40% poov tshuaj tag nrho cov kua qaub granular chiv

(1) poov tshuaj humate puag ncig cov prenill yog ua los ntawm cov ntsiab lus qis leonardite, nrog humic acid 40%, K2O 8%. Meanly siv los ua paus chiv kom txhim kho cov pa roj carbon rau hauv av, yog li txhawm rau txhim kho tus naj npawb ntawm cov pejxeem microbial.
(2) tseem hu ua: Humic acid poov tshuaj ntsev, cov phooj ywg zoo nkauj, cov kua qaub tag nrho cov chiv.