本文關(guān)鍵詞：生物炭基肥料對小麥生長、養(yǎng)分吸收及土壤肥力的影響，由筆耕文化傳播整理發(fā)布。

生物炭基肥料對小麥生長、養(yǎng)分吸收及土壤肥力的影響

Effects of biochar-based fertilizer on soil fertility,wheat growth and nutrient absorption

[1] [2] [3] [4] [5]

KANG Ri-feng , ZHANG Nai-ming , SHI Jing , BAO Li , ZHANG Chuan-guang （ 1. College of Resources and Environ- ment, Yunnan Agricultural University, Kunming Yunnan 650201; 2.

[1]云南農(nóng)業(yè)大學(xué)資源與環(huán)境學(xué)院,云南昆明650201; [2]云南省林業(yè)科學(xué)院,云南昆明650201

文章摘要：生物炭基肥料的研制是生物炭在農(nóng)業(yè)應(yīng)用中的重要方向。通過溫室盆栽試驗(yàn),研究了添加不同數(shù)量生物炭制作的肥料施入土壤中對小麥生長發(fā)育及土壤肥力的影響。結(jié)果表明,（1）小麥生育期內(nèi),施用生物炭占輔料75%及以上的處理（NPB3、NPB4）較對照處理均顯著提高小麥地上部干重、地下部干重、總干重,其中輔料100%為生物炭（NPB4）的處理均達(dá)到顯著水平,但各處理對小麥千粒重沒有顯著影響;（2）生物炭基肥料顯著提高了小麥對N、P的吸收,提高幅度順序?yàn)镹PB4〉NPB3〉NPB2〉NPB1〉CK,其中小麥N吸收平均提高了19.07%,P吸收平均提高了15.00%;（3）土壤中有機(jī)質(zhì)含量表現(xiàn)為NPB4〉NPB3〉NPB2〉NPB1〉CK,且與生物炭添加量呈顯著正相關(guān)（p〈0.05）;（4）土壤堿解氮和有效磷含量大多呈先降低后升高的趨勢,表明生物炭基肥料可持續(xù)供給小麥在生長后期對土壤中養(yǎng)分的需求。

Abstr：The development of biochar-based fertilizer is an important research area of biochar applications in agriculture. A pot trial in greenhouse was adopted to study the effects of the fertilizer containing different quantities of biochar on wheat growth and soil fertility. It was shown that （ 1 ） In wheat growth periods, the application of biochar-based fertilizers which the biochar content were more than 70% fertilizer accessories significantly increased the shoot dry weight, the root dry weight and＇ the total dry weight of wheat, especially in the 100% content biochar treatment NPB4. However, the application of biochar-based fer- tilizer had no significant effect on the 1 000-grain weight of wheat. （2） The biochar-based fertilizer significantly improved the absorption of nitrogen （ N）, phosphorus （P） in wheat by an average of 19.07% and 15% respectively, in the order of NPB4 〉 NPB3 〉 NPB2 〉 NPB1 〉 CK. （3） The order of the content of soil organic matter was NPB4 〉 NPB3 〉 NPB2 〉 NPB1 〉 CK, which had a significant positive correlation with the added amounts of biochar （p 〈0. 05）. （4） The contents of soil available N and available P mostly went down at first and then increased again, which indicated that the biochar-based fertilizer could continuously supply nutrients to wheat in the late stages of wheat growth.

文章關(guān)鍵詞：

Keyword：:biochar-based fertilizer wheat nitrogen phosphorus

課題項(xiàng)目：國家重大水專項(xiàng)（2012ZX7102-003）; 云南省社會(huì)發(fā)展科技計(jì)劃項(xiàng)目（2010CA010）

  本文關(guān)鍵詞：生物炭基肥料對小麥生長、養(yǎng)分吸收及土壤肥力的影響，由筆耕文化傳播整理發(fā)布。