A satellite experiment involving combinations of N and K with and without FYM and zinc on yield production of rice and another experiment on interaction of plant population and fertilizer levels on yield of groundnut have also been conducted.

• 此外在水稻上还进行了氮和钾施或不施厩肥和锌组合因素的辅助试验，另一试验是关于群体密度和施肥水平处理对花生产量的影响。