00443nam a2200157Ia 4500 220204s9999 xx 000 0 und d NR:631.531980 RRM;1 RRIM Training manual on rubber planting and nursery techniques 1980 Kuala Lumpur RRIM 1980 Crown budding Nitrogen fixation Nursery diseases Rubber pest Weed control BK 35311 35311 0 0 0 0 MAIN MAIN 2021-12-16 0 NR:631.531980 RRM;1 15737 2021-12-16 00:00:00 2022-02-14 BK