Developing optimum subsurface drainage design procedures

Agriculture & Biology

• subsurface drainage 100%
• profitability 62%
• spatial distribution 44%
• drainage 42%
• runoff 24%
• DRAINMOD model 22%
• soil 21%
• soil permeability 17%
• crop prices 16%
• drainage systems 14%
• soil texture 12%
• simulation models 10%
• soil types 10%
• bulk density 10%
• climate 8%
• water 4%
• sampling 3%

Earth & Environmental Sciences

• profitability 72%
• drain 60%
• drainage 47%
• spacing 45%
• soil 22%
• runoff 14%
• spreadsheet 12%
• water retention 11%
• soil texture 11%
• cost 11%
• drainage system 10%
• index 10%
• bulk density 10%
• soil type 9%
• simulation 9%
• price 8%
• crop 7%
• permeability 7%
• sampling 6%
• parameter 3%
• rate 3%