Page 149 - Ilmu Tanah
P. 149
136 The Chemistry and Fertility of Soils under Tropical Weeds
22. How does the RSR of weeds affect the K release in infertile or contaminated soils?
Explain!
23. What are the effects of heavy-metal containing waste on the RSR of weeds? What
happen if lime or organic matter is added into the contaminated soils?
Abdul Kadir Salam and Nanik Sriyani – 2019