Biological Agriculture & Horticulture: An International Journal, Volume 10A B Academic Publishers, 1993 - Agriculture |
Contents
Volume 10 No 1 1993 | 1 |
A Sivapalan Wendy C Morgan and P R Franz | 9 |
Barbro Ulén | 29 |
Copyright | |
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A B Academic Publishers Academic Publishers Printed acids agroforestry aliphatic animal aphids balance Bertoldi Biological Agriculture biomass Boschheidehof broccoli C/N ratio CALIFORNIA/SANTA CRUZ clean cultivation compost biomaturity compost maturity compounds cover crop decomposition dry matter dry weight ecosystem effect Elsevier Applied Science extracts of composts farmyard manure fertiliser fertilizers FIGURE fodder germination grass/clover groundnut guinea corn Horticulture host density humic substances humus immature composts increased initial intercropping Journal kg N/ha kolkhoz land layer leaching legumes livestock living mulches losses maize materials method microbial mineralization mixed crops nitrate nitrogen nodulation nutrient cycle optical density organic agriculture organic farming organic matter oxygen parasitoid passively aerated pesticides phenolic phosphorus phytotoxicity plant plastic mulches plots potassium production protein Research root Rossiya samples Schnitzer seeds species Table temperature treatments UNIVERSITY OF CALIFORNIA/SANTA vegetable vermicompost wastes water extracts weed harrowing Zucconi