Agriculture Test - 14

Wheat crop is grown in different types of soils ranging from desert soil to heavy clay soil. Well-drained, fertile clayey loamy soils having moderate water holding capacity are ideal for wheat cultivation.

Pisum sativum, the common pea Because It is a nitrogen-fixing plant containing nodules on its roots. In this nodules, the biologically Nitrogen-fixing bacteria named Rhizobium spp. fixes nitrogen and is used by the plant. And also helps soil to be get enriched with it. Among the options mentioned in the question, only the pea increases the natural nitrogen contents in the soil where the pea plant is growing. So the correct option is D.

China is largest producer of wheat. It plays an important role in shaping the grain market in the world. Around 126 million metric tons of wheat are produced by the country per year, on a land area of 24 million hectares. India is the second wheat producer in the world and Russia is the third-largest wheat producer in the world. While the USA is the fourth wheat producer in the world.

Above information clears the correct answer. The country which stands first in wheat production in China. So the correct option is D.

Wheat and rice are the most important crops worldwide as they account for over 50% of the world's cereal production. ... The seven principal cereals grown in the world are wheat, maize, rice, barley, oats, rye and sorghum.

Extensive Farming

• Jute Cultivation requires hot and humid climate. It requires high temperature varying from (24-35) degree Celsius and heavy rainfall of 120-150 cm.

• West Bengal is the largest producer of Jute, due to its climatic condition. It has hot and humid climate with sufficient amount of rainfall and irrigational facilities. It has many jute based industries which has also led to the higher demand of jute in the region. Due to these factors West Bengal has emerged as the leading producer of jute in India.