本文選題：鹽漬化耕地 + 棉花　； 參考：《中國土壤與肥料》2017年02期

【摘要】：通過田間試驗,研究不同有機肥對鹽漬化耕地棉花干物質積累與養(yǎng)分吸收的影響。結果表明:增施有機肥可使棉花干物質的積累和養(yǎng)分吸收及產量有不同程度的提高,雞糞表現(xiàn)的更為明顯;苗期時,棉花干物質和氮磷鉀積累量分別較對照高出161.8%、171.4%、116.3%和187.1%,花鈴期干物質及氮磷鉀積累量分別較對照高出118.9%、105.6%、57.14%和98.21%,吐絮期分別較對照高了34.3%、21.9%、60.0%和10.8%;產量較CK提高了6.4%。在有機肥對土壤電導率抑制作用方面,雞糞在棉花各生育期表現(xiàn)較優(yōu)。棉花干物質及氮磷鉀積累分配規(guī)律為苗期和花鈴期主要在葉中積累,吐絮期主要在鈴中積累。
[Abstract]:The effects of different organic fertilizers on dry matter accumulation and nutrient absorption of cotton in salinized cultivated land were studied through field experiments. The results showed that the dry matter accumulation, nutrient absorption and yield of cotton could be increased in different degree by adding organic fertilizer, and chicken manure was more obvious at seedling stage. The accumulation of dry matter and nitrogen, phosphorus and potassium in cotton were 161.81.71% and 187.1% higher than that of the control, respectively. The accumulation of dry matter and nitrogen, phosphorus and potassium in flowering boll stage was higher than that in the control group by 118.95.67.14% and 98.21%, respectively. In the aspect of inhibition of soil electrical conductivity by organic fertilizer, chicken manure was better in cotton growth period. The accumulation and distribution of dry matter, nitrogen, phosphorus and potassium in cotton were mainly accumulated in leaves at seedling stage and flowering and boll stage, and mainly in boll at spitting stage.
【作者單位】： 新疆農業(yè)大學草業(yè)與環(huán)境科學學院;
【基金】：新疆自治區(qū)“十二五”重大專項“鹽漬化低產田生產力提升關鍵技術研發(fā)與示范”課題(201130106-2) 國家自然科學基金(31260499) 新疆自治區(qū)土壤學重點學科資助項目
【分類號】：S141;S562

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