不同施肥水平对麻疯树生长及产量的影响

Effects of Different Fertilizing Level on Growth and Yield of Jatropha curcas

为建立麻疯树施肥技术体系提供理论依据,研究了不同施肥处理条件下麻疯树的生长及结实情况。结果表明:麻疯树的新梢生长量随施肥量的增加而增加,果枝率则随施肥量的增加先增加后降低。当施肥量为100 g/株时果枝率最高,达30.8%;当施肥水平处于50～200 g/株时,施肥量对麻疯树单株种子产量影响较大;施肥水平为100 g/株时,单株产量最高,达201.7 g/株,比对照增加239.6%;麻疯树种仁含油率、果实与种子质量比均与施肥水平无关。

The results from studying the effects of different fertilizing level on growth and yield of Jatropha curcas showed that the new shoot increment increased with increase of fertilizing amount,the fruiting branch rate first increased and then declined with the theincrease of fertilizing amount,the fruiting branch rate reached the highest（30.8%） when the fertilizing amount was 100g/plant,the fertilizing amount had the great effect on seed yield per plant when the fertilizing amount was 50 to 200g/plant and the seed yield per plant under 100g/plant fertilizing amount was up to 201.7g,239.6% higher than CK.The kernel oil content and fruit-seed weight ratio are unconcerned with fertilizing amount.