Agricultural Science Past Questions and Answers

In an experiment to determine the percentage of humus content in a soil, the following results were obtained:
mass of dish = 10 gm
mass of dish and oven-dry soil = 50 gm
mass of dish and soil after heating = 40 gm
Calculate the percentage of humus in the soil sample.

The texture and the mineral composition of soil depend mainly on

Which of the following types of fertilizer is recommended for use in high quantities for groundnut production?

Lodging in crops is caused by excess supply of

Adoption of clean clearing of land in the tropical rain forest is not advisable because it