[湖北荊門]一般配置雞糞有機肥整套設備都有那些零碎的機械設備？李經理(li)156-4902-8728

因此，要充分發揮有機肥的作用，就需(xu)要(yao)和化肥(fei)(fei)(fei)(fei)配(pei)施(shi)。但因有(you)(you)機肥(fei)(fei)(fei)(fei)的養分與(yu)作物需(xu)要(yao)不平衡(heng)，因此有(you)(you)機肥(fei)(fei)(fei)(fei)并非和所(suo)有(you)(you)化肥(fei)(fei)(fei)(fei)都能配(pei)施(shi)。在(zai)實(shi)際(ji)生產中，有(you)(you)機肥(fei)(fei)(fei)(fei)與(yu)氮(dan)(dan)肥(fei)(fei)(fei)(fei)可(ke)同時施(shi)用，以(yi)補充其(qi)氮(dan)(dan)素不足，但不宜與(yu)磷(lin)肥(fei)(fei)(fei)(fei)配(pei)施(shi)，以(yi)免有(you)(you)機肥(fei)(fei)(fei)(fei)本身(shen)含有(you)(you)的豐富磷(lin)素反而降低磷(lin)肥(fei)(fei)(fei)(fei)效(xiao)果(guo)。這是(shi)經過(guo)幾十年試驗和實(shi)踐得出(chu)的一項(xiang)研(yan)究結(jie)果(guo)。

研究結果表明：在5個2～3年內沒有(you)施(shi)(shi)用過有(you)機(ji)(ji)(ji)(ji)(ji)肥(fei)的田(tian)塊(kuai)進(jin)行試驗，每(mei)(mei)公傾分(fen)別(bie)施(shi)(shi)用75噸(dun)(dun)有(you)機(ji)(ji)(ji)(ji)(ji)肥(fei)和不(bu)施(shi)(shi)有(you)機(ji)(ji)(ji)(ji)(ji)肥(fei)的基礎上(shang)分(fen)別(bie)施(shi)(shi)用 0、75千(qian)(qian)(qian)(qian)克(ke)(ke)(ke)(ke)、150千(qian)(qian)(qian)(qian)克(ke)(ke)(ke)(ke)、225千(qian)(qian)(qian)(qian)克(ke)(ke)(ke)(ke)、300千(qian)(qian)(qian)(qian)克(ke)(ke)(ke)(ke)尿(niao)素(su)，結果表明不(bu)施(shi)(shi)有(you)機(ji)(ji)(ji)(ji)(ji)肥(fei)時(shi)氮肥(fei)效(xiao)果甚低(di)，每(mei)(mei)千(qian)(qian)(qian)(qian)克(ke)(ke)(ke)(ke)尿(niao)素(su)僅(jin)增(zeng)產(chan)(chan)0.5～2千(qian)(qian)(qian)(qian)克(ke)(ke)(ke)(ke)小(xiao)麥；而施(shi)(shi)用有(you)機(ji)(ji)(ji)(ji)(ji)肥(fei)后(hou)，每(mei)(mei)千(qian)(qian)(qian)(qian)克(ke)(ke)(ke)(ke)尿(niao)素(su)平均(jun)增(zeng)產(chan)(chan)小(xiao)麥5千(qian)(qian)(qian)(qian)克(ke)(ke)(ke)(ke)以上(shang)，最高達10千(qian)(qian)(qian)(qian)克(ke)(ke)(ke)(ke)。在另外一(yi)個田(tian)塊(kuai)上(shang)進(jin)行的試驗證明，不(bu)施(shi)(shi)氮肥(fei)，每(mei)(mei)噸(dun)(dun)有(you)機(ji)(ji)(ji)(ji)(ji)肥(fei)增(zeng)產(chan)(chan)小(xiao)麥10.4千(qian)(qian)(qian)(qian)克(ke)(ke)(ke)(ke)，配施(shi)(shi)氮肥(fei)后(hou)每(mei)(mei)噸(dun)(dun)有(you)機(ji)(ji)(ji)(ji)(ji)肥(fei)增(zeng)產(chan)(chan) 12.5千(qian)(qian)(qian)(qian)克(ke)(ke)(ke)(ke)。

有機肥配(pei)磷肥，千萬要(yao)當心

但有(you)(you)機(ji)(ji)肥和磷(lin)(lin)(lin)肥配施(shi)(shi)(shi)卻得到(dao)另(ling)一種(zhong)結(jie)果(guo)。在(zai)(zai)一個(ge)缺(que)磷(lin)(lin)(lin)、施(shi)(shi)(shi)用(yong)磷(lin)(lin)(lin)肥有(you)(you)效(xiao)果(guo)的(de)田塊進(jin)行(xing)試驗(yan)，分(fen)(fen)別設不(bu)施(shi)(shi)(shi)有(you)(you)機(ji)(ji)肥、每公頃施(shi)(shi)(shi)37.5噸(dun)(dun)(dun)和75噸(dun)(dun)(dun)有(you)(you)機(ji)(ji)肥三個(ge)等級，每一個(ge)有(you)(you)機(ji)(ji)肥等級內又(you)分(fen)(fen)施(shi)(shi)(shi)300千(qian)(qian)(qian)(qian)克和600千(qian)(qian)(qian)(qian)克過(guo)磷(lin)(lin)(lin)酸(suan)(suan)鈣（含P2O5約10％）。結(jie)果(guo)證明(ming)，在(zai)(zai)施(shi)(shi)(shi)300千(qian)(qian)(qian)(qian)克過(guo)磷(lin)(lin)(lin)酸(suan)(suan)鈣情況下，不(bu)施(shi)(shi)(shi)有(you)(you)機(ji)(ji)肥，每千(qian)(qian)(qian)(qian)克過(guo)磷(lin)(lin)(lin)酸(suan)(suan)鈣增(zeng)產小麥(mai)4.2千(qian)(qian)(qian)(qian)克；施(shi)(shi)(shi)37.5噸(dun)(dun)(dun)和75噸(dun)(dun)(dun)有(you)(you)機(ji)(ji)肥后，每千(qian)(qian)(qian)(qian)克過(guo)磷(lin)(lin)(lin)酸(suan)(suan)鈣增(zeng)產效(xiao)果(guo)分(fen)(fen)別降到(dao)2.3千(qian)(qian)(qian)(qian)克和1.64千(qian)(qian)(qian)(qian)克。在(zai)(zai)施(shi)(shi)(shi)600千(qian)(qian)(qian)(qian)克過(guo)磷(lin)(lin)(lin)酸(suan)(suan)鈣情況下，不(bu)施(shi)(shi)(shi)有(you)(you)機(ji)(ji)肥，每千(qian)(qian)(qian)(qian)克過(guo)磷(lin)(lin)(lin)酸(suan)(suan)鈣增(zeng)產小麥(mai)1.77千(qian)(qian)(qian)(qian)克,施(shi)(shi)(shi)了(le)37.5噸(dun)(dun)(dun)和75噸(dun)(dun)(dun)有(you)(you)機(ji)(ji)肥后，增(zeng)產效(xiao)果(guo)分(fen)(fen)別降到(dao)1.09千(qian)(qian)(qian)(qian)克和0.66千(qian)(qian)(qian)(qian)克。

專家提醒，施有機(ji)肥(fei)(fei)后(hou)(hou)再施氮肥(fei)(fei)，作物可(ke)(ke)大(da)(da)幅(fu)增(zeng)產；若施有機(ji)肥(fei)(fei)后(hou)(hou)再施磷(lin)肥(fei)(fei)，增(zeng)產效果則大(da)(da)幅(fu)下降，而且有機(ji)肥(fei)(fei)用量愈高，降幅(fu)愈大(da)(da)。以(yi)上情況(kuang)不但在試驗(yan)中(zhong)(zhong)得到證明，在多(duo)次生產實踐中(zhong)(zhong)也得到證實。因此(ci)，有機(ji)肥(fei)(fei)和氮肥(fei)(fei)可(ke)(ke)以(yi)配施，但要和磷(lin)肥(fei)(fei)分(fen)開施。

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