QUANG HỢP VÀ NĂNG SUẤT CÂY TRỒNG

5/27/2018 QUANG H P V N NG SU T CY TR NG

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Bin son: C gio NGUYN THTHY Trng THPT Nguyn Bnh Khim klk

GIO N: SINH HC 11 NNG CAO Email: nguyenthithuynbk@gmail.com

hoc nguyenthithuysinhhoc@gmail.comT: 050.519354 D: 0982.792.789

TIT 9: QUANG HP V NNG SUT CY TRNG

I. MC TIUQua bi ny hc sinh phi:

-Mc tiu vkin thc: Chng minh quang hp l QT quyt nh nng sut cy trng.

Gii thch cc bin php khoa hc-kthut nhm nng cao nng sut cy trng.-Mc tiu vknng: Rn luyn tduy hthng, phn tch, quan st. Rn luyn phng php hc tp. Vn dng l thuyt vo thc tin sn xut.

-Mc tiu vthi : Hng ng tch cc, hng say pht biu xy dng bi. ng dng cc bin php khoa hc-kthut vo sn xut.

II. TRNG TM CA BIo Quang hp quyt nh nng sut cy trng.o Cc bin php nng cao nng sut cy trng.

III. PHNG PHP GING DY V DNG DY HC Phng php: ging gii, tho lun nhm v hi p. dng dy hc: phn, bng, tranh, phiu hc tp.

- Tranh:

IV. TIN TRNH CA BI GING1.n nh lp 1-2 pht:2.Kin tra bi c: Trnh by pha sng ca quang hp? Pha ti thc vt C3, C4v CAM?3.Ging bi mi :Mbi:

Ni dung Hot ng ca GV-HSI.Quang hp quyt nh nng sut cy trng

QH quyt nh 90-95% nng sut cytrng.

II.Cc bin php nng cao nng sut cytrng thng qua quang hp

Nkt=(FCO2*L*Kf*Kkt)n (tn/ha)-Nkt: nng sut kinh t(tn/ha)-FCO2: khnng quang hp-L: din tch quang hp-Kf: hshiu ququang hp-Kkt: hskinh t-n: thi gian hot ng bmy quang hp Cc bin php nng cao nng sut cy

trng:-Tng cng v hiu sut quang hp bngcch chn ging, lai to ging-iu khin ssinh trng ca din tch l nh

bn phn, ti nc-Nng cao hiu ququang hp v hskinh t

bng chn ging v cc bin php khc

(?)Tho lun nhm: Trng trt l ngnh kinh doanh

ng lng nh sng mt tri?(?)V sao quang hp l QT cbn quyt nh nngsut cy trng?(?)Nu cng thc vmi quan hgia bmy QH vng sut cy trng?

(?)Nng sut cy trng phthuc vo yu tno?(?)Nu cc bin php nng cao nng sut cy trng?

5/27/2018 QUANG H P V N NG SU T CY TR NG

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Bin son: C gio NGUYN THTHY Trng THPT Nguyn Bnh Khim klk

GIO N: SINH HC 11 NNG CAO Email: nguyenthithuynbk@gmail.com

hoc nguyenthithuysinhhoc@gmail.comT: 050.519354 D: 0982.792.789

Ni dung-Thi gian Hot ng ca GV-HS-Chn ging cy trng c thi gian sinh trngva phiIII.Trin vng nng sut cy trng To ra cc qun thcy trng cho nng sut

cao, p ng 3 K:-Thnh phn cu to-Cu trc ca h-Hot ng ca h Hssdng nh sng l thuyt: ts%

gia snng lng tch ly trong sn phmQH v snng lng sdng cho QH.

Hssdng nng lng nh sng thctin: ts% gia snng lng tch lytrong sinh khi QH v snng lng sdng cho QH ca qun th.

(?)To qun thcy trng c nng sut QH cao png nhng yu cu no?

(?)Thno l hssdng nh sng l thuyt?ng lng nh sng thc tin?

V. CNG C V sao ni quang hp quyt nh nng sut cy trng? Nu biu thc mi quan hgia bmy quang hp v nng sut cy trng? V sao ni tim nng nng sut cy trng cn rt ln?

Trong tng lai, bng cc phng php lai to ging mi, shon thin cc bin php kthut vic nng cao nng sut cy trng c trin vng ln.

5/27/2018 QUANG H P V N NG SU T CY TR NG

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