NAVIGATION FACT SHEETS CALCULATORS BIOLOGICAL GREEN MANURE CALCULATOR WHEAT YIELD POTENTIAL ORGANIC MATTER BIOMASS BIOCHAR CHEMICAL LIME COMPARISON BENEFIT PHYSICAL TRAFFIC GRAVEL BULK DENSITY DEEP CULTIVATION SOILS ABOUT US LINKS CONTACT SOIL ACIDITY POINTS MEASURE CONCENTRATION HYDROGEN IONS THE SOIL GREATER SHOULD ABOVE TOPSOIL VALUE MAXIMIZE CROP PASTURE CHOICE PRODUCTION BACKGROUND MAJOR ECONOMIC AUSTRALIAN AGRICULTURAL SURFACE VALUES LESS THAN OR EQUAL TO BELOW OPTIMAL LEVEL PREVENT SUBSOIL PROBLEM ALREADY AREAS WESTERN AUSTRALIA NEW SOUTH ACIDIC CAUSE THE CHOICE CROPS RESTRICTED ACID SPECIES MARKET OPPORTUNITIES PASTURES REDUCED LEGUME FAIL WIDER CONCERN MUST PLANT GROWTH INCREASE WATER USAGE INCREASING RISK DETRIMENTAL STREAMS WATER NUTRIENT LEACHING GROUND WATER MEASURED LOGARITHMIC SCALE OF 4 TIMES OF 5 100 TIMES AVAILABILITY MICROBIAL RANGE PARTICULARLY ROOT ACCESS ALUMINIUM TOXICITY DROP IN SOLUBLE ROOT RESTRICTING ACCESS TO NUTRIENTS REDUCTION SMALLER GRAIN SIZE INADEQUATE SEASONS FINISH PLANTS ACCESS GRAIN FIGURE GRAPH RULE OF THUMB ROOTS BARLEY THE MAJOR PLANT MANGANESE THE TRACE ELEMENT UNAVAILABLE AVAILABLE SHOW DEFICIENCY SYMPTOMS ADEQUATE FERTILISER ACTIVITY AFFECT DECREASING NITROGEN DEFICIENCY REDDENING STEMS LEGUMES YELLOWING DEATH LEAVES RHIZOBIA BACTERIA PERSIST POPULATIONS NODULATE CAUSES SOIL ACIDIFICATION NATURAL PROCESS INEFFICIENT EXPORT ALKALINITY AMMONIUM FERTILISERS CONTRIBUTORS TO NITROGEN CONVERTED NITRATE LEACH AWAY THE ROOT ZONE LEAVING BEHIND PLANT MATERIAL ALKALINE GRAZING HARVEST RESIDUAL OVER TIME LUCERNE ANIMAL DUNG STOCK CAMPS ADDS TOTAL ALKALINITY EXPORTED ANIMAL PRODUCTION MANAGEMENT SOIL TESTING PROFILES RATES THE FARM ASSIST EFFECTIVE SOIL SAMPLES TAKEN MINIMAL BIOLOGICAL ACTIVITY STANDARD PARTS CACL2 TOTAL SALTS SEASONAL VARIATION WATER CAN READ UNITS HIGHER CALCIUM CHLORIDE SAMPLING PADDOCK VARIABILITY CLAYS CAPACITY RESIST CHANGE THE SURFACE DETERMINE DETECT NEED TO CHANGES ADJUSTMENT INTERPRETING RESULTS AGRICULTURAL LIME RECOVER MAINTENANCE LIMING COUNTER CAUSED PRODUCTIVE RECOVERY FARMING ENSURE SUFFICIENT MOVE DOWN NECESSARY WHETHER THE 10 LAYER CASE THE BAND THE MORE SUITABLE ECONOMICAL METHOD AMOUNT DEPEND SOIL TYPE SYSTEM COASTAL DUNES CRUSHED LIMESTONE DOLOMITIC LIMESTONE SOURCES CALCIUM CARBONATE MAGNESIUM CARBONATE COMPONENT THE KEY FACTORS QUALITY PARTICLE SIZE PERCENTAGE PURE OF 10 LESS AREA PROPORTION PARTICLES REACT BENEFICIAL COMPLEMENTARY STRATEGIES REDUCE IMPACT THIS IS NOT PERMANENT SOLUTION CONTINUE NUMBER RATE NITROGEN FERTILISER INPUT HIGH RAINFALL PRODUCT FEEDING ONTO PADDOCKS WHERE IT OPTIONS ROTATIONS REPLACE READING REFERENCES GAZEY MILLER GARTNER ROCHE DEPARTMENT OF AGRICULTURE BULLETIN MOORE PORTER LEONARD HANDBOOK FOR UNDERSTANDING AGRICULTURAL AGRICULTURE ASSESSMENT VOLUME LAND AND WATER RESOURCES PAULINE HEALTHY SUSTAINABLE FARMS INITIATIVE THE AUSTRALIAN NATURAL HERITAGE TRUST PARTNERSHIP REGIONS AVON CATCHMENT COUNCIL SOUTH COAST NATIONAL ACTION PLAN FOR SALINITY NATIONAL LANDCARE PROGRAMME INVESTMENTS AUSTRALIAN GOVERNMENTS THE CHIEF EXECUTIVE OFFICER THE DEPARTMENT OF THE STATE THE UNIVERSITY OF WESTERN AUSTRALIA ACCEPT NO LIABILITY REASON NEGLIGENCE RELEASE INFORMATION VIEW FACT SHEET RELATED 10 CM CM PH SOIL QUALITY PTY LTD PRIVACY POLICY DISCLAIMER