摘要
通过大区田间精准施肥试验,在黑龙江省海林农场,以玉米为供试作物,探析有机肥与无机肥不同配比对玉米氮吸收分配及产量的影响。试验为等氮磷钾实验,共设置100%有机肥N+PK肥(C1)、30%有机肥N—70%无机肥N+PK肥(C2)、20%有机肥N—80%无机肥N+PK肥(C3)、100%无机肥N+PK肥(C4)和不施肥(CK)5个处理。结果表明:玉米氮含量是叶片>茎>鞘;在拔节期叶片氮含量处理C4最高,其他生育时期,处理C2、C3要高于其他处理;成熟期籽粒氮含量,C3>C2>C4>C1>CK,C2和C3处理与其他处理间均达到了5%显著差异水平,但C2、C3处理间未达到5%差异显著水平;成熟期C2和C3处理籽粒氮积累量占比分别达到77.98%、78.07%,均高于其它处理;玉米产量C3>C2>C4>C1>CK,处理C2和C3与其他处理间达到显著差异水平,但处理C2和处理C3并未达到5%显著差异水平。
ased on precision fertilization test of field, analyzing the effect of the ratio of organic fertilizer and inorganic fertilizer on nitrogen absorption, distribution and yield of maize , on the farm in Hailin , Heilongjiang province. This test was for equal NPK fertilizer experiments, such as setting 100% organic fertilizer N ＋ PK fertilizer （C1）, or- ganic fertilizer N - 30% and 70% Inorganic fertilizer N ＋ PK fertilizer （C2）, organic fertilizer N - 20% and 80%0 inorganic fertilizer N ＋ PK fertilizer （C3） and 100% inorganic fertilizer N ＋ PK fertilizer （C4） and no fertilizer （CK）, five processing. The results showed that： Nitrogen content was leaf 〉 stem 〉 sheath; Leaf nitrogen con- tent of C4was highest in jointing stage of processing, other growth periods, C2 and C3 is higher than other treat- ments; In mature nitrogen content of grain was C3 〉 C2〉 C4 〉C1 〉 CK, C2 ,C3 and other treatments were reached 5% significant differences, but between C2 and C3 have not reached 5 ~ significant differences; the ratio of grain nitrogen accumulation of C2 and C3 at mature stage were 77. 98%, 78.07%, were higher than other treat- ments; Maize yield was C3 〉 C2 〉 C4 〉C1 〉 CK, C2 , C3 and other treatments were reached 5% significant differences , but between C2 and C3 have not reached 5% significant differences.
出处
《中国林副特产》
2016年第5期14-16,共3页
Forest By-product and Speciality in China
关键词
玉米
有机无机配施
氮含量
氮积累
产量
Maize
Inorganic fertilizer combined with organic fertilizer
Nitrogen content
Nitrogen accumulation
Yield
