Q1 ____ is defined as the mass per unit volume of soil solides
Soil particle density
Q2 _____ describes the manner in which soil particles are aggregated
Q3 _____ are major factors have the greatest influence on the colour of soil except
organic matter content
presence and oxidation states of iron and manageress oxides
—none of the option
Q4 A standard system for accurate colour description has been developed using __
munseu colou r charts
Q5 ____have little effects on the behaviour and use of soils
Q6 Soils display a wide range of colours like
—All of the option
Q7 are basis soil physical properties except
pore si zes
—none of th e option
Q8 Water is crucial to ___.
Q9 the capacity of ____ to store available water determines to a great extent their sefulness for plant growth.
Q10 The least limiting water range concept tells us that soils are too dry for normal
Q11 Soil compaction generally reduces the amount of ____ that plants can take up
Q12 The only way to determine whether a soil is acidic, neutral or alkaline is by carrying out a
Q13 _____have provided a means for monitoring waste products on farm lands in order to ensure maximum crop performance
Q14 _____ is very effective in documenting response to nutrient applications
Q15 The nitrate content of mature _____ is measured at the end of the season
Q16 ____ consists of sampling of the tissues, analysing them for their chemical constituents and interpreting the results.
Tissue Analys is
Q18 One of the basic tools of available for diagnosing soil fertility problems is ___
plant tissue analysis
Q19 The continuous availability of plant _____ is critical for the sustainability of most ecosystems.
Q20 _____ is an invaluable tool in making fertiliser recommendations