Question

what percentage of the nitrogen is needed to cultivate sugarcane crop​

Answer 1

Answer:

Organic N can represent around 95–99 % of the total soil N and is converted to mineral N forms via the decomposition of organic matter in a process known as mineralisation [67]. Only a small proportion of organic N becomes available for plant uptake

Explanation:

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Answer 2

Answer:

Apply 275 kg of nitrogen and 112.5 kg of K2O/ha in three equal splits at 30, 60 and 90 days in coastal and flow irrigated belts (assured water supply areas). In the case of lift irrigation belt, apply 225 kg of nitrogen and 112.5 kg of K2O/ha in three equal splits at 30, 60 and 90 days (water scarcity areas).