1.

Absorption of salts by different crops (Units: Kg/Hectares/Season)Crop Yield par hectareNitrogenPhosphorusPotassiumRice2,240342267Wheat15,68562267Millet1,7925615146corn2,016362039Sugarcane67,2009017202Groundnut1,904782245 NutrientUsesNitrogenNew leaves, flowers arise fast.PhosphorousHelps roots to penetrates deep into the soil to absorb nutrients quickly.PotassiumResistance towards pests, increases the quality of smell, colour and taste of fruits.a) In which crop new leaves arise fast? Why? b) In which crop roots do not penetrate deep into soil? c) Which crop show more resistance to pests? Why? d) From the above table, cultivation of which crop yields more to farmer?

Answer»

1. Sugarcane crop. Because it utilise nearly 90% of Nitrogen. Nitrogen is responsible for formation of new leaves. 

2. Millet crops. 

3. Sugarcane 

4. Sugarcane



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