有机物料等氮量施用对紫色土氮形态及温室气体排放的影响
黄容,高明,黎嘉成,徐国鑫,王富华,李娇,陈仕奇

Effects of Combined Application of Various Organic Materials and Chemical Fertilizer on Soil Nitrogen Formation and Greenhouse Gas Emission Under Equal Nitrogen Rates from Purple Soil
Rong HUANG,Ming GAO,JiaCheng LI,GuoXin XU,FuHua WANG,Jiao LI,ShiQi CHEN
表1 种植及施肥情况
Table 1 Planting and fertilization
蔬菜
Vegetable
常规需氮(N)量
Conventional nitrogen requirement
(kg·hm-2)
常规需磷(P2O5)量
Conventional phosphate requirement (kg·hm-2)
常规需钾(K2O)量
Conventional potassium requirement
(kg·hm-2)
种植及施肥情况
Planting and fertilization
莴笋
Lettuce
300 90 150 2016年10月20日施入有机物料并翻耕,10月27日移栽莴笋苗,10月30日施基肥(氮肥60%,磷肥和钾肥一次性施入),12月9日追肥(氮肥40%),2017年1月9日收获莴笋
Organic material was incorporated into soil and plowed on 20 October 2016. The lettuce was transplanted on 27 October 2016. A total of P and K fertilizers were applied as basis along with 60% of N fertilizer on 30 October 2016, and 40% of N fertilizer was applied on 9 December 2016. The lettuce was harvested on 9 January 2017
卷心菜
Cabbage
300 70 300 2017年1月10日施基肥(氮肥40%,钾肥40%,磷肥一次性施入),1月11日移栽卷心菜苗,2月21日第一次追肥(氮肥30%,钾肥30%),3月27日第二次追肥(氮肥30%,钾肥30%),5月4日收获卷心菜
A total of P fertilizer, 40% of N fertilizer and 40% of K fertilizer was applied as basis on 10 January 2017. The cabbage was transplanted on 1 January 2017. The remaining N and K fertilizers were split into two parts of the same amount and top-dressed on 21 February and 27 March 2017, respectively. The cabbage was harvested on 4 May 2017
辣椒
Chili
300 80 150 2017年5月5日施入有机物料并翻耕,5月10日施基肥(氮肥50%,钾肥50%,磷肥一次性施入),5月11日移栽辣椒苗,6月19日追肥(氮肥50%,钾肥50%),7月20日、8月18日、9月14日收获辣椒
Organic material was incorporated into soil and plowed on 5 May 2017. A total of P fertilizer, 50% of N fertilizer and 50% of K fertilizer was applied as basis on 10 May 2017. The chili was transplanted on 11 May 2017. The remaining of N and K fertilizers were applied on 19 June 2017. The chili was harvested on 20 July, 18 August and 14 September 2017, respectively