Influence of weather in miringa flowering - PKM 1

June planted pkm 1 Moringa produced just few flowers in October 2016 …but a significant dip in night  temperature and prevailing dry weather during day time triggered enormous flowers few days after in November first week
The same age Moringa did not produce much flowers in black / cley soil in the same environmental condition …the reason being too much wetness around root zone

Ramu sir,
so what can we do, to get proper flowering in CLAY soils?