Question 1
Explain in detail the benefits, factors, and methods influencing the management of animal manure as an organic source in agricultural farming.
Question 2
A corn farm is fertilized with NPK fertilizers and the residual values of phosphorous and nitrogen after two years are found to be 26% and 45%, respectively. Which of the following is an appropriate conclusion?
◦ Soil has high P-fixing value.
◦ Soil has low P-fixing value.
◦ The crop uptake of N has exceeded P.
◦ The rate of application of P has been increased for 2 years.