论文部分内容阅读
为探讨油占8号的最佳施肥量,进行本试验。结果表明:在一定范围内,N、P、K的增加对油占8号的产量有正效应,对其影响的敏感性为N>K>P,当超过一定水平,N、P、K对其产量有负效应,这种影响表现为N>P>K。N、P、K配施的比例由土壤养分供应量决定,对本地区的土壤建议施用量分别为N200kg/hm2、P2O5100kg/hm2、K2O190kg/hm2。
In order to explore the best amount of oil on the 8th fertilizer, the test. The results showed that within a certain range, the increase of N, P and K had a positive effect on the yield of oil No.8, and the sensitivity to the effect was N> K> P. When a certain level was exceeded, N, P and K The output has a negative effect, this effect is expressed as N> P> K. The proportion of N, P and K applied is determined by the nutrient supply of soil, and the recommended application rates for the soil in this area are N200kg / hm2, P2O5100kg / hm2 and K2O190kg / hm2, respectively.