each fertiliser and each crop. This rate is stated in kilograms per hectare (Kg/ha). When the rate and the area of your plot of land are known, it can be calculated how much fertiliser to put on. The recommended application...
Application of fertilisers
Fertilisers should be applied just before the plants need them. There are two types of fertilizing, or dressing, which must be applied at the right time. Basal dressing This should be applied when the land is being prepared for planting Top dressing This...
Soil pH
What is pH? Soil pH is a measure of soil acidity or alkalinity that can influence the uptake of nutrients by crops. Soil pH is measured with a pH scale ranging from 1 to 14, where 7 indicates a neutral pH. Acidic soil has a pH below 7 and alkaline soil has a pH above...
Classification of fertilisers based on their biochemical and physiological functions
Essential plant nutrients can be classified according to their biochemical and metabolic functions. Classification of essential plant nutrients Group Nutrient Element Ionic form of...