Not many pollinators seem to be in our area... insect populations have crashed globally the past few decades... but the tomatoes seem to be self pollinating and the squash variety we have seems to be fruiting before the blooms actually open- something akin to virgin birth.

The phosphoric acid is highly concentrated- I am adding only 4-5 drops per gallon, not enough to influence the phosphorus content. I don't think the soil is inherently alkaline, it is the water we are getting from the city- I tested a few different ways and it seems to have a ph of 8-8.5... mixing up 20 5-gallon buckets of water gets tedious and tiring.

I fertilize every other week...Also I just discovered that starbucks will give me 30lb bags of used coffee grounds pretty much anytime I want...

All the plants are thriving with 2 exceptions - one variety of cucumber is dying the moment we plant it outside, and our most advanced tomato (actually started it indoors by accident last fall and decided to let it grow over the winter in poor light until spring when it was ~7 feet tall and we moved it to a pot outside)- it survived and thrived and starting to fruit- but is developing yellowing leaves which my wife fears is a bacterial infection that can spread to other plants so we may need to euthanize it even though its the first to start bearing fruit... we have 22 other plants some of which will be starting to fruit in a few days, so not a big loss... and we have a few dozen 'backup' tomatoes started from the suckers we have trimmed off of other plants...