登入選單
返回Google圖書搜尋
出版Soil Science Society of America, 1996
主題Technology & Engineering / Agriculture / GeneralTechnology & Engineering / Agriculture / Agronomy / Soil Science
ISBN08911882669780891188261
URLhttp://books.google.com.hk/books?id=TtnwAAAAMAAJ&hl=&source=gbs_api
註釋Importance of soil quality to health; and sustainable land management; linkages between soil quality and plant animal and human health; quantitative indicators of soil quality a minimum data set; farmer assessment of soil quality a soil health scorecard; a conceptual framework for assessment and management of soil quality and health; on farm assessment of soil quality and health; standardized methods sampling and pretreatment; physical tests for monitoring soil qualit; soil water parameters and soil quality; soil organic carbon and nitrogen; measurement and use of ph and electrical conductivity for soil quality analysis; assessing soil nitrogen phosphorus and potassium for crop nutrition and environmental risk; role of microbial biomass carbon and nitrogen in soil quality; potentially mineralizable nitrogen as an indicator of biologically active soil nitrogen; field and laboratory tests of soil respiration; soil enzyme activities and biodiversity measurements as integrative microbiological indicators; soil invertebrates as indicators of soil quality; tests for risk assessment of root infection by plant pathogens; assessing organic chemical contaminants in soil; soil quality assessment preliminary case studies; soil quality in Central Michigan rotations with high and low diversity of crops and manure; impact of farming pratices on soil quality in North Dakota; use of soil quality indicators to evaluate conservation reserve program sites in Iowa; quantifying soil condition and productivity in Nebraska; soil quality assessment training for environmental educators; a comparative study of soil quality in two vineyards differing in soil management practices; soil quality information sheets; measuring sustainability of agricultural systems at the farm level.