Page 10 - Ilmu Tanah
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The Chemistry and Fertility of Soils under Tropical Weeds ix
ix
3.4 Methods of Weed Control, 45
Key Questions, 52
Chapter 4
Effects of Forest Conversion, 54
4.1 Effects on Weeds and Other Vegetation, 56
4.2 Effects on Soil Enzymatic Activities, 57
4.3 Effects on Soil Chemistry and Fertility, 67
Key Questions, 71
Chapter 5
Effects of Tropical Weeds on Soil pH and
Enzymatic Activities, 73
5.1 Effects on Soil pH, 75
5.2 Effects of Alang-Alang, 79
5.3 Effects on Soil Enzymatic Activities, 80
Key Questions, 84
Chapter 6
Effects of Tropical Weeds on Soil Carbon,
Phosphorus, Nitrogen, and Sulfur, 86
6.1 Nutrient Cycles, 87
6.2 Effects of Land-Use Conversion, 97
6.3 Effects of Weed Management, 98
Abdul Kadir Salam and Nanik Sriyani – 2019
