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Phosphorus in the soil is low and added P becomes_______with time

In the early stages of plant nitrogen deficiency, the most obvious symptoms are ________.

What is the bulk density of a soil with a wet weight of 55 g, a dry weight of 45 g and occupies 25 cm3

Determine the Relative Nutralizing Value of a liming material if 70% passes through a 50-m sieve (100% effective) and 96% passes through a 10-m sieve (50% effective). The material has a CaCO3 equivalent of 98%

Applied to agricultural crops, the term lodging refers to ________.

An alkaline soil contains 30% clay and 0.5% humus. If the pure clay has a CEC of 40 cmolc/kg and the humus 200 cmolc/kg, calculate the CEC/kg of the soil.

A cover crop is usually grown for the purpose of ________.

In order for nitrate to form from soil organic matter, ________ must be present in the soil.

Given the information in the table, calculate the Base Saturation of this soil 1 Kg of soil contains 5 cmolec as Ca2+ 2 cmolec as Mg2+ 3 cmolec as K+ 1 cmolec as Na+ 1 cmolec as Al3+ 1 cmolec as H+

The natural microbial oxidation of nitrogen released by organic matter mineralization is a major source of soil acidity.