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SKRIPSI PENGARUH DOSIS TSP DAN BEBERAPA INTENSIVITAS PENGOLAHAN TANAH TERHADAP HASIL TANAMAN KACANG TANAH (Arachis hypogaea, L) VARIETAS GAJAH
ABSTRACT
The experiment was to aim is to know the effect TSP do-sage and cultivation of soil on yield of groundut (Arachis hypogaea, L) Gajah variety. Had been carried out from out Mei 22th 1990 until 30th August 1990, at Kedungsari village, Nort Magelang district, Magelang regency, with pH 6, on an altitude of 380 from sea level.
The experiment used the Split Plot Design (SPD) with Randomized Completely Block Design (RCBD) the consist 2 treatment factor with 3 time of replication were:
1. Factor intencivity cultivation of soil (P), factors as mainplot, it consist of 3 level:
P1 : Without soil Cultivation
P2: Once soil Cultivation
P3: Twice soil cultivation
2. Factor of TSP dosage (D), factors as sub plot, it consist of 4 level:
Do: 0 kg TSP/ha
D₁ 50 kg TSP/ha
D2: 75 kg TSP/ha
D3: 100 kg TSP/ha
From the result of experiment be concluded of follows:
1. Intencivity cultivation of soil was very significant to decrease the number of unfilled pods, and signi- ficant to increase on fresh weight of straws.
2. Dosage of TSP was very significant to increase on flowered age, to increase on number of mature pods and was significant to decrease on number of unfilled pods
3. Interaction between intencivity cultivation of soil and TSP dosage non significant about all parameters.
4. Hightes yield obtained by treatment combination of twice soil cultivation and dosage TSP 75 kg/ha with weight of dry mature pods (32,464 g/plant) and weight of dry seeds (23,930 g/plant). Lowest yield obtained by treatment combination of without soil cultivation and dosage TSP 0 kg/ha with weight of dry mature pods (22,916 g/plant) and weight of dry seeds (17,856 g/plant).
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