【摘要】 报道了在柑桔园套种黄豆的播种期、株行距、穴保留株数及施肥技术。试验结果表明种黄豆可明显地改善果园小气候,改良土壤肥力和水热状况,有利于幼树的生长发育和产量的提高。更多还原

【Abstract】 The experiments, made in Jianao, Fujian, under-sowing soy-bean in the young growth of king orange, showed that the best undersowing thchniques are sowing time about July 6. between rowplant distance 50cm X 50cm, 3 plants per pit. Taking calcium magnesium phosphate 225kg/hm2 as bast fertilizer had a remarkable in crease in yield; taking urea 37. 5 kg/hm2 as top dressing had a 40% increase in yield. Undersowing soybean in the young growth of king orange could improve microclimate and soil conditions, accelerate tree growth. Annual height increment of king orange tree reached 29% per cent, annual yield increment of king orange reached 28 % after invested production.更多还原