I Y L N MURTHY; CH V HARIPRIYA; M PADMAIAH. Use of soil test kits in assessing soil fertility of castor growing soils of semi-arid tropics: USE OF SOIL TEST KITS IN ASSESSING FERTILITY OF CASTOR GROWING SOILS OF SEMI-ARID TROPICS. Journal of Oilseeds Research, India, v. 32, n. 1, 2015. DOI: 10.56739/jor.v32i2.141994. Disponível em: https://epubs.icar.org.in/index.php/JOR/article/view/141994. Acesso em: 3 nov. 2025.