Question
Consider the following statements regarding tillage in
India: 1. Tillage is beneficial to reduce runoff of water and reduce soil erosion. 2. Zero Tillage degrades organic matter content due to the high mineralisation of Soil. Which of the statements given above is/are correct?Solution
Tillage is the mechanical manipulation of soil with tools and implements for obtaining conditions ideal for seed germination, seedling establishment and growth of crops. The advantages of Tillage are as follows:  A greater volume of soil may be obtained for the cultivation of crops.  Excess water may percolate downward to recharge the permanent water table.  Reduce runoff and soil erosion  Roots of crop plants can penetrate deeper to extract  Moisture from the water table.
A factory produces two types of gadgets: Type A and Type B. In a day, it produces 300 Type A gadgets and 400 Type B gadgets. If the production cost of T...
5 ? 205 823 7405 29623
...12             10            13                18.5                  25.50       �...
62 123 214 341 ? 727
...95     110     128     ?     181      222
...5, 14, 41, 122, 365, 1094, ?
4Â Â Â Â Â Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â Â Â Â Â Â 24Â Â Â Â Â Â Â Â Â Â Â 91Â Â Â Â Â Â Â Â Â Â Â 462Â Â Â Â Â Â Â Â Â 2763
18Â Â Â ...
35, 36, 40, 49 , 65 , ?
800 400 600 1500 ? 23625
...15 , 33 , 71 , 150 , 307 , 625