Sahroni Ridoi, Yusniwati, Dewi Rezki. The Effect Of Administration Of Cow’s Blood Liquid Fertilizer Dosage On The Growth Of Cocoa (Theobroma Cacao L.) Growth In Ultisol. JRP [Internet]. 2022 Sep. 5 [cited 2024 May 5];3(2):110-7. Available from: http://jrp.faperta.unand.ac.id/index.php/jrp/article/view/53