Questions

Alluvial Soils

The proportion of nitrogen is generally low, but potash, phosphoric acid and alkalis are adequate, while iron oxide and lime vary within a wide range.

Black Soils

Chemically, the black soils are rich in lime, iron, magnesia and alumina. They also contain potash. But they lack in phosphorus, nitrogen and organic matter.

Laterite Soils

With rain, lime and silica are leached away, and soils rich in iron oxide and aluminium compound are left behind.

The 2019 BRICS summit is the eleventh annual BRICS summit, an international relations conference attended by the heads of state or heads of government of the five-memberstates Brazil, Russia, India, China and South Africa. The summit will be held in Rio de Janeiro, Brazil, the third time Brazil has hosted the summit after the 2014 summit.

The Missile Technology Control Regime (MTCR) is a multilateral export control regime. It is an informal and voluntary partnership among 35 countries to prevent the proliferation of missile and unmanned aerial vehicle technology capable of carrying above 500 kg payload for more than 300 km.The Missile Technology Control Regime (MTCR) was established in April 1987 by the G7 countries.

The People's Republic of China is not a member of the MTCR but has agreed to abide by the original 1987 Guidelines and Annex, but not the subsequent revisions.Israel, Romania and Slovakia have also agreed to voluntarily follow MTCR export rules even though not yet members.