Gopalakrishna Pillai, K; George, C M
(Kerala Agricultural University, 1978)
Field experiments and quality studies on tapioca variety 4/Malayan-4"
study the effect of three graded levels each of nitrogen (50, 100 and 150 kg N
per hectare), phosphorus (0, 50 and 100 kg P,0» per hectare), potash ...