https://petertopperwien.com/ Articles by Peter Topperwien on soil science, entrepreneurship, taxation and building complex ventures. en-au https://petertopperwien.com/writing-ventures.html https://petertopperwien.com/writing-ventures.html Wed, 17 Sep 2026 08:00:00 +1000 Peter Topperwien on structuring complex ventures — beginning at the exit, separating risk from value, treating tax as a design input, and why simple, defensible structures outlast clever ones. https://petertopperwien.com/writing-startups.html https://petertopperwien.com/writing-startups.html Wed, 03 Sep 2026 08:00:00 +1000 Peter Topperwien on backing early-stage Australian companies — spotting likely winners early, winding up the rest professionally, and why disciplined attrition protects founders and investors alike. https://petertopperwien.com/writing-water.html https://petertopperwien.com/writing-water.html Wed, 20 Aug 2026 08:00:00 +1000 Peter Topperwien on getting more from every drop — building water-holding capacity, fixing non-wetting soils, and cutting irrigation with soil conditioners. https://petertopperwien.com/writing-humates.html https://petertopperwien.com/writing-humates.html Wed, 06 Aug 2026 08:00:00 +1000 Peter Topperwien explains what humates are and how humic and fulvic acids improve water retention, nutrient uptake and soil life.